Thousand Oaks, California

Thousand Oaks population, 2020 to 2024

Thousand Oaks lost 2,585 residents from July 2020 to July 2024, a change of -2.0%. In the latest year it moved by +155. Among 429 California places of 5,000 or more, that growth ranks 282nd; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Thousand Oaks is 3.4 times that size.

Thousand Oaks covers 55.26 square miles of land and 0.14 of water, for 2,248 people per square mile of land. The median California place of 5,000+ has 3,725, so Thousand Oaks is less dense than the typical town.

What county Thousand Oaks is in

All of Thousand Oaks's residents live in Ventura County, which had 835,427 residents in 2024. Thousand Oaks holds 14.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Thousand Oaks

4 ZIP Code Tabulation Areas (ZCTAs) overlap Thousand Oaks by at least 10% of the ZCTA's or the city's land: 91320, 91360, 91361, 91362. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Thousand Oaks is

The Census internal point of Thousand Oaks is at 34.193300, -118.874200. Sacramento, the capital, is 336.1 miles NNW in a straight line. The nearest larger place is Simi Valley, CA (125,778 people), 8.8 miles away. The ground at the internal point is about 238 m (781 ft) above sea level.

Daylight in Thousand Oaks

At 34.19° N, Thousand Oaks gets about 14 h 26 min of daylight around the June solstice and 9 h 52 min around the December solstice, a swing of 4 h 34 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Thousand Oaks daylight page.

Places near Thousand Oaks

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Westlake Village, 5.1 miles away, with 7,593 people.