Residential delivery area · California
ZIP Code 91361: Westlake Village, CA
ZIP code 91361 uses the postal name Westlake Village, California and lies mostly in Ventura County (83% of its land) with the rest in Los Angeles County (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $144,900 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Thousand Oaks (24%), Westlake Village (14%) and Lake Sherwood (11%); 50% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Westlake Village · its only residential ZIP
- County
- Ventura County (83%); Los Angeles County (17%)
- Census places
- Thousand Oaks (24%); Westlake Village (14%); Lake Sherwood (11%) census-designated place
- Metro area
- Oxnard-Thousand Oaks-Ventura, CA
- House districts
- CA-26 (97%), CA-32 (3%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 28.9 sq mi · 651 people per sq mi
- PO Box ZIPs
- 91359 also use the name Westlake Village
Where is ZIP code 91361?
91361 centers on 34.137°, -118.882° and covers 28.9 square miles of land plus 0.7 of water. It borders 5 ZIP codes: 91320, 90265, 91362, 91360, 91301.
The map draws ZIP code areas only. For the streets inside 91361, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 91361 compare with the rest of Ventura County?
| Measure | 91361 | In Ventura County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 18,802 | 23rd of 34 | 839th of 1,802 |
| Median household income | $145k | 7th of 29 | 183rd of 1,189 |
| Median home value | $1.43M | 2nd of 30 | 158th of 1,317 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 91361?
The 2020 Census counted 20,262 people in 91361; the ACS, which samples households over 2020-2024, estimates 18,802. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 18,802
- 2020 Census count
- 20,262
- Households
- 7,667
- Median age
- 50.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 91361?
Of the 18,802 people the ACS estimates in 91361, 21.6% are under 18 and 26.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.1%), then Hispanic or Latino (11.1%).
- Under 1821.6%
- 18 to 6451.6%
- 65 and older26.9%
- White, not Hispanic72.1%
- Hispanic or Latino11.1%
- Other or two or more9.3%
- Asian, not Hispanic7.0%
- Black, not Hispanic0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 91361 earn?
Median household income is $144,900 (ACS 2020-2024), the 7th highest of the 29 ranked ZIP codes in Ventura County.
- Median household income
- $144,900±$14,702
- Income per person
- $90,911
- Below the poverty line
- 7.0%
- Unemployed (of the labor force)
- 4.6%
- Adults 25+ with a bachelor's degree
- 60.9%
- Adjusted gross income per tax return, 2022
- $316,61810,220 returns; wages 47% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 91361?
FHFA's house price index for 91361, built from repeat sales and appraisals of the same homes, rose 62% from 2015 to 2025 and rose 41% from 2020 to 2025.
- Median home value (owners' estimate)
- $1,433,300
- Median gross rent
- $2,827
- Homes owned by their occupants
- 69.7%
- Housing units
- 8,295
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 91361?
1,650 business establishments had a location in this ZIP code in 2023, 107 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services400
- Health care and social assistance301
- Finance and insurance222
- Real estate and rental and leasing139
- Retail trade82
- Arts, entertainment, and recreation78
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 91361?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91320 | Newbury Park | 43,472 | $149k | 4.5 mi |
| 90265 | Malibu | 15,918 | $197k | 5.0 mi |
| 91362 | Thousand Oaks | 35,996 | $140k | 5.2 mi |
| 91360 | Thousand Oaks | 42,236 | $119k | 5.3 mi |
| 91301 | Agoura Hills | 23,879 | $163k | 7.1 mi |
| 91377 | Oak Park | 13,757 | $163k | 7.4 mi (near) |
| 93012 | Camarillo | 35,791 | $135k | 7.7 mi (near) |
| 93065 | Simi Valley | 73,534 | $121k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Westlake Village?
1 more ZIP code carries the postal name Westlake Village, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 91359 | Ventura County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.