The following table describes the total numbers of personnel employed for each of the major library technology companies as reported for the annual library systems report.
| LibraryName | Population | CollectionSize | 2012 Expenditures | 2010 Expenditures | Diff | Current ILS | Install Date | view | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Buffalo and Erie County Public Library | 10,146,458 | 20,182,189 | $ | Symphony | 2004 | profile | |||
| 2 | Fort Worth - MetrOPAC Libraries | 5,494,350 | 7,438,824 | $ | Polaris | 2014 | profile | |||
| 3 | Limitless Libraries | 4,678,429 | 18,487,775 | $ | Carl.X | 2016 | profile | |||
| 4 | Johnson County Library and Olathe Public Library Unified Catalog | 4,037,904 | 7,127,010 | $ | Symphony | 2003 | profile | |||
| 5 | Los Angeles Public Library | 3,825,297 | 6,301,338 | $95,784,178 | $134,630,543 | -28.9% | Carl.X | 2009 | profile | |
| 6 | New York Public Library | 3,439,711 | 20,889,337 | $228,659,277 | $231,206,520 | -1.1% | Sierra | 2014 | profile | |
| 7 | County of Los Angeles Public Library | 3,344,311 | 5,367,967 | $113,222,151 | $109,716,555 | +3.2% | Symphony | 2006 | profile | |
| 8 | Toronto Public Library | 2,791,140 | 10,782,302 | $181,122,296 | $183,598,412 | -1.3% | Symphony | 2007 | profile | |
| 9 | Chicago Public Library | 2,695,598 | 5,332,187 | $91,616,779 | $104,671,418 | -12.5% | Polaris | 2016 | profile | |
| 10 | Brooklyn Public Library | 2,636,735 | 3,995,892 | $99,912,119 | $101,992,063 | -2.0% | Sierra | 2013 | profile | |
| 11 | Miami-Dade Public Library System | 2,496,435 | 3,294,232 | $51,138,510 | $80,088,482 | -36.1% | Polaris | 2009 | profile | |
| 12 | Queens Borough Public Library | 2,230,722 | 4,481,261 | $97,328,071 | $101,803,226 | -4.4% | Virtua | 2008 | profile | |
| 13 | Houston Public Library | 2,145,146 | 2,682,526 | $31,925,791 | $36,573,205 | -12.7% | Symphony | 2013 | profile | |
| 14 | Harris County Public Library | 1,955,436 | 2,615,616 | $22,927,152 | $26,200,187 | -12.5% | Symphony | 2015 | profile | |
| 15 | Broward County Library | 1,771,099 | 2,764,321 | $57,618,701 | $62,615,032 | -8.0% | Symphony | 2020 | profile | |
| 16 | San Antonio Public Library | 1,626,092 | 1,874,298 | $32,321,203 | $28,645,939 | +12.8% | Symphony | 2019 | profile | |
| 17 | Free Library of Philadelphia | 1,526,006 | 2,811,962 | $71,138,674 | $74,607,376 | -4.6% | Symphony | 2004 | profile | |
| 18 | Phoenix Public Library | 1,464,727 | 1,403,891 | $33,369,468 | $33,306,207 | +0.2% | Polaris | 2007 | profile | |
| 19 | Las Vegas-Clark County Library District | 1,463,675 | 2,222,341 | $47,869,467 | $49,677,991 | -3.6% | Sierra | 2015 | profile | |
| 20 | Sacramento Public Library | 1,396,003 | 1,433,699 | $31,397,782 | $37,625,904 | -16.6% | Sierra | 2011 | profile | |
| 21 | San Diego Public Library | 1,394,928 | 5,283,183 | $33,482,907 | $38,325,909 | -12.6% | Polaris | 2019 | profile | |
| 22 | King County Library System | 1,362,870 | 3,623,876 | $95,422,046 | $92,506,181 | +3.2% | Evergreen -- Catalyst | 2014 | profile | |
| 23 | Tampa-Hillsborough County Public Library | 1,310,214 | 1,628,936 | $33,154,733 | $38,101,976 | -13.0% | Polaris | 2012 | profile | |
| 24 | Dallas Public Library | 1,223,229 | 4,131,672 | $17,888,643 | $22,535,644 | -20.6% | Polaris | 2007 | profile | |
