What is the current population of Diamond Bar?

Based on the latest 2020 data from the US census, the current population of Diamond Bar is 55,720. Diamond Bar, California is the 688th largest city in the US.

What was the peak population of Diamond Bar?

The peak population of Diamond Bar was in 2000, when its population was 56,387. In 2000, Diamond Bar was the 529th largest city in the US; now its fallen to the 688th largest city in the US. Diamond Bar is currently 1.2% smaller than it was in 2000.

How quickly is Diamond Bar shrinking?

Diamond Bar has shrunk 1.1% since the year 2000. Diamond Bar, California's growth is extremely below average. 87% of similarly sized cities are growing faster since 2000.

What county is Diamond Bar, California in?

Diamond Bar is located entirely in Los Angeles County.

Population History

Year Population Rank in US
2019 55,720 688
2018 56,275 679
2017 56,665 666
2016 56,793 661
2015 56,897 654
2014 56,784 649
2013 56,449 646
2012 56,363 636
2011 55,984 633
2010 55,544 631
2009 57,105 592
2008 56,729 586
2007 56,506 582
2006 56,640 579
2005 57,182 573
2004 57,543 552
2003 57,620 539
2002 57,401 533
2001 56,782 532
2000 56,387 529
1990 53,611 474

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2019
678 Shoreline, Washington 57,027 7.2%
679 Smyrna, Georgia 56,666 27.2%
680 Pocatello, Idaho 56,637 9.8%
681 Valdosta, Georgia 56,457 22.3%
682 Carson City, Nevada 55,916 6.4%
683 Lake Havasu City, Arizona 55,865 31.7%
684 Grand Forks, North Dakota 55,839 13.3%
685 Blue Springs, Missouri 55,829 15.1%
686 Southaven, Mississippi 55,780 89.0%
687 Tinley Park, Illinois 55,773 13.2%
688 Diamond Bar, California 55,720 -1.1%
689 New Brunswick, New Jersey 55,676 15.2%
690 Lenexa, Kansas 55,625 37.7%
691 Brookhaven, Georgia 55,554
692 Novato, California 55,516 16.1%
693 Tigard, Oregon 55,514 29.6%
694 Highland, California 55,417 23.5%
695 Fountain Valley, California 55,357 0.5%
696 Dearborn Heights, Michigan 55,353 -5.1%
697 Albany, Oregon 55,338 34.7%
698 Grapevine, Texas 55,281 29.5%

