Demographics of San Joaquin County, California

San Joaquin County, California had 823,815 people on July 1, 2025, by the Census Bureau’s estimate: +43,197 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

San Joaquin County, in four figures

823,815
Population: July 1, 2025, Vintage 2025 estimate.; +5.5%
Change since July 2020: +43,197 people.; 35.4 ±0.1
Median age: ACS 2020–⁠2024.; $92,179 ±$1,619
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

San Joaquin County, California's population grew 5.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of San Joaquin County, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

San Joaquin County, California's population grew 5.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of San Joaquin County, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	780,618	100.0	100.0
2021	788,040	101.0	100.2
2022	795,443	101.9	100.7
2023	806,055	103.3	101.6
2024	817,149	104.7	102.5
2025	823,815	105.5	103.1

3 more columns on a wider screen

Population of San Joaquin County, California on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	780,618	+1,384	+898	+35	+165
2021	788,040	+7,422	+2,173	+678	+4,145
2022	795,443	+7,403	+3,207	+4,111	+660
2023	806,055	+10,612	+3,634	+6,430	+724
2024	817,149	+11,094	+3,378	+7,870	−101
2025	823,815	+6,666	+3,401	+2,735	+441

Age, 2020–2024

The median age is 35.4 ±0.1: for men 34.6 ±0.1 and for women 36.2 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in San Joaquin County by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	51,565 ±177	6.5% ±<0.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	157,259 ±2,402	19.7% ±0.3	16.5% ±<0.1	16.3% ±<0.1
18 to 24	74,737 ±1,659	9.4% ±0.2	9.1% ±<0.1	9.1% ±<0.1
25 to 44	222,137 ±2,140	27.9% ±0.3	28.7% ±<0.1	26.9% ±<0.1
45 to 64	183,906 ±2,066	23.1% ±0.3	24.6% ±<0.1	24.8% ±<0.1
65 and over	107,730 ±2,122	13.5% ±0.3	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $92,179 ±$1,619, and income per person $37,266 ±$579, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in San Joaquin County by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	29,462 ±1,564	12.0% ±0.6	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	34,497 ±1,537	14.1% ±0.6	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	35,000 ±1,549	14.3% ±0.6	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	32,822 ±1,375	13.4% ±0.6	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	48,530 ±1,808	19.8% ±0.7	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	29,380 ±1,313	12.0% ±0.5	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	35,559 ±1,374	14.5% ±0.6	20.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in San Joaquin County by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	97,455 ±5,139	12.4% ±0.7	12.0% ±0.1	12.5% ±0.1
Under 18	33,650 ±1,960	16.4% ±0.9	15.0% ±0.1	16.1% ±0.1
18 to 59	47,013 ±2,614	10.9% ±0.6	11.0% ±0.1	11.6% ±0.1
60 and over	16,792 ±1,114	11.4% ±0.7	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in San Joaquin County, ACS 2020–2024
Measure	San Joaquin County	California	United States
Housing units	260,151 ±238	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	94.3% ±0.4	92.5% ±0.1	89.9% ±0.1
Vacant	5.7% ±0.4	7.5% ±0.1	10.1% ±0.1
Owner occupied	62.0% ±0.8	55.9% ±0.3	65.2% ±0.3
Renter occupied	38.0% ±0.6	44.1% ±0.2	34.8% ±0.1
Median home value	$530,700 ±$6,613	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$1,734 ±$23	$2,036 ±$5	$1,413 ±$2
Median year built	1984 ±1	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in San Joaquin County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	339,161 ±0	42.5% ±<0.1	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	213,729 ±1,023	26.8% ±0.1	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	52,516 ±1,340	6.6% ±0.2	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	145,037 ±1,701	18.2% ±0.2	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	2,105 ±314	0.3% ±<0.1	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	4,315 ±604	0.5% ±0.1	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	3,670 ±943	0.5% ±0.1	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	36,801 ±2,480	4.6% ±0.3	4.4% ±<0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in San Joaquin County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	511,283 ±4,336	64.1% ±0.5	56.5% ±0.1	57.3% ±<0.1
Born in another state	72,098 ±2,658	9.0% ±0.3	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	13,010 ±1,342	1.6% ±0.2	1.5% ±<0.1	1.7% ±<0.1
Born abroad	200,943 ±3,856	25.2% ±0.5	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	103,827 ±2,804	13.0% ±0.4	14.7% ±0.1	7.4% ±<0.1
Not citizens	97,116 ±3,348	12.2% ±0.4	12.3% ±0.1	6.8% ±<0.1

San Joaquin County among the counties of California

14th of 58 by population, July 2025. Every one is listed on the California page.

Counties of California near San Joaquin County in population, July 2025
County	July 2025	Change since 2020
Contra Costa County	1,170,070	+0.3%
Fresno County	1,035,456	+2.6%
Kern County	927,068	+2.3%
Ventura County	830,851	−1.5%
San Francisco County	826,079	−5.6%
San Joaquin County	823,815	+5.5%
San Mateo County	743,568	−2.5%
Stanislaus County	557,719	+0.7%
Sonoma County	486,444	−0.4%
Tulare County	485,146	+2.4%
Solano County	455,376	+0.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026