| 25 | Hennepin County Public Library | 1,163,060 | 4,274,219 | $66,648,547 | $71,916,798 | -7.3% | Horizon | 2005 | profile | |
| 26 | Orange County Library System | 1,132,302 | 1,239,486 | $31,276,405 | $34,859,948 | -10.3% | OCLC Wise | 2019 | profile | |
| 27 | Calgary Public Library | 1,120,225 | 2,205,985 | $49,506,108 | $51,682,177 | -4.2% | Symphony | 2009 | profile | |
| 28 | Atlanta-Fulton Public Library | 1,071,635 | 2,365,978 | $33,155,301 | $32,620,891 | +1.6% | Symphony | 2003 | profile | |
| 29 | Montgomery County Public Libraries | 1,050,688 | 10,400,000 | $28,093,141 | $35,225,910 | -20.2% | Koha -- ByWater Solutions | 2021 | profile | |
| 30 | San Diego County Library | 1,048,860 | 1,472,951 | $32,247,312 | $38,063,038 | -15.3% | Polaris | 2020 | profile | |
| 31 | Edmonton Public Library | 1,000,000 | 1,500,000 | $43,493,726 | Symphony | 2002 | profile | |||
| 32 | Joel D Valdez Main Library | 996,554 | 1,204,535 | $31,364,185 | $30,641,040 | +2.4% | Sierra | 2016 | profile | |
| 33 | San Jose Public Library | 971,372 | 1,671,929 | $30,435,563 | $36,825,525 | -17.4% | Sierra | 2013 | profile | |
| 34 | Contra Costa County Public Library | 960,230 | 1,318,937 | $23,506,877 | $23,758,953 | -1.1% | Carl.X | 2010 | profile | |
| 35 | Charlotte Mecklenburg Library | 940,697 | 946,694 | $27,529,217 | $32,559,469 | -15.4% | Horizon | 2005 | profile | |
| 36 | Ottawa Public Library | 935,073 | 2,331,407 | $46,848,249 | $48,902,118 | -4.2% | Symphony | 2009 | profile | |
| 37 | Wake County Public Libraries | 925,938 | 1,449,940 | $19,319,006 | $17,764,589 | +8.8% | Horizon | 2001 | profile | |
| 38 | Fresno County Public Library | 919,379 | 2,252,180 | $24,387,317 | $25,339,897 | -3.8% | Horizon | 2003 | profile | |
| 39 | Buffalo and Erie County Public Library | 919,040 | 1,939,369 | $24,941,272 | $26,745,005 | -6.7% | Symphony | 2004 | profile | |
| 40 | Prince George's County Memorial Library System | 909,327 | 1,279,449 | $25,680,710 | $26,633,653 | -3.6% | Polaris | 2008 | profile | |
| 41 | Palm Beach County Library System | 885,934 | 1,892,732 | $39,081,834 | $41,161,575 | -5.1% | Symphony | 2003 | profile | |
| 42 | Indianapolis Public Library System | 877,389 | 1,501,263 | $37,854,948 | $38,315,989 | -1.2% | Polaris | 2019 | profile | |
| 43 | Columbus Metropolitan Library | 872,641 | 1,483,433 | $56,065,780 | $43,595,207 | +28.6% | Polaris | 2012 | profile | |
| 44 | Jacksonville Public Library | 869,729 | 2,342,818 | $37,093,480 | $43,602,098 | -14.9% | Symphony | 2003 | profile | |
| 45 | San Francisco Public Library | 864,816 | 2,792,660 | $92,522,544 | $81,857,440 | +13.0% | Sierra | 2013 | profile | |
| 46 | Saint Louis County Library | 859,148 | 1,472,698 | $34,140,684 | $33,881,930 | +0.8% | Sierra | 2017 | profile | |
| 47 | Gwinnett County Public Library | 857,586 | 871,685 | $19,171,920 | $20,335,416 | -5.7% | OCLC Wise | 2019 | profile | |
| 48 | Kern County Library | 850,006 | 1,015,160 | $7,526,948 | $8,221,321 | -8.4% | Horizon | 2003 | profile | |
| 49 | Salt Lake County Library System | 840,208 | 2,155,318 | $33,026,788 | $29,997,558 | +10.1% | Polaris | 2013 | profile | |
| 50 | Memphis Public Library and Information Center | 829,736 | 1,586,433 | $16,323,394 | $16,885,555 | -3.3% | Symphony | 2005 | profile | |
