Demographics of Oceanside city, California

Oceanside city, California had 170,483 people on July 1, 2025, by the Census Bureau’s estimate: −3,581 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Oceanside city, in four figures

170,483
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 172,242 ±131.; −2.1%
Change since July 2020: −3,581 people.; 38.9 ±0.6
Median age: ACS 2020–⁠2024.; $97,737 ±$4,411
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Oceanside city, California's population shrank 2.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Oceanside city, 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 — incorporated places and New England towns

About this chart

The figures

Oceanside city, California's population shrank 2.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Oceanside city, 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	174,064	100.0	100.0
2021	173,046	99.4	100.2
2022	171,763	98.7	100.7
2023	170,812	98.1	101.6
2024	170,796	98.1	102.5
2025	170,483	97.9	103.1

Population of Oceanside city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	174,064	—
2021	173,046	−1,018
2022	171,763	−1,283
2023	170,812	−951
2024	170,796	−16
2025	170,483	−313

Age, 2020–2024

The median age is 38.9 ±0.6: for men 36.9 ±1.0 and for women 41.2 ±0.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Oceanside city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	9,601 ±819	5.6% ±0.5	5.5% ±<0.1	5.6% ±<0.1
5 to 17	25,201 ±1,407	14.6% ±0.8	16.5% ±<0.1	16.3% ±<0.1
18 to 24	14,908 ±1,098	8.7% ±0.6	9.1% ±<0.1	9.1% ±<0.1
25 to 44	50,031 ±1,722	29.0% ±1.0	28.7% ±<0.1	26.9% ±<0.1
45 to 64	43,282 ±1,552	25.1% ±0.9	24.6% ±<0.1	24.8% ±<0.1
65 and over	29,219 ±1,163	17.0% ±0.7	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $97,737 ±$4,411, and income per person $44,943 ±$1,083, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Oceanside city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	6,281 ±644	10.1% ±1.0	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	7,974 ±663	12.9% ±1.0	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	9,558 ±816	15.4% ±1.3	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	7,634 ±709	12.3% ±1.1	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	12,579 ±812	20.3% ±1.3	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	7,941 ±648	12.8% ±1.0	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	9,980 ±655	16.1% ±1.0	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).

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Poverty rate in Oceanside city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	14,151 ±1,447	8.3% ±0.8	12.0% ±0.1	12.5% ±0.1
Under 18	2,981 ±622	8.7% ±1.8	15.0% ±0.1	16.1% ±0.1
18 to 59	7,291 ±865	7.6% ±0.9	11.0% ±0.1	11.6% ±0.1
60 and over	3,879 ±475	9.6% ±1.1	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Oceanside city, ACS 2020–2024
Measure	Oceanside city	California	United States
Housing units	66,997 ±1,094	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	92.5% ±<0.1	92.5% ±0.1	89.9% ±0.1
Vacant	7.5% ±0.8	7.5% ±0.1	10.1% ±0.1
Owner occupied	58.3% ±1.6	55.9% ±0.3	65.2% ±0.3
Renter occupied	41.7% ±1.4	44.1% ±0.2	34.8% ±0.1
Median home value	$770,300 ±$12,686	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$2,303 ±$37	$2,036 ±$5	$1,413 ±$2
Median year built	1984 ±2	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

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People in Oceanside city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	64,577 ±2,339	37.5% ±1.4	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	73,314 ±2,451	42.6% ±1.4	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	7,175 ±1,003	4.2% ±0.6	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	14,188 ±1,162	8.2% ±0.7	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	28 to 176	< 0.1% to 0.1%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	933 ±367	0.5% ±0.2	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,080 ±371	0.6% ±0.2	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	10,873 ±1,224	6.3% ±0.7	4.4% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

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).

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People in Oceanside city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	89,803 ±2,136	52.1% ±1.2	56.5% ±0.1	57.3% ±<0.1
Born in another state	41,809 ±1,823	24.3% ±1.1	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	3,227 ±428	1.9% ±0.2	1.5% ±<0.1	1.7% ±<0.1
Born abroad	37,403 ±1,737	21.7% ±1.0	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	20,960 ±1,187	12.2% ±0.7	14.7% ±0.1	7.4% ±<0.1
Not citizens	16,443 ±1,481	9.5% ±0.9	12.3% ±0.1	6.8% ±<0.1

Oceanside city among the places of California

28th of 661 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the California page.

Places of California near Oceanside city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Glendale city	190,748 ±51
Ontario city	180,547 ±75
Elk Grove city	179,155 ±117
Santa Rosa city	177,090 ±70
Rancho Cucamonga city	175,411 ±81
Oceanside city	172,242 ±131
Garden Grove city	170,964 ±82
Lancaster city	169,169 ±59
Palmdale city	164,634 ±69
Salinas city	161,761 ±59
Corona city	159,670 ±80

Elsewhere on the site

Reported crime in Oceanside city, California

Sources

Census Bureau population estimates — incorporated places and New England towns — 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