Is Thousand Oaks, CA growing?

Name: Growth in Thousand Oaks, CA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Thousand Oaks, CA had an estimated 125,205 (±97) residents in 2020–2024, against 127,873 in 2015–2019.

That is a change of −2.1%, a measurable decrease.

Its housing went from 47,930 to 48,084 homes (+0.3%), not a measurable change.

0.5% of today’s homes were built in 2020 or later.

Figures last updated on November 12, 2026.

Residents now: 125,205 (±97)
Amount of change: −2.1%
Homes change: +0.3%
Built 2020 or later: 0.5%

Residents and homes in Thousand Oaks, 2015–2019 and 2020–2024

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Residents	127,873 (±76)	125,205 (±97)	−2.1%	Measurable decrease
Housing units	47,930 (±625)	48,084 (±866)	+0.3%	Not a measurable change
Households that rent	29.9% (±1.3 points)	29.2% (±1.6 points)	−0.7 percentage points	Not a measurable change
Median gross rent	$2,101 (±$77)	$2,664 (±$100)	+26.8%	No measurable change after inflation
Median home value	$726,100 (±$9,938)	$991,600 (±$16,885)	+36.6%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Growth in Thousand Oaks against Ventura County, its state and the nation

Change between 2015–2019 and 2020–2024
	Residents	Verdict	Housing units
Thousand Oaks	−2.1%	Measurable decrease	+0.3%
Ventura County	−1.2%	Measurable decrease	+2.4%
California	0.0%	Measurable increase	+3.3%
United States	+3.1%	Measurable increase	+4.6%

A change in a place’s boundaries between the two periods (an annexation, say) changes its counts as well; the Census Bureau’s figures are for the place as it was drawn in each period.

New homes in Thousand Oaks

Housing units by year built, 2020–2024
Year built	Thousand Oaks	Ventura County	California	United States
2020 or later	0.5% (±0.3 points)	1.0%	1.3%	2.0%
2010 to 2019	2.5% (±0.9 points)	5.2%	6.5%	9.4%
2000 to 2009	10.2% (±1.0 points)	10.8%	11.2%	13.6%

3.0% of the homes in Thousand Oaks were built in 2010 or later.

The median age of residents is 44.9 years.

Growth in places near Thousand Oaks

Change in residents between 2015–2019 and 2020–2024
Place	Distance	Residents now	Amount of change	Verdict
Thousand Oaks	—	125,205	−2.1%	Measurable decrease
Santa Rosa Valley	4.0 mi	2,780	−7.8%	Not a measurable change
Casa Conejo	4.1 mi	2,671	−20.8%	Measurable decrease
Lake Sherwood	4.3 mi	1,633	−2.6%	Not a measurable change
Westlake Village	5.1 mi	7,743	−7.4%	Measurable decrease
Oak Park	6.2 mi	13,757	−0.7%	Not a measurable change
Moorpark	6.4 mi	35,854	−1.4%	Measurable decrease
Agoura Hills	7.0 mi	19,721	−4.0%	Measurable decrease
Simi Valley	8.8 mi	125,634	−0.2%	Measurable decrease

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Thousand Oaks

Is Thousand Oaks growing?

Thousand Oaks, CA had an estimated 125,205 residents in 2020–2024 and 127,873 in 2015–2019, a change of −2.1%: a measurable decrease by the Census Bureau’s test.

How many homes have been added in Thousand Oaks?

The estimated number of housing units went from 47,930 in 2015–2019 to 48,084 in 2020–2024 (+0.3%), not a measurable change.

How much new construction is there in Thousand Oaks?

0.5% of homes in Thousand Oaks were built in 2020 or later and 2.5% between 2010 and 2019.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Thousand Oaks city, California (place:78582, in state:06).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25001_001E, B25001_001M, DP04_0047PE, DP04_0047PM, B25064_001E, B25064_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0017PE, DP04_0017PM, DP04_0018PE, DP04_0018PM, DP05_0018E, DP05_0018M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.