| 51 | Public Library of Cincinnati and Hamilton County | 802,374 | 4,772,281 | $53,113,248 | $52,549,368 | +1.1% | Sierra | 2012 | profile | |
| 52 | Baltimore County Public Library | 789,814 | 1,433,343 | $43,527,190 | $44,325,547 | -1.8% | Polaris | 2009 | profile | |
| 53 | Multnomah County Library | 777,490 | 1,794,729 | $60,032,201 | $56,110,376 | +7.0% | Symphony | 2017 | profile | |
| 54 | Louisville Free Public Library - Main | 765,352 | 1,448,386 | $16,385,924 | $17,233,553 | -4.9% | Polaris | 2005 | profile | |
| 55 | Mid-Continent Consolidated Library District | 762,446 | 2,367,164 | $37,364,387 | $39,327,299 | -5.0% | Symphony | 2003 | profile | |
| 56 | Fort Worth Public Library | 758,738 | 823,243 | $19,319,938 | $20,525,928 | -5.9% | Polaris | 2014 | profile | |
| 57 | Cobb County Public Library | 754,460 | 928,028 | $ | Symphony | 2002 | profile | |||
| 58 | DeKalb County Public Library | 750,778 | 962,187 | $15,056,567 | $16,409,830 | -8.2% | Polaris | 2016 | profile | |
| 59 | Oklahoma City Metropolitan Library System | 718,633 | 1,071,623 | $33,117,370 | $25,556,493 | +29.6% | Carl.X | 2013 | profile | |
| 60 | Sno-Isle Libraries | 713,835 | 1,061,873 | $31,425,407 | $30,377,831 | +3.4% | Polaris | 2010 | profile | |
| 61 | Detroit Public Library | 713,777 | 6,870,782 | $35,872,247 | $45,467,456 | -21.1% | Symphony | 2004 | profile | |
| 62 | District of Columbia Public Library | 711,571 | 1,334,479 | $36,972,424 | $40,786,571 | -9.4% | Symphony | 1999 | profile | |
| 63 | Nashville Public Library | 668,347 | 2,546,825 | $23,370,889 | $21,094,280 | +10.8% | Carl.X | 2016 | profile | |
| 64 | El Paso Public Library | 665,568 | 495,703 | $8,698,038 | $7,868,653 | +10.5% | Symphony | 2012 | profile | |
| 65 | Albuquerque Bernalillo County Library System | 659,941 | 1,046,038 | $13,062,403 | $12,262,150 | +6.5% | Sierra | 2011 | profile | |
| 66 | Pikes Peak Library District | 650,185 | 1,127,019 | $22,632,019 | $24,179,013 | -6.4% | Symphony | 2001 | profile | |
| 67 | Lee County Library System | 638,029 | 1,729,400 | $23,156,774 | $24,870,975 | -6.9% | Polaris | 2008 | profile | |
| 68 | Enoch Pratt Free Library | 637,418 | 2,259,243 | $36,406,400 | $36,758,700 | -1.0% | Symphony | 1997 | profile | |
| 69 | Cesar Chavez Central Library | 632,925 | 739,752 | $9,625,443 | $11,341,179 | -15.1% | Symphony | 2003 | profile | |
| 70 | Tulsa City - County Library | 629,598 | 1,763,096 | $26,207,507 | $23,292,778 | +12.5% | Sierra | 2013 | profile | |
| 71 | Boston Public Library | 625,087 | 8,947,271 | $34,871,750 | $37,104,393 | -6.0% | Polaris | 2012 | profile | |
| 72 | Denver Public Library | 620,917 | 1,792,225 | $34,016,690 | $29,473,750 | +15.4% | Polaris | 2010 | profile | |
| 73 | Cuyahoga County Public Library | 616,527 | 1,756,053 | $59,270,143 | $58,556,714 | +1.2% | Sierra | 2011 | profile | |
| 74 | Seattle Public Library | 616,500 | 1,893,104 | $50,871,294 | $49,757,371 | +2.2% | Horizon | 2004 | profile | |
| 75 | Milwaukee Public Library - Central Library | 595,920 | 1,846,148 | $23,636,745 | $24,201,590 | -2.3% | Sierra | 2013 | profile | |
| 76 | Ocean County Library | 575,397 | 1,054,680 | $33,666,256 | $37,697,366 | -10.7% | Polaris | 2008 | profile | |
