Counties in California by births (July to June)

Los Angeles County had the highest births (July to June) of 58 counties in 2021, at 94,882. Alpine County had the lowest, at 7. The median was 2,041 and the figure for California was 412,508. Source: the U.S. Census Bureau.

Highest94,882Los Angeles County
Median2,04158 counties
California412,508History

All counties, 2021

CSVChart (SVG)

Los Angeles CountyLos Angeles County: 94,882 count94,882San Diego CountySan Diego County: 36,535 count36,535Orange CountyOrange County: 30,108 count30,108Riverside CountyRiverside County: 26,959 count26,959San Bernardino CountySan Bernardino County: 26,206 count26,206Santa Clara CountySanta Clara County: 18,919 count18,919Sacramento CountySacramento County: 17,944 count17,944Alameda CountyAlameda County: 16,770 count16,770Fresno CountyFresno County: 13,675 count13,675Kern CountyKern County: 12,268 count12,268Contra Costa CountyContra Costa County: 11,724 count11,724San Joaquin CountySan Joaquin County: 9,629 count9,629Ventura CountyVentura County: 8,291 count8,291San Francisco CountySan Francisco County: 7,546 count7,546San Mateo CountySan Mateo County: 7,419 count7,419Stanislaus CountyStanislaus County: 6,993 count6,993Tulare CountyTulare County: 6,560 count6,560Monterey CountyMonterey County: 5,355 count5,355Santa Barbara CountySanta Barbara County: 5,316 count5,316Solano CountySolano County: 4,925 count4,925Sonoma CountySonoma County: 4,424 count4,424Merced CountyMerced County: 3,800 count3,800Placer CountyPlacer County: 3,578 count3,578San Luis Obispo CountySan Luis Obispo County: 2,370 count2,370Imperial CountyImperial County: 2,233 count2,233Santa Cruz CountySanta Cruz County: 2,190 count2,190Marin CountyMarin County: 2,176 count2,176Kings CountyKings County: 2,172 count2,172Madera CountyMadera County: 2,072 count2,072Butte CountyButte County: 2,009 count2,009Yolo CountyYolo County: 1,937 count1,937Shasta CountyShasta County: 1,814 count1,814El Dorado CountyEl Dorado County: 1,499 count1,499Sutter CountySutter County: 1,246 count1,246Humboldt CountyHumboldt County: 1,218 count1,218Napa CountyNapa County: 1,207 count1,207Yuba CountyYuba County: 1,111 count1,111Mendocino CountyMendocino County: 882 count882Nevada CountyNevada County: 806 count806San Benito CountySan Benito County: 764 count764Tehama CountyTehama County: 723 count723Lake CountyLake County: 695 count695Siskiyou CountySiskiyou County: 429 count429Tuolumne CountyTuolumne County: 399 count399Glenn CountyGlenn County: 371 count371Calaveras CountyCalaveras County: 361 count361Lassen CountyLassen County: 319 count319Amador CountyAmador County: 314 count314Colusa CountyColusa County: 293 count293Del Norte CountyDel Norte County: 264 count264Plumas CountyPlumas County: 172 count172Inyo CountyInyo County: 168 count168Mariposa CountyMariposa County: 135 count135Trinity CountyTrinity County: 121 count121Mono CountyMono County: 112 count112Modoc CountyModoc County: 68 count68Sierra CountySierra County: 25 count25Alpine CountyAlpine County: 7 count7
count. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
count
1Los Angeles County Estimated94,882
2San Diego County Estimated36,535
3Orange County Estimated30,108
4Riverside County Estimated26,959
5San Bernardino County Estimated26,206
6Santa Clara County Estimated18,919
7Sacramento County Estimated17,944
8Alameda County Estimated16,770
9Fresno County Estimated13,675
10Kern County Estimated12,268
11Contra Costa County Estimated11,724
12San Joaquin County Estimated9,629
13Ventura County Estimated8,291
14San Francisco County Estimated7,546
15San Mateo County Estimated7,419
16Stanislaus County Estimated6,993
17Tulare County Estimated6,560
18Monterey County Estimated5,355
19Santa Barbara County Estimated5,316
20Solano County Estimated4,925
21Sonoma County Estimated4,424
22Merced County Estimated3,800
23Placer County Estimated3,578
24San Luis Obispo County Estimated2,370
25Imperial County Estimated2,233
26Santa Cruz County Estimated2,190
27Marin County Estimated2,176
28Kings County Estimated2,172
29Madera County Estimated2,072
30Butte County Estimated2,009
31Yolo County Estimated1,937
32Shasta County Estimated1,814
33El Dorado County Estimated1,499
34Sutter County Estimated1,246
35Humboldt County Estimated1,218
36Napa County Estimated1,207
37Yuba County Estimated1,111
38Mendocino County Estimated882
39Nevada County Estimated806
40San Benito County Estimated764
41Tehama County Estimated723
42Lake County Estimated695
43Siskiyou County Estimated429
44Tuolumne County Estimated399
45Glenn County Estimated371
46Calaveras County Estimated361
47Lassen County Estimated319
48Amador County Estimated314
49Colusa County Estimated293
50Del Norte County Estimated264
51Plumas County Estimated172
52Inyo County Estimated168
53Mariposa County Estimated135
54Trinity County Estimated121
55Mono County Estimated112
56Modoc County Estimated68
57Sierra County Estimated25
58Alpine County Estimated7

Other periods

About this ranking

Estimated live births to resident mothers from July 1 of the previous year through June 30 of the reported year.

Census population estimates component. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth totals.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

Which county has the highest births (July to June)?

Los Angeles County, with 94,882 in 2021, according to the U.S. Census Bureau.

Which county has the lowest births (July to June)?

Alpine County, with 7 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Live births, July to June: other rankings

Counties in California: more rankings