Demographics of Camp Pendleton Mainside CDP, California

Camp Pendleton Mainside CDP, California had 9,501 ±1,660 people in the American Community Survey, averaged over 2020–2024. The Census Bureau’s yearly estimates do not cover it: they count incorporated places and towns, not census-designated places. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Camp Pendleton Mainside CDP, in four figures

9,501 ±1,660
Population: ACS 2020–⁠2024. The Bureau publishes no yearly estimate for a census-designated place.; 506th
Among California's places: Of 661 of 5,000 or more, by the survey's count.; 21.6 ±0.4
Median age: ACS 2020–⁠2024.; $29,038 to $94,112
Median household income: ACS 2020–⁠2024, in 2024 dollars.

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%.

Age, 2020–2024

The median age is 21.6 ±0.4: for men 21.6 ±0.4 and for women 21.4 ±1.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Camp Pendleton Mainside CDP by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	864 ±384	9.1% ±3.7	5.5% ±<0.1	5.6% ±<0.1
5 to 17	395 to 1,395	4.4% to 14.4%	16.5% ±<0.1	16.3% ±<0.1
18 to 24	5,358 ±656	56.4% ±12.0	9.1% ±<0.1	9.1% ±<0.1
25 to 44	2,217 ±502	23.3% ±3.4	28.7% ±<0.1	26.9% ±<0.1
45 to 64	17 to 307	0.2% to 3.2%	24.6% ±<0.1	24.8% ±<0.1
65 and over	0 to 66	0% to 0.7%	15.7% ±<0.1	17.2% ±<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%.

Income and poverty, 2020–2024

Median household income is $29,038 to $94,112, and income per person $26,182 ±$3,150, 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 Camp Pendleton Mainside CDP by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	0 to 212	0% to 19.0%	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	128 to 672	14.7% to 57.8%	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	29 to 385	3.9% to 33.7%	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	0 to 128	0% to 11.4%	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	18 to 402	2.8% to 35.3%	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	0 to 191	0.4% to 16.8%	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	0 to 110	0% to 9.7%	20.5% ±0.1	13.4% ±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%.

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 Camp Pendleton Mainside CDP by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	0 to 618	0% to 14.7%	12.0% ±0.1	12.5% ±0.1
Under 18	0 to 192	0% to 10.7%	15.0% ±0.1	16.1% ±0.1
18 to 59	0 to 433	0% to 17.9%	11.0% ±0.1	11.6% ±0.1
60 and over	0 to 33	Not published	11.5% ±0.1	11.0% ±<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%.

Housing, 2020–2024

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Housing in Camp Pendleton Mainside CDP, ACS 2020–2024
Measure	Camp Pendleton Mainside CDP	California	United States
Housing units	1,145 ±353	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	96.3% ±11.6	92.5% ±0.1	89.9% ±0.1
Vacant	0% to 9.6%	7.5% ±0.1	10.1% ±0.1
Owner occupied	0% to 1.7%	55.9% ±0.3	65.2% ±0.3
Renter occupied	100.0% ±<0.1	44.1% ±0.2	34.8% ±0.1
Median home value	Not computed by the Bureau	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	At the edge of the top or bottom interval	$2,036 ±$5	$1,413 ±$2
Median year built	1995 ±6	1976 ±1	1980 ±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%.

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 Camp Pendleton Mainside CDP by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	3,415 ±796	35.9% ±5.5	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,279 ±1,209	45.0% ±10.0	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	816 ±279	8.6% ±2.5	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	394 ±184	4.1% ±1.8	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	22 to 128	0.2% to 1.3%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	26 to 96	0.3% to 1.0%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 34	0% to 0.4%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	103 to 789	1.2% to 8.2%	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 Camp Pendleton Mainside CDP by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	2,158 ±618	22.7% ±5.2	56.5% ±0.1	57.3% ±<0.1
Born in another state	6,418 ±1,350	67.6% ±7.9	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	92 to 448	1.0% to 4.6%	1.5% ±<0.1	1.7% ±<0.1
Born abroad	655 ±246	6.9% ±2.3	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	323 ±153	3.4% ±1.5	14.7% ±0.1	7.4% ±<0.1
Not citizens	141 to 523	1.6% to 5.4%	12.3% ±0.1	6.8% ±<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%.

Camp Pendleton Mainside CDP among the places of California

506th 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 Camp Pendleton Mainside CDP in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Crestline CDP	9,835 ±1,547
Orange Cove city	9,695 ±42
Capitola city	9,689 ±63
Templeton CDP	9,580 ±1,147
Mentone CDP	9,514 ±1,181
Camp Pendleton Mainside CDP	9,501 ±1,660
Spring Valley Lake CDP	9,483 ±1,146
Charter Oak CDP	9,442 ±1,205
Plumas Lake CDP	9,418 ±833
Live Oak city	9,347 ±29
Waterford city	9,204 ±37

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