| 77 | Alameda County Library | 564,695 | 1,136,888 | $20,958,269 | $21,486,942 | -2.5% | Sierra | 2013 | profile | |
| 78 | Pierce County Library System | 555,185 | 1,075,500 | $26,686,075 | $27,173,349 | -1.8% | Polaris | 2004 | profile | |
| 79 | Jefferson County Public Library System | 540,023 | 980,539 | $23,863,600 | $24,900,000 | -4.2% | Sierra | 2011 | profile | |
| 80 | Anne Arundel County Public Library | 521,209 | 801,150 | $19,319,773 | $18,649,807 | +3.6% | Symphony | 2003 | profile | |
| 81 | Hamilton Public Library | 510,000 | 1,099,088 | $23,709,449 | Polaris | 2015 | profile | |||
| 82 | Long Beach Public Library | 464,662 | 768,511 | $12,552,619 | $13,384,665 | -6.2% | Sierra | 2011 | profile | |
| 83 | Omaha Public Library | 458,906 | 704,256 | $12,678,247 | $10,986,513 | +15.4% | Sierra | 2014 | profile | |
| 84 | Dayton Metro Library | 458,677 | 1,402,639 | $25,271,404 | $26,347,770 | -4.1% | Polaris | 2012 | profile | |
| 85 | Fort Vancouver Regional Libraries | 450,995 | 653,707 | $19,128,405 | $15,790,188 | +21.1% | Symphony | 2004 | profile | |
| 86 | Mesa Public Library | 444,856 | 438,816 | $6,524,275 | $6,549,076 | -0.4% | Polaris | 2009 | profile | |
| 87 | East Baton Rouge Parish Library | 444,526 | 1,624,554 | $28,248,150 | $27,038,585 | +4.5% | V-smart | 2009 | profile | |
| 88 | Toledo - Lucas County Public Library | 441,815 | 1,946,405 | $28,986,792 | $30,736,694 | -5.7% | Sierra | 2012 | profile | |
| 89 | Virginia Beach Public Library | 434,412 | 707,467 | $20,599,947 | $20,331,814 | +1.3% | Symphony | 2003 | profile | |
| 90 | Johnson County Library | 425,084 | 954,525 | $20,292,841 | $20,222,294 | +0.3% | Symphony | 2003 | profile | |
| 91 | Oakland Public Library | 416,348 | 1,073,677 | $22,255,343 | $20,261,207 | +9.8% | Sierra | 2013 | profile | |
| 92 | Santa Clara County Library District | 412,732 | 1,420,893 | $32,670,164 | $34,081,846 | -4.1% | Horizon | 2016 | profile | |
| 93 | Richland Library | 411,592 | 1,070,656 | $19,781,951 | $19,780,271 | +0.0% | Polaris | 2013 | profile | |
| 94 | Carnegie Library of Pittsburgh | 406,166 | 1,568,140 | $26,411,332 | $23,420,698 | +12.8% | Sierra | 2013 | profile | |
| 95 | Cleveland Public Library | 398,453 | 3,283,319 | $53,053,056 | $58,449,012 | -9.2% | Symphony | 2003 | profile | |
| 96 | Kent District Library | 397,093 | 865,193 | $15,088,890 | $15,612,889 | -3.4% | Symphony | 2014 | profile | |
| 97 | Pioneer Library System | 397,070 | 734,968 | $15,639,328 | $12,038,519 | +29.9% | Symphony | 2010 | profile | |
| 98 | Loudoun County Public Library | 396,068 | 693,133 | $11,246,638 | $11,116,031 | +1.2% | Carl.X | 2015 | profile | |
| 99 | Greensboro Library System | 395,174 | 511,858 | $7,904,579 | $7,628,729 | +3.6% | OCLC Wise | 2019 | profile | |
| 100 | Live Oak Public Libraries | 391,279 | 535,184 | $8,878,015 | $8,415,027 | +5.5% | Evergreen -- Independent | 2018 | profile | |
| 101 | Wichita Public Library | 384,445 | 621,795 | $7,882,871 | $7,902,380 | -0.2% | Polaris | 2008 | profile | |
| 102 | Akron-Summit County Public Library | 377,588 | 1,548,320 | $23,247,631 | $24,281,765 | -4.3% | Sierra | 2013 | profile | |
| 103 | New Orleans Public Library | 369,250 | 673,583 | $10,984,744 | $7,865,324 | +39.7% | Polaris | 2012 | profile | |
