Residential delivery area · California
ZIP Code 94803: El Sobrante, CA
ZIP code 94803 uses the postal name El Sobrante, California and lies entirely in Contra Costa County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $118,447 (Census Bureau, ACS 2020-2024). Most of its land (61%) lies in the city of Richmond; 23% is in El Sobrante.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- El Sobrante · its only residential ZIP
- County
- Contra Costa County
- Census places
- Richmond (61%); El Sobrante (23%) census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-8 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 12.8 sq mi · 2,158 people per sq mi
- PO Box ZIPs
- 94820 also use the name El Sobrante
Where is ZIP code 94803?
94803 centers on 37.957°, -122.282° and covers 12.8 square miles of land. It borders 7 ZIP codes: 94564, 94805, 94530, 94806, 94708, 94553, 94563.
The map draws ZIP code areas only. For the streets inside 94803, 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 94803 compare with the rest of Contra Costa County?
| Measure | 94803 | In Contra Costa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 27,659 | 21st of 48 | 656th of 1,802 |
| Median household income | $118k | 29th of 41 | 366th of 1,189 |
| Median home value | $784k | 28th of 43 | 595th of 1,317 |
Its median household income is higher than in 90% of U.S. residential ZIP codes, and it is denser than 85% 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 94803?
The 2020 Census counted 26,457 people in 94803; the ACS, which samples households over 2020-2024, estimates 27,659. Between the 2010 and 2020 censuses its population grew 6.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,659
- 2020 Census count
- 26,457+6.2% since 2010 (24,904)
- Households
- 9,562
- Median age
- 42.3
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 94803?
Of the 27,659 people the ACS estimates in 94803, 18.3% are under 18 and 20.7% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (29.4%), then White (not Hispanic) (27.4%).
- Under 1818.3%
- 18 to 6461.0%
- 65 and older20.7%
- Hispanic or Latino29.4%
- White, not Hispanic27.4%
- Asian, not Hispanic23.6%
- Black, not Hispanic12.7%
- Other or two or more6.9%
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 94803 earn?
Median household income is $118,447 (ACS 2020-2024), the 29th highest of the 41 ranked ZIP codes in Contra Costa County. It is not measurably different from 2015-2019 ($110,246 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $118,447
- Income per person
- $52,959
- Below the poverty line
- 9.4%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 41.8%
- Adjusted gross income per tax return, 2022
- $92,56712,610 returns; wages 71% 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 94803?
FHFA's house price index for 94803, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 25% from 2020 to 2025, and moved −1.4% in 2025.
- Median home value (owners' estimate)
- $783,900
- Median gross rent
- $2,302
- Homes owned by their occupants
- 72.8%
- Housing units
- 10,127
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 94803?
374 business establishments had a location in this ZIP code in 2023, 29 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction64
- Other services (except public administration)49
- Professional, scientific, and technical services45
- Health care and social assistance42
- Retail trade38
- Accommodation and food services32
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 94803?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94564 | Pinole | 18,761 | $128k | 2.4 mi |
| 94805 | Richmond | 14,670 | $111k | 2.5 mi |
| 94530 | El Cerrito | 26,401 | $129k | 2.7 mi |
| 94806 | San Pablo | 62,546 | $86k | 3.3 mi |
| 94708 | Berkeley | 11,947 | $235k | 3.9 mi |
| 94553 | Martinez | 48,643 | $124k | 7.0 mi |
| 94563 | Orinda | 19,378 | $250k+ | 7.1 mi |
| 94547 | Hercules | 26,302 | $129k | 3.7 mi (near) |
| 94707 | Berkeley | 12,811 | $213k | 4.0 mi (near) |
| 94804 | Richmond | 44,891 | $91k | 4.2 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 El Sobrante?
1 more ZIP code carries the postal name El Sobrante, 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 |
|---|---|
| 94820 | Contra Costa 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.