Residential delivery area · California
ZIP Code 94595: Walnut Creek, CA
ZIP code 94595 is in Walnut Creek, California, entirely in Contra Costa County (Census 2020 ZIP-county file). About 17,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Walnut Creek's 4 residential ZIP codes. Median household income is $100,552 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Walnut Creek (68%), Saranap (22%) and Castle Hill (10%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Walnut Creek · 4 residential ZIPs
- County
- Contra Costa County
- Census places
- Walnut Creek (68%); Saranap (22%) census-designated place; Castle Hill (10%) census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-10 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 5.2 sq mi · 3,256 people per sq mi
Where is ZIP code 94595?
94595 centers on 37.872°, -122.069° and covers 5.2 square miles of land. It borders 6 ZIP codes: 94596, 94597, 94549, 94556, 94507, 94583.
The map draws ZIP code areas only. For the streets inside 94595, 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 94595 compare with the rest of Walnut Creek?
| Measure | 94595 | In Walnut Creek | In Contra Costa County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 16,988 | 4th of 4 | 32nd of 48 | 873rd of 1,802 |
| Median household income | $101k | 4th of 4 | 34th of 41 | 577th of 1,189 |
| Median home value | $861k | 4th of 4 | 21st of 43 | 476th of 1,317 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 89% 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 94595?
The 2020 Census counted 17,716 people in 94595; the ACS, which samples households over 2020-2024, estimates 16,988. Between the 2010 and 2020 censuses its population grew 7.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 16,988
- 2020 Census count
- 17,716+7.9% since 2010 (16,425)
- Households
- 9,368
- Median age
- 69.2
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 94595?
Of the 16,988 people the ACS estimates in 94595, 11.2% are under 18 and 57.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.9%), then Asian (not Hispanic) (12.1%).
- Under 1811.2%
- 18 to 6430.9%
- 65 and older57.9%
- White, not Hispanic70.9%
- Asian, not Hispanic12.1%
- Hispanic or Latino9.0%
- Other or two or more6.5%
- Black, not Hispanic1.4%
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 94595 earn?
Median household income is $100,552 (ACS 2020-2024), the 34th highest of the 41 ranked ZIP codes in Contra Costa County. It is not measurably different from 2015-2019 ($93,967 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $100,552
- Income per person
- $86,558
- Below the poverty line
- 4.5%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 69.6%
- Adjusted gross income per tax return, 2022
- $169,1649,960 returns; wages 39% 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 94595?
FHFA's house price index for 94595, built from repeat sales and appraisals of the same homes, rose 51% from 2015 to 2025 and rose 28% from 2020 to 2025, and moved +3.9% in 2025.
- Median home value (owners' estimate)
- $860,600
- Median gross rent
- $2,557
- Homes owned by their occupants
- 81.9%
- Housing units
- 9,828
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 94595?
286 business establishments had a location in this ZIP code in 2023, 18 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services57
- Health care and social assistance55
- Other services (except public administration)28
- Real estate and rental and leasing25
- Retail trade23
- Construction21
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 94595?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94596 | Walnut Creek | 23,417 | $136k | 2.1 mi |
| 94597 | Walnut Creek | 23,129 | $132k | 3.2 mi |
| 94549 | Lafayette | 28,420 | $235k | 3.4 mi |
| 94556 | Moraga | 15,998 | $216k | 3.4 mi |
| 94507 | Alamo | 14,586 | $250k+ | 3.6 mi |
| 94583 | San Ramon | 39,583 | $185k | 8.2 mi |
| 94575 | Moraga | 975 | – | 3.1 mi (near) |
| 94598 | Walnut Creek | 27,206 | $186k | 4.3 mi (near) |
| 94523 | Pleasant Hill | 34,592 | $143k | 5.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.