| 104 | Solano County Library | 360,023 | 534,219 | $14,506,913 | $17,176,874 | -15.5% | Carl.X | 2015 | profile | |
| 105 | Allen County Public Library | 355,329 | 2,996,595 | $22,087,234 | $21,518,974 | +2.6% | OCLC Wise | 2018 | profile | |
| 106 | Forsyth County Public Library | 351,790 | 658,250 | $7,959,263 | $7,991,110 | -0.4% | Evergreen -- MOBIUS | 2017 | profile | |
| 107 | Anythink Wright Farms | 345,562 | 310,149 | $12,963,386 | $11,911,334 | +8.8% | OCLC Wise | 2018 | profile | |
| 108 | Aurora Public Library | 344,637 | 289,547 | $4,100,392 | $3,492,858 | +17.4% | Sierra | 2016 | profile | |
| 109 | Tulare County Public Library | 335,106 | 311,209 | $2,120,248 | $3,298,259 | -35.7% | Horizon | 2003 | profile | |
| 110 | Camden County Library System | 327,303 | 440,190 | $9,479,955 | $8,456,498 | +12.1% | Koha -- ByWater Solutions | 2016 | profile | |
| 111 | Regina Central Library | 327,293 | 545,622 | $20,420,149 | Polaris | 2015 | profile | |||
| 112 | Howard County Library System | 323,196 | 1,102,437 | $21,619,592 | $18,376,269 | +17.6% | Polaris | 2010 | profile | |
| 113 | Durham County Library | 321,488 | 774,005 | $8,891,714 | $8,520,765 | +4.4% | Horizon | 2006 | profile | |
| 114 | Saint Louis Public Library | 319,294 | 2,759,642 | $19,650,477 | $20,209,669 | -2.8% | Symphony | 2010 | profile | |
| 115 | Chesterfield County Public Library | 318,000 | 787,077 | $6,941,576 | $8,181,809 | -15.2% | Symphony | 2020 | profile | |
| 116 | Lincoln City Libraries | 314,358 | 721,324 | $8,894,989 | $8,334,546 | +6.7% | Symphony | 2015 | profile | |
| 117 | Lexington Public Library | 301,569 | 464,005 | $11,343,633 | $12,737,727 | -10.9% | Library.Solution | 2004 | profile | |
| 118 | Anchorage Public Library | 298,842 | 509,906 | $10,352,573 | $11,484,279 | -9.9% | Symphony | 2004 | profile | |
| 119 | Saint Paul Public Library | 285,068 | 825,750 | $16,236,977 | $15,494,296 | +4.8% | Sierra | 2011 | profile | |
| 120 | LeRoy Collins Leon County Public Library | 277,670 | 608,504 | $6,141,185 | $6,612,109 | -7.1% | Symphony | 2003 | profile | |
| 121 | Newark Public Library | 277,140 | 1,645,248 | $11,872,939 | $13,700,492 | -13.3% | Sierra | 2017 | profile | |
| 122 | San Mateo County Library | 270,925 | 565,365 | $18,284,149 | $18,752,045 | -2.5% | Sierra | 2013 | profile | |
| 123 | Madison Public Library | 264,216 | 768,015 | $12,302,576 | $15,017,740 | -18.1% | Bibliovation | 2018 | profile | |
| 124 | Arapahoe Library District | 249,278 | 428,084 | $22,315,613 | $23,196,879 | -3.8% | Sierra | 2011 | profile | |
| 125 | Eastern Oklahoma Library System | 244,790 | 500,250 | $5,696,151 | $4,598,685 | +23.9% | Horizon | 2003 | profile | |
| 126 | San Luis Obispo City-County Library | 241,258 | 375,275 | $8,358,454 | $8,430,423 | -0.9% | Polaris | 2008 | profile | |
| 127 | Stark Library - Main Library | 240,131 | 673,064 | $12,351,929 | $11,650,291 | +6.0% | Sierra | 2011 | profile | |
| 128 | Public Library of Youngstown and Mahoning County | 238,823 | 722,183 | $11,931,187 | $10,850,207 | +10.0% | Sierra | 2013 | profile | |
| 129 | Chattahoochee Valley Libraries | 227,076 | 332,623 | $6,019,746 | $6,949,013 | -13.4% | Polaris | 2010 | profile | |
| 130 | Scottsdale Public Library System | 226,918 | 490,626 | $8,562,680 | $9,853,422 | -13.1% | Polaris | 2014 | profile | |
