Demographics of Thousand Oaks city, California

Thousand Oaks city, California had 122,230 people on July 1, 2025, by the Census Bureau’s estimate: −4,580 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Thousand Oaks city, in four figures

122,230
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 125,205 ±97.; −3.6%
Change since July 2020: −4,580 people.; 44.9 ±1.0
Median age: ACS 2020–⁠2024.; $135,603 ±$4,488
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.

Thousand Oaks city, California's population shrank 3.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Thousand Oaks 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).

Source: The Census Bureau

About this chart

The figures

Thousand Oaks city, California's population shrank 3.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Thousand Oaks 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	126,810	100.0	100.0
2021	126,120	99.5	100.2
2022	124,677	98.3	100.7
2023	123,926	97.7	101.6
2024	123,617	97.5	102.5
2025	122,230	96.4	103.1

Population of Thousand Oaks city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	126,810	—
2021	126,120	−690
2022	124,677	−1,443
2023	123,926	−751
2024	123,617	−309
2025	122,230	−1,387

Age, 2020–2024

The median age is 44.9 ±1.0: for men 42.5 ±0.8 and for women 47.1 ±1.1. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Thousand Oaks city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	5,447 ±580	4.4% ±0.5	5.5% ±<0.1	5.6% ±<0.1
5 to 17	18,977 ±1,013	15.2% ±0.8	16.5% ±<0.1	16.3% ±<0.1
18 to 24	11,301 ±871	9.0% ±0.7	9.1% ±<0.1	9.1% ±<0.1
25 to 44	26,978 ±1,261	21.5% ±1.0	28.7% ±<0.1	26.9% ±<0.1
45 to 64	36,574 ±1,442	29.2% ±1.2	24.6% ±<0.1	24.8% ±<0.1
65 and over	25,928 ±1,238	20.7% ±1.0	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $135,603 ±$4,488, and income per person $66,591 ±$2,141, 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 Thousand Oaks city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	4,352 ±672	9.3% ±1.4	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	4,438 ±557	9.5% ±1.2	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	4,770 ±566	10.2% ±1.2	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	4,539 ±605	9.8% ±1.3	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	7,757 ±669	16.7% ±1.4	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	5,688 ±557	12.2% ±1.2	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	15,002 ±804	32.2% ±1.6	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).

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Poverty rate in Thousand Oaks city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	10,983 ±1,611	8.9% ±1.3	12.0% ±0.1	12.5% ±0.1
Under 18	2,458 ±584	10.1% ±2.3	15.0% ±0.1	16.1% ±0.1
18 to 59	5,507 ±950	8.6% ±1.5	11.0% ±0.1	11.6% ±0.1
60 and over	3,018 ±627	8.7% ±1.8	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Thousand Oaks city, ACS 2020–2024
Measure	Thousand Oaks city	California	United States
Housing units	48,084 ±866	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	96.8% ±0.3	92.5% ±0.1	89.9% ±0.1
Vacant	3.2% ±0.7	7.5% ±0.1	10.1% ±0.1
Owner occupied	70.8% ±1.6	55.9% ±0.3	65.2% ±0.3
Renter occupied	29.2% ±1.6	44.1% ±0.2	34.8% ±0.1
Median home value	$991,600 ±$16,885	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$2,664 ±$100	$2,036 ±$5	$1,413 ±$2
Median year built	1978 ±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

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People in Thousand Oaks city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	25,835 ±1,572	20.6% ±1.3	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	77,998 ±1,577	62.3% ±1.3	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	2,290 ±512	1.8% ±0.4	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	10,890 ±932	8.7% ±0.7	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	40 to 174	< 0.1% to 0.1%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 147	0% to 0.1%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,420 ±607	1.1% ±0.5	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	6,602 ±731	5.3% ±0.6	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 Thousand Oaks city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	70,727 ±1,884	56.5% ±1.5	56.5% ±0.1	57.3% ±<0.1
Born in another state	29,367 ±1,287	23.5% ±1.0	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	1,544 ±273	1.2% ±0.2	1.5% ±<0.1	1.7% ±<0.1
Born abroad	23,567 ±1,404	18.8% ±1.1	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	14,604 ±845	11.7% ±0.7	14.7% ±0.1	7.4% ±<0.1
Not citizens	8,963 ±1,201	7.2% ±1.0	12.3% ±0.1	6.8% ±<0.1

Thousand Oaks city among the places of California

47th 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 Thousand Oaks city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Orange city	138,266 ±77
Victorville city	137,627 ±74
Pasadena city	136,969 ±105
Santa Clara city	130,256 ±69
Simi Valley city	125,634 ±100
Thousand Oaks city	125,205 ±97
Clovis city	124,725 ±114
Vallejo city	124,268 ±96
Concord city	124,035 ±92
Fairfield city	120,785 ±65
Berkeley city	120,257 ±59

Elsewhere on the site

Reported crime in Thousand Oaks city, California

Rankings this appears in

No. 39 Places in California by median rent
No. 46 Places in California by median age
No. 78 Places in California by median household income
No. 79 Places by median rent
No. 102 Places in California by per capita income
No. 103 Places in California by median home value

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

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026