Census tract rankings · California

Most populous census tracts in California

Where the most people live inside a single tract. The Census Bureau aims for 4,000 residents per tract but splits and merges aren't always synchronized with growth. Filtered to California, ranked among all tracts in the state.

Filter by state

Rank	Tract	County	population
#1	Tract 187	San Diego, CA	40,415
#2	Tract 626.14	Orange, CA	24,017
#3	Tract 133.17	San Diego, CA	18,047
#4	Tract 406.09	Riverside, CA	17,975
#5	Tract 524.30	Orange, CA	17,078
#6	Tract 19.07	San Bernardino, CA	16,455
#7	Tract 524.33	Orange, CA	16,295
#8	Tract 51.06	San Joaquin, CA	15,336
#9	Tract 438.23	Riverside, CA	14,738
#10	Tract 427.33	Riverside, CA	14,580
#11	Tract 27.06	San Bernardino, CA	14,186
#12	Tract 2523.17	Solano, CA	14,017
#13	Tract 863.03	Orange, CA	13,930
#14	Tract 524.39	Orange, CA	13,687
#15	Tract 2653.01	Los Angeles, CA	13,681
#16	Tract 19.06	San Bernardino, CA	13,555
#17	Tract 432.35	Riverside, CA	13,536
#18	Tract 59.12	Fresno, CA	13,429
#19	Tract 430.01	Riverside, CA	13,365
#20	Tract 626.10	Orange, CA	13,289
#21	Tract 213.28	Placer, CA	12,999
#22	Tract 51.19	San Joaquin, CA	12,380
#23	Tract 4507.51	Alameda, CA	12,378
#24	Tract 5130	Santa Clara, CA	12,324
#25	Tract 85.08	Sacramento, CA	12,300
#26	Tract 524.22	Orange, CA	12,295
#27	Tract 427.26	Riverside, CA	12,017
#28	Tract 42.12	Fresno, CA	12,016
#29	Tract 52.14	San Joaquin, CA	11,911
#30	Tract 5045.05	Santa Clara, CA	11,610
#31	Tract 110.02	Imperial, CA	11,566
#32	Tract 52.23	San Joaquin, CA	11,561
#33	Tract 213.23	Placer, CA	11,540
#34	Tract 432.97	Riverside, CA	11,415
#35	Tract 32.19	San Joaquin, CA	11,405
#36	Tract 9201.21	Los Angeles, CA	11,359
#37	Tract 755.16	Orange, CA	11,338
#38	Tract 10.12	Tulare, CA	11,302
#39	Tract 5050.06	Santa Clara, CA	11,179
#40	Tract 1082.02	Los Angeles, CA	11,154
#41	Tract 755.18	Orange, CA	11,153
#42	Tract 83.05	San Diego, CA	11,134
#43	Tract 104.02	San Bernardino, CA	11,067
#44	Tract 58.05	Fresno, CA	10,834
#45	Tract 423	Riverside, CA	10,814
#46	Tract 11	Madera, CA	10,768
#47	Tract 96.08	Sacramento, CA	10,617
#48	Tract 320.49	Orange, CA	10,469
#49	Tract 3551.15	Contra Costa, CA	10,460
#50	Tract 170.65	San Diego, CA	10,415
#51	Tract 406.16	Riverside, CA	10,379
#52	Tract 406.18	Riverside, CA	10,312
#53	Tract 23.01	Merced, CA	10,253
#54	Tract 23.08	San Bernardino, CA	10,143
#55	Tract 24.09	Santa Barbara, CA	10,076
#56	Tract 432.52	Riverside, CA	10,051
#57	Tract 9203.39	Los Angeles, CA	10,017
#58	Tract 2756.04	Los Angeles, CA	9,869
#59	Tract 4228	Alameda, CA	9,850
#60	Tract 422.03	Orange, CA	9,842
#61	Tract 403.02	Riverside, CA	9,812
#62	Tract 1004	Santa Cruz, CA	9,802
#63	Tract 3032.07	Contra Costa, CA	9,770
#64	Tract 213.27	Placer, CA	9,714
#65	Tract 4507.52	Alameda, CA	9,709
#66	Tract 29.04	San Diego, CA	9,700
#67	Tract 51.37	San Joaquin, CA	9,636
#68	Tract 427.31	Riverside, CA	9,624
#69	Tract 80.01	San Bernardino, CA	9,533
#70	Tract 215.02	San Diego, CA	9,517
#71	Tract 218.22	Orange, CA	9,475
#72	Tract 407.01	Yuba, CA	9,472
#73	Tract 50.04	Ventura, CA	9,464
#74	Tract 168.04	San Diego, CA	9,452
#75	Tract 524.21	Orange, CA	9,399
#76	Tract 748.03	Orange, CA	9,393
#77	Tract 426.26	Riverside, CA	9,385
#78	Tract 133.19	San Diego, CA	9,371
#79	Tract 52.21	San Joaquin, CA	9,357
#80	Tract 761.03	Orange, CA	9,342
#81	Tract 320.66	Orange, CA	9,328
#82	Tract 433.04	Riverside, CA	9,290
#83	Tract 17.03	Tulare, CA	9,290
#84	Tract 419.15	Riverside, CA	9,285
#85	Tract 427.39	Riverside, CA	9,265
#86	Tract 3031.06	Contra Costa, CA	9,221
#87	Tract 1106.04	Orange, CA	9,200
#88	Tract 46.01	San Bernardino, CA	9,192
#89	Tract 7029	Los Angeles, CA	9,176
#90	Tract 3.02	Ventura, CA	9,118
#91	Tract 435.17	Riverside, CA	9,093
#92	Tract 201.10	San Diego, CA	9,085
#93	Tract 213.25	Placer, CA	9,075
#94	Tract 200.44	San Diego, CA	9,056
#95	Tract 5029.02	Santa Clara, CA	9,050
#96	Tract 524.29	Orange, CA	9,027
#97	Tract 203.10	San Diego, CA	9,019
#98	Tract 91.27	San Bernardino, CA	8,989
#99	Tract 35.03	San Joaquin, CA	8,989
#100	Tract 112.01	Imperial, CA	8,978