| 131 | Kansas City Public Library | 218,765 | 1,215,875 | $19,166,504 | $18,803,981 | +1.9% | Symphony | 2004 | profile | |
| 132 | Birmingham Public Library | 212,113 | 754,521 | $15,082,675 | $17,478,009 | -13.7% | Sierra | 2013 | profile | |
| 133 | Arlington County Public Library | 212,038 | 532,449 | $11,888,751 | $11,871,469 | +0.1% | Koha -- ByWater Solutions | 2019 | profile | |
| 134 | Des Moines Public Library | 211,073 | 494,233 | $8,366,133 | $7,480,332 | +11.8% | Horizon | 2004 | profile | |
| 135 | Central Library of Rochester and Monroe County | 210,565 | 945,950 | $14,652,403 | $14,600,670 | +0.4% | Carl.X | 2011 | profile | |
| 136 | Waco - McLennan County Library | 203,646 | 370,497 | $3,326,754 | $3,487,665 | -4.6% | Polaris | 2017 | profile | |
| 137 | Salt Lake City Public Library | 200,591 | 773,094 | $13,562,342 | $12,886,087 | +5.2% | Polaris | 2013 | profile | |
| 138 | Tacoma Public Library | 199,600 | 822,603 | $12,145,469 | $11,051,087 | +9.9% | Sierra | 2014 | profile | |
| 139 | Richmond Public Library | 198,102 | 493,924 | $6,049,200 | $5,874,453 | +3.0% | Symphony | 2003 | profile | |
| 140 | Tuscaloosa Public Library | 194,656 | 227,982 | $3,374,042 | $3,652,127 | -7.6% | Sierra | 2014 | profile | |
| 141 | Grand Rapids Public Library | 188,040 | 757,072 | $9,549,260 | $10,112,767 | -5.6% | Evergreen -- Independent | 2008 | profile | |
| 142 | Newport News Public Library | 182,591 | 277,427 | $5,547,271 | $5,699,593 | -2.7% | Library.Solution | 2020 | profile | |
| 143 | Worcester Public Library | 181,045 | 656,844 | $4,121,131 | $5,023,330 | -18.0% | Evergreen -- Independent | 2012 | profile | |
| 144 | Poudre River Public Library District | 180,112 | 336,937 | $8,004,497 | $7,419,408 | +7.9% | Sierra | 2016 | profile | |
| 145 | Evansville Vanderburgh Public Library | 179,703 | 756,489 | $11,669,177 | $10,521,922 | +10.9% | Sierra | 2013 | profile | |
| 146 | Topeka and Shawnee County Public Library | 178,831 | 610,249 | $17,168,119 | $15,728,991 | +9.1% | Polaris | 2011 | profile | |
| 147 | Providence Public Library | 178,042 | 956,557 | $3,535,132 | $4,444,154 | -20.5% | Sierra | 2013 | profile | |
| 148 | Chattanooga Public Library | 170,136 | 339,089 | $5,810,659 | $5,873,293 | -1.1% | Polaris | 2010 | profile | |
| 149 | Carroll County Public Library | 170,089 | 405,362 | $11,993,872 | $11,179,738 | +7.3% | Polaris | 2009 | profile | |
| 150 | Saint Joseph County Public Library | 167,606 | 617,315 | $11,929,781 | $10,848,478 | +10.0% | Sierra | 2011 | profile | |
| 151 | Pueblo City-County Library District | 160,393 | 518,000 | $8,084,205 | $7,626,999 | +6.0% | Koha -- ByWater Solutions | 2018 | profile | |
| 152 | Springfield City Library | 153,060 | 671,850 | $5,415,848 | $5,851,329 | -7.4% | Evergreen -- Independent | 2012 | profile | |
| 153 | Frisco Public Library | 151,030 | 198,383 | $3,568,246 | $2,966,576 | +20.3% | Symphony | 2003 | profile | |
| 154 | Sunnyvale Public Library | 148,028 | 250,794 | $7,267,445 | $7,050,047 | +3.1% | Sierra | 2014 | profile | |
| 155 | Hayward Public Library | 147,113 | 111,843 | $3,842,327 | $4,291,869 | -10.5% | Sierra | 2002 | profile | |
| 156 | Torrance Public Library | 146,860 | 519,990 | $7,145,531 | $7,508,154 | -4.8% | Symphony | 2002 | profile | |
