Residential delivery area · California
ZIP Code 94561: Oakley, CA
ZIP code 94561 is in Oakley, California, entirely in Contra Costa County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $134,678 (Census Bureau, ACS 2020-2024). By Census place, 92% of its land lies in Oakley, and 4% in smaller places; 5% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Oakley · its only residential ZIP
- County
- Contra Costa County
- Census places
- Oakley
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-10 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 17.3 sq mi · 2,674 people per sq mi
Where is ZIP code 94561?
94561 centers on 37.993°, -121.691° and covers 17.3 square miles of land plus 0.4 of water. It borders 6 ZIP codes: 94548, 94511, 94513, 94531, 94509, 95219.
The map draws ZIP code areas only. For the streets inside 94561, 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 94561 compare with the rest of Contra Costa County?
| Measure | 94561 | In Contra Costa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 46,368 | 8th of 48 | 279th of 1,802 |
| Median household income | $135k | 20th of 41 | 243rd of 1,189 |
| Median home value | $660k | 36th of 43 | 726th of 1,317 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 87% 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 94561?
The 2020 Census counted 44,545 people in 94561; the ACS, which samples households over 2020-2024, estimates 46,368. Between the 2010 and 2020 censuses its population grew 22.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 46,368
- 2020 Census count
- 44,545+22.0% since 2010 (36,515)
- Households
- 14,105
- Median age
- 36.4
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 94561?
Of the 46,368 people the ACS estimates in 94561, 23.7% are under 18 and 11.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (40.9%), then Hispanic or Latino (34.3%).
- Under 1823.7%
- 18 to 6464.8%
- 65 and older11.5%
- White, not Hispanic40.9%
- Hispanic or Latino34.3%
- Asian, not Hispanic9.8%
- Black, not Hispanic9.3%
- Other or two or more5.8%
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 94561 earn?
Median household income is $134,678 (ACS 2020-2024), the 20th highest of the 41 ranked ZIP codes in Contra Costa County. It is not measurably different from 2015-2019 ($127,716 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $134,678
- Income per person
- $45,675
- Below the poverty line
- 6.5%
- Unemployed (of the labor force)
- 6.2%
- Adults 25+ with a bachelor's degree
- 24.4%
- Adjusted gross income per tax return, 2022
- $91,78521,140 returns; wages 83% 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 94561?
FHFA's house price index for 94561, built from repeat sales and appraisals of the same homes, rose 80% from 2015 to 2025 and rose 30% from 2020 to 2025, and moved −2.4% in 2025.
- Median home value (owners' estimate)
- $659,800
- Median gross rent
- $1,952
- Homes owned by their occupants
- 77.9%
- Housing units
- 14,603
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 94561?
469 business establishments had a location in this ZIP code in 2023, 83 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction129
- Health care and social assistance62
- Other services (except public administration)43
- Retail trade42
- Accommodation and food services37
- Real estate and rental and leasing34
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 94561?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94548 | Knightsen | 832 | $190k | 2.5 mi |
| 94511 | Bethel Island | 1,864 | $75k | 4.1 mi |
| 94513 | Brentwood | 69,755 | $142k | 4.7 mi |
| 94531 | Antioch | 46,387 | $121k | 5.4 mi |
| 94509 | Antioch | 70,090 | $86k | 6.6 mi |
| 95219 | Stockton | 31,713 | $112k | 10.2 mi |
| 94505 | Discovery Bay | 14,970 | $147k | 9.9 mi (near) |
| 94571 | Rio Vista | 10,974 | $88k | 11.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.