Welcome to Thousand Oaks ...

The city of Thousand Oaks is located in Ventura County<1>.

While we don't have a date for the founding of Thousand Oaks, you might consider that their post office opened  in 1938.

The city was incorporated October 7, 1964.

From the  Census Estimates for 2019, Thousand Oaks has a population of 127,138 people<2> (see below for details).

Thousand Oaks is 800 feet [244 m] above sea level.<3>.

Time Zone: Thousand Oaks lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

The telephone area code for Thousand Oaks: (805)

The ZIP codes for Thousand Oaks: 91358, 91360, 91362<4>

Websites for Thousand Oaks ...

Official Website:   www.ci.thousand-oaks.ca.us/

Chamber of Commerce:   www.towlvchamber.org/

Population Details ...

Taken from the 2019 Census Estimates, Thousand Oaks had an population of 127,138 people. This is an increase of 0.36% since the 2010 Census (or an increase of 8.66% since the 2000 Census).

At the time of the 2010 Census, Thousand Oaks had a population of 126,683 people (or 15.39% of the total population of Ventura County). This makes Thousand Oaks the county's 2nd most populous community.

The population of Thousand Oaks represents 0.34% of the total population of California (which has 37,253,956 people), making it the state's 43rd most populous community.

With a 2010 count of 126,683 people, the population of Thousand Oaks increased 8.27% from the 2000 Census (which had a count of 117,005 people).

More information can be found on the Census Page for Thousand Oaks.

Communities Also Named Thousand Oaks ...

Using our Gazetteer, we found that there are two California communities named Thousand Oaks: This one is located in Ventura County and the other is located in Alameda County.

Beyond California, there are 3 communities that are also named Thousand Oaks - they are located in Florida and Missouri.

For more information, see our Tidbits & Trivia Page for Thousand Oaks.

Communities near Thousand Oaks ...

We have created a list of 10 communities that are near Thousand Oaks.

• Oxnard
  (19 miles [30.6 km] to the west)
  • Jump to our Gazetteer entry for Oxnard
  • Oxnard is located in Ventura County
  • Population from the 2020 Census: 207,945 people
  • Jump to TripAdvisor's Tourism page for Oxnard <5>
• Simi Valley
  (8 miles [12.9 km] to the northeast)
  • Jump to our Gazetteer entry for Simi Valley
  • Simi Valley is located in Ventura County
  • Population from the 2020 Census: 125,168 people
  • Jump to TripAdvisor's Tourism page for Simi Valley <5>
• Camarillo
  (11 miles [17.7 km] to the west)
  • Jump to our Gazetteer entry for Camarillo
  • Camarillo is located in Ventura County
  • Population from the 2020 Census: 69,521 people
  • Jump to TripAdvisor's Tourism page for Camarillo <5>
• Moorpark
  (8 miles [12.9 km] to the north)
  • Jump to our Gazetteer entry for Moorpark
  • Moorpark is located in Ventura County
  • Population from the 2020 Census: 36,202 people
  • Jump to TripAdvisor's Tourism page for Moorpark <5>
• Santa Paula
  (18 miles [29 km] to the northwest)
  • Jump to our Gazetteer entry for Santa Paula
  • Santa Paula is located in Ventura County
  • Population from the 2020 Census: 30,242 people
  • Jump to TripAdvisor's Tourism page for Santa Paula <5>
• Calabasas
  (10 miles [16.1 km] to the east)
  • Jump to our Gazetteer entry for Calabasas
  • Calabasas is located in Los Angeles County
  • Population from the 2020 Census: 23,688 people
  • Jump to TripAdvisor's Tourism page for Calabasas <5>
• Fillmore
  (16 miles [25.7 km] to the north)
  • Jump to our Gazetteer entry for Fillmore
  • Fillmore is located in Ventura County
  • Population from the 2020 Census: 15,604 people
  • Jump to TripAdvisor's Tourism page for Fillmore <5>
• Malibu
  (10 miles [16.1 km] to the south)
  • Jump to our Gazetteer entry for Malibu
  • Malibu is located in Los Angeles County
  • Population from the 2020 Census: 11,519 people
  • Jump to TripAdvisor's Tourism page for Malibu <5>
• Hidden Hills
  (10 miles [16.1 km] to the east)
  • Jump to our Gazetteer entry for Hidden Hills
  • Hidden Hills is located in Los Angeles County
  • Population from the 2020 Census: 1,822 people
  • Jump to TripAdvisor's Tourism page for Hidden Hills <5>
• Agoura Hills
  (4 miles [6.4 km] to the east)
  • Jump to our Gazetteer entry for Agoura Hills
  • Agoura Hills is located in Los Angeles County
  • Population from the 2020 Census: 19,881 people
  • Jump to TripAdvisor's Tourism page for Agoura Hills <5>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Thousand Oaks. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Thousand Oaks.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Thousand Oaks. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Thousand Oaks.

We also have a detailed list of newspapers that have been published in the area around Thousand Oaks. Our list includes 14 papers. See our Newspapers Page for Thousand Oaks.

TripAdvisor Tourism Pages for Thousand Oaks ...

Looking for more information about Thousand Oaks? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Thousand Oaks, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Thousand Oaks.

Adding Thousand Oaks to Our Gazetteer ...

We originally found mention of Thousand Oaks in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Thousand Oaks was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Thousand Oaks post office opened in 1938.

For more details, see References and Mentions for Thousand Oaks.

Off-the-Road Links ...

The official website for Thousand Oaks: www.ci.thousand-oaks.ca.us/

The official website for Ventura County: www.countyofventura.org/

The official website for State of California: https://www.ca.gov/