| 157 | Bridgeport Public Library | 144,229 | 484,929 | $5,990,548 | $4,927,149 | +21.6% | Evergreen -- Independent | 2011 | profile | |
| 158 | Alexandria Library | 141,738 | 437,641 | $6,793,512 | $6,639,270 | +2.3% | Symphony | 2009 | profile | |
| 159 | Marin County Free Library | 139,500 | 487,625 | $12,353,820 | $12,200,951 | +1.3% | Sierra | 2011 | profile | |
| 160 | Pasadena Public Library | 139,222 | 729,049 | $11,705,108 | $12,171,075 | -3.8% | Symphony | 2020 | profile | |
| 161 | Rochester Public Library | 137,121 | 381,096 | $6,229,379 | $6,116,363 | +1.8% | Symphony | 2003 | profile | |
| 162 | New Haven Free Public Library | 129,779 | 452,165 | $4,183,005 | $5,111,792 | -18.2% | Sierra | 2014 | profile | |
| 163 | Elizabeth Free Public Library | 124,969 | 383,811 | $4,026,474 | $4,197,700 | -4.1% | Symphony | 2002 | profile | |
| 164 | Public Libraries of Saginaw | 124,823 | 378,860 | $5,521,547 | $5,832,509 | -5.3% | Horizon | 2004 | profile | |
| 165 | Hartford Public Library | 124,775 | 384,059 | $9,139,849 | $8,651,901 | +5.6% | Symphony | 2018 | profile | |
| 166 | Santa Clara Public Library | 118,813 | 362,169 | $6,428,327 | $7,287,222 | -11.8% | Sierra | 2015 | profile | |
| 167 | Kalamazoo Public Library | 116,445 | 433,329 | $9,938,468 | $10,211,829 | -2.7% | Symphony | 2002 | profile | |
| 168 | Carlsbad City Library | 107,674 | 279,752 | $9,576,787 | $9,304,749 | +2.9% | Symphony | 2003 | profile | |
| 169 | Davenport Public Library | 99,685 | 222,320 | $5,304,285 | $4,446,573 | +19.3% | Polaris | 2011 | profile | |
| 170 | Albany Public Library | 97,839 | 263,274 | $6,203,783 | $6,564,297 | -5.5% | Sierra | 2014 | profile | |
| 171 | Santa Monica Public Library | 90,223 | 438,146 | $10,406,904 | $10,725,648 | -3.0% | Polaris | 2011 | profile | |
| 172 | Carmel Clay Public Library | 86,293 | 362,893 | $5,975,354 | $4,487,304 | +33.2% | Symphony | 2003 | profile | |
| 173 | Newport Beach Public Library | 85,990 | 242,534 | $6,600,845 | $6,650,288 | -0.7% | Symphony | 2019 | profile | |
| 174 | Somerville Public Library | 78,804 | 169,170 | $1,844,442 | $1,668,887 | +10.5% | Sierra | 2013 | profile | |
| 175 | Redwood City Public Library | 78,244 | 237,084 | $7,094,738 | $7,205,422 | -1.5% | Sierra | 2013 | profile | |
| 176 | Gary Public Library | 75,242 | 623,056 | $4,385,763 | $4,996,690 | -12.2% | Symphony | 2002 | profile | |
| 177 | Arlington Heights Memorial Library | 75,101 | 264,543 | $11,852,344 | $12,011,998 | -1.3% | Sierra | 2016 | profile | |
| 178 | West Bloomfield Township Public Library | 71,755 | 231,592 | $4,227,277 | $4,643,193 | -9.0% | Sierra | 2011 | profile | |
| 179 | Portland Public Library | 66,214 | 274,050 | $4,206,557 | $3,668,146 | +14.7% | Sierra | 2014 | profile | |
| 180 | Palo Alto City Library | 65,544 | 251,476 | $7,163,003 | $6,525,175 | +9.8% | Sierra | 2015 | profile | |
| 181 | Skokie Public Library | 64,784 | 467,622 | $10,735,195 | $9,758,449 | +10.0% | Sierra | 2011 | profile | |
| 182 | East Cleveland Public Library | 20,869 | 175,356 | $1,922,927 | $2,259,505 | -14.9% | Symphony | 2003 | profile | |
| 183 | Switzer Library | $ | Symphony | 2002 | profile | |||||
| Total for Group | 136,184,604 | 329,055,427 | 4,437,567,541 | 4,495,795,615 | + 0.0% | |||||