Similarly Sized Cities In California

US Rank Name Population Growth
2000-2019
268 Downey 111,126 3.3%
272 Richmond 110,567 10.9%
277 Jurupa Valley 109,527
282 San Buenaventura (Ventura) 109,106 7.7%
284 Inglewood 108,151 -4.0%
287 Santa Maria 107,263 37.3%
290 Daly City 106,280 2.5%
293 West Covina 105,101 -0.1%
297 San Mateo 104,430 12.6%
298 Norwalk 103,949 -0.5%
299 Rialto 103,526 11.5%
301 Chico 103,301 33.9%
302 El Cajon 102,708 8.0%
303 Burbank 102,511 2.0%
306 Vista 101,638 12.9%
313 Vacaville 100,670 12.5%
327 San Marcos 96,664 73.0%
332 Hesperia 95,750 51.8%
334 Compton 95,605 2.0%
341 Menifee 94,756 121.5%
342 Tracy 94,740 63.2%
346 Mission Viejo 94,381 0.8%
347 Chino 94,371 34.7%
353 South Gate 93,444 -3.2%
359 Redding 92,590 13.7%
362 Indio 91,765 82.3%
364 Carson 91,394 1.5%
365 Santa Barbara 91,364 1.9%
367 Westminster 90,643 2.7%
368 Santa Monica 90,401 7.1%
370 Livermore 90,189 21.9%
378 San Leandro 88,815 11.3%
384 Citrus Heights 87,796 2.8%
391 Hawthorne 86,068 2.2%
392 Redwood City 85,925 13.8%
396 Lake Forest 85,531 12.4%
397 Hemet 85,334 43.6%
398 Whittier 85,098 1.5%
405 Newport Beach 84,534 6.9%
408 Milpitas 84,196 33.9%
410 Chino Hills 83,853 24.4%
411 Alhambra 83,750 -1.6%
412 Merced 83,676 29.4%
417 Manteca 83,028 64.7%
418 Mountain View 82,739 17.0%
421 Buena Park 81,788 4.7%
422 Pleasanton 81,777 27.1%
428 Folsom 81,328 54.2%
440 Tustin 79,348 17.1%
441 Lakewood 79,307 -0.1%
442 Perris 79,291 117.8%
451 Napa 78,130 7.2%
454 Alameda 77,624 7.0%
460 Upland 77,140 12.0%
464 Bellflower 76,435 4.7%
466 San Ramon 75,995 69.1%
473 Baldwin Park 75,251 -0.9%
475 Rancho Cordova 75,087 39.7%
484 Union City 74,107 9.8%
486 Turlock 73,631 29.2%
490 Apple Valley 73,453 34.5%
496 Pittsburg 72,588 26.9%
508 Redlands 71,513 11.7%
519 Walnut Creek 70,166 8.6%
521 Camarillo 69,888 21.5%
522 Lynwood 69,887 0.0%
527 Davis 69,413 17.3%
528 Lake Elsinore 69,283 136.7%
531 Rocklin 68,823 84.7%
542 South San Francisco 67,789 11.8%
543 Yorba Linda 67,644 14.4%
545 Lodi 67,586 17.5%
554 Yuba City 67,010 31.1%
558 Redondo Beach 66,749 5.1%
560 Laguna Niguel 66,385 5.6%
568 Madera 65,860 50.7%
573 Tulare 65,496 42.7%
577 Palo Alto 65,364 11.5%
583 Dublin 64,826 111.5%
586 Santa Cruz 64,608 15.6%
588 San Clemente 64,558 27.6%
589 Brentwood 64,474 160.6%
592 Eastvale 64,157
601 Encinitas 62,709 7.7%
608 Pico Rivera 62,027 -2.3%
609 Montebello 61,954 -0.4%
612 National City 61,394 13.0%
621 Woodland 60,548 21.7%
622 Petaluma 60,520 10.3%
623 La Habra 60,513 1.7%
631 Monterey Park 59,669 -0.8%
633 Porterville 59,599 29.7%
640 Gardena 59,329 2.4%
643 Cupertino 59,276 12.6%
645 La Mesa 59,249 8.1%
646 Gilroy 59,032 41.5%
655 San Rafael 58,440 4.1%
663 Santee 58,081 9.4%
665 Arcadia 57,939 8.9%
672 Hanford 57,703 37.5%
673 Huntington Park 57,509 -6.3%
688 Diamond Bar 55,720 -1.1%
692 Novato 55,516 16.1%
694 Highland 55,417 23.5%
695 Fountain Valley 55,357 0.5%
703 Cathedral City 55,007 28.0%
707 Colton 54,824 14.1%
719 Rosemead 54,058 0.8%
720 Paramount 53,955 -2.5%
722 Yucaipa 53,921 30.1%
723 Watsonville 53,856 15.7%
728 Delano 53,573 34.8%
730 West Sacramento 53,519 66.9%
732 Palm Desert 53,275 19.4%
755 Glendora 51,544 4.1%
761 Placentia 51,233 9.7%
764 Beaumont 51,063 347.1%
771 Aliso Viejo 50,887 27.2%
781 Azusa 49,974 11.4%
782 Cerritos 49,859 -3.3%
791 Poway 49,323 2.2%
793 San Jacinto 49,215 105.9%
795 Newark 49,149 15.1%
801 Cypress 49,006 5.1%
804 Ceres 48,706 39.7%
807 Palm Springs 48,518 12.9%
809 Lincoln 48,275 311.0%
812 La Mirada 48,183 2.6%
822 Rancho Santa Margarita 47,896 1.8%
828 San Luis Obispo 47,459 6.9%
829 Covina 47,450 1.1%
852 Morgan Hill 45,952 34.5%
855 Coachella 45,743 100.0%
863 Danville 44,510 6.5%
878 El Centro 44,079 15.6%
893 Rohnert Park 43,291 4.6%
895 Brea 43,255 21.7%
903 Lompoc 42,853 3.9%
906 San Bruno 42,807 6.5%
912 Oakley 42,543 64.5%
921 Bell Gardens 42,012 -4.7%
924 Campbell 41,793 7.3%
927 La Quinta 41,748 69.8%
934 Rancho Palos Verdes 41,530 0.7%
948 Los Banos 41,036 55.9%
955 Hollister 40,740 16.9%
972 Montclair 40,083 18.1%
975 San Gabriel 39,899 0.0%
979 Calexico 39,825 45.6%
987 La Puente 39,614 -3.6%
997 Culver City 39,185 0.7%
1013 Pacifica 38,546 0.4%
1022 Martinez 38,297 6.5%
1027 Stanton 38,139 1.5%
1039 Wildomar 37,229 76.4%
1063 West Hollywood 36,475 1.6%
1066 Moorpark 36,375 14.2%
1069 Monrovia 36,331 -1.8%
1074 Claremont 36,266 6.4%
1088 San Juan Capistrano 35,911 5.9%
1091 Temple City 35,811 6.6%
1098 Bell 35,521 -3.2%
1105 Manhattan Beach 35,183 3.5%
1114 Pleasant Hill 34,839 5.3%
1122 Menlo Park 34,698 12.7%
1141 Adelanto 34,049 87.2%
1148 Foster City 33,901 17.7%
1155 Beverly Hills 33,792 -0.3%
1156 Seaside 33,748 1.9%
1158 San Dimas 33,621 -4.0%
1160 Dana Point 33,577 -4.5%
1198 Lawndale 32,389 2.0%
1208 El Paso de Robles (Paso Robles) 32,153 30.3%
1218 La Verne 31,974 0.7%
1234 Banning 31,221 31.9%
1235 Laguna Hills 31,207 -2.5%
1241 San Pablo 30,990 2.4%
1243 Goleta 30,911 7.2%
1246 Burlingame 30,889 9.7%
1273 Los Gatos 30,222 5.2%
1276 San Carlos 30,185 8.8%
1277 Saratoga 30,153 0.2%
1278 Los Altos 30,089 7.0%
1281 Atascadero 30,075 13.3%
1289 Santa Paula 29,806 3.6%
1292 Walnut 29,685 -1.2%
1294 Suisun City 29,663 12.8%
1300 Atwater 29,559 27.0%
1307 East Palo Alto 29,314 -2.1%
1320 Ridgecrest 28,973 16.2%
1324 Desert Hot Springs 28,878 75.4%
1330 Wasco 28,710 34.5%
1344 Benicia 28,240 4.7%
1352 Monterey 28,178 -5.2%

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