Counties in California by birth rate (July to June)

Kings County had the highest birth rate (July to June) of 58 counties in 2021, at 14.21 per 1,000 inhabitants. Alpine County had the lowest, at 5.9 per 1,000 inhabitants. The median was 9.86 per 1,000 inhabitants and the figure for California was 10.49 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest14.21Kings County
Lowest5.9Alpine County
Median9.8658 counties
California10.49History

All counties, 2021

CSVChart (SVG)

Kings CountyKings County: 14.21 per 1,000 inhabitants14.21Tulare CountyTulare County: 13.8 per 1,000 inhabitants13.8Fresno CountyFresno County: 13.52 per 1,000 inhabitants13.52Kern CountyKern County: 13.49 per 1,000 inhabitants13.49Yuba CountyYuba County: 13.46 per 1,000 inhabitants13.46Colusa CountyColusa County: 13.38 per 1,000 inhabitants13.38Merced CountyMerced County: 13.32 per 1,000 inhabitants13.32Madera CountyMadera County: 13.14 per 1,000 inhabitants13.14Glenn CountyGlenn County: 12.89 per 1,000 inhabitants12.89Stanislaus CountyStanislaus County: 12.64 per 1,000 inhabitants12.64Sutter CountySutter County: 12.54 per 1,000 inhabitants12.54Imperial CountyImperial County: 12.46 per 1,000 inhabitants12.46San Joaquin CountySan Joaquin County: 12.28 per 1,000 inhabitants12.28Monterey CountyMonterey County: 12.18 per 1,000 inhabitants12.18Santa Barbara CountySanta Barbara County: 12 per 1,000 inhabitants12San Bernardino CountySan Bernardino County: 11.98 per 1,000 inhabitants11.98San Benito CountySan Benito County: 11.64 per 1,000 inhabitants11.64Sacramento CountySacramento County: 11.3 per 1,000 inhabitants11.3San Diego CountySan Diego County: 11.12 per 1,000 inhabitants11.12Riverside CountyRiverside County: 11.05 per 1,000 inhabitants11.05Tehama CountyTehama County: 11.02 per 1,000 inhabitants11.02Solano CountySolano County: 10.9 per 1,000 inhabitants10.9Lake CountyLake County: 10.15 per 1,000 inhabitants10.15Alameda CountyAlameda County: 10.09 per 1,000 inhabitants10.09Contra Costa CountyContra Costa County: 10.06 per 1,000 inhabitants10.06Shasta CountyShasta County: 9.95 per 1,000 inhabitants9.95Lassen CountyLassen County: 9.92 per 1,000 inhabitants9.92Santa Clara CountySanta Clara County: 9.92 per 1,000 inhabitants9.92San Mateo CountySan Mateo County: 9.88 per 1,000 inhabitants9.88Ventura CountyVentura County: 9.85 per 1,000 inhabitants9.85Siskiyou CountySiskiyou County: 9.75 per 1,000 inhabitants9.75Mendocino CountyMendocino County: 9.66 per 1,000 inhabitants9.66Butte CountyButte County: 9.65 per 1,000 inhabitants9.65Los Angeles CountyLos Angeles County: 9.58 per 1,000 inhabitants9.58Del Norte CountyDel Norte County: 9.57 per 1,000 inhabitants9.57Orange CountyOrange County: 9.49 per 1,000 inhabitants9.49Sonoma CountySonoma County: 9.09 per 1,000 inhabitants9.09Yolo CountyYolo County: 8.98 per 1,000 inhabitants8.98Humboldt CountyHumboldt County: 8.98 per 1,000 inhabitants8.98San Francisco CountySan Francisco County: 8.92 per 1,000 inhabitants8.92Inyo CountyInyo County: 8.88 per 1,000 inhabitants8.88Napa CountyNapa County: 8.82 per 1,000 inhabitants8.82Placer CountyPlacer County: 8.74 per 1,000 inhabitants8.74Plumas CountyPlumas County: 8.66 per 1,000 inhabitants8.66Mono CountyMono County: 8.46 per 1,000 inhabitants8.46San Luis Obispo CountySan Luis Obispo County: 8.43 per 1,000 inhabitants8.43Marin CountyMarin County: 8.36 per 1,000 inhabitants8.36Santa Cruz CountySanta Cruz County: 8.22 per 1,000 inhabitants8.22Calaveras CountyCalaveras County: 7.88 per 1,000 inhabitants7.88Mariposa CountyMariposa County: 7.88 per 1,000 inhabitants7.88Modoc CountyModoc County: 7.86 per 1,000 inhabitants7.86Nevada CountyNevada County: 7.83 per 1,000 inhabitants7.83El Dorado CountyEl Dorado County: 7.79 per 1,000 inhabitants7.79Amador CountyAmador County: 7.68 per 1,000 inhabitants7.68Sierra CountySierra County: 7.67 per 1,000 inhabitants7.67Trinity CountyTrinity County: 7.51 per 1,000 inhabitants7.51Tuolumne CountyTuolumne County: 7.22 per 1,000 inhabitants7.22Alpine CountyAlpine County: 5.9 per 1,000 inhabitants5.9
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
per 1,000 inhabitants
1Kings County Estimated14.21
2Tulare County Estimated13.8
3Fresno County Estimated13.52
4Kern County Estimated13.49
5Yuba County Estimated13.46
6Colusa County Estimated13.38
7Merced County Estimated13.32
8Madera County Estimated13.14
9Glenn County Estimated12.89
10Stanislaus County Estimated12.64
11Sutter County Estimated12.54
12Imperial County Estimated12.46
13San Joaquin County Estimated12.28
14Monterey County Estimated12.18
15Santa Barbara County Estimated12
16San Bernardino County Estimated11.98
17San Benito County Estimated11.64
18Sacramento County Estimated11.3
19San Diego County Estimated11.12
20Riverside County Estimated11.05
21Tehama County Estimated11.02
22Solano County Estimated10.9
23Lake County Estimated10.15
24Alameda County Estimated10.09
25Contra Costa County Estimated10.06
26Shasta County Estimated9.95
27Lassen County Estimated9.92
28Santa Clara County Estimated9.92
29San Mateo County Estimated9.88
30Ventura County Estimated9.85
31Siskiyou County Estimated9.75
32Mendocino County Estimated9.66
33Butte County Estimated9.65
34Los Angeles County Estimated9.58
35Del Norte County Estimated9.57
36Orange County Estimated9.49
37Sonoma County Estimated9.09
38Yolo County Estimated8.98
39Humboldt County Estimated8.98
40San Francisco County Estimated8.92
41Inyo County Estimated8.88
42Napa County Estimated8.82
43Placer County Estimated8.74
44Plumas County Estimated8.66
45Mono County Estimated8.46
46San Luis Obispo County Estimated8.43
47Marin County Estimated8.36
48Santa Cruz County Estimated8.22
49Calaveras County Estimated7.88
50Mariposa County Estimated7.88
51Modoc County Estimated7.86
52Nevada County Estimated7.83
53El Dorado County Estimated7.79
54Amador County Estimated7.68
55Sierra County Estimated7.67
56Trinity County Estimated7.51
57Tuolumne County Estimated7.22
58Alpine County Estimated5.9

Other periods

About this ranking

Estimated live births from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

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

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: birth rate, 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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Rank Counties in California by birth rate (July to June) using official data, and cite the source.
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Questions

Which county has the highest birth rate (July to June)?

Kings County, with 14.21 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.

Which county has the lowest birth rate (July to June)?

Alpine County, with 5.9 per 1,000 inhabitants 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: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Crude birth rate, July to June: other rankings

Counties in California: more rankings