Residential delivery area · California
ZIP Code 94553: Martinez, CA
ZIP code 94553 uses the postal name Martinez, California and lies entirely in Contra Costa County (Census 2020 ZIP-county file). About 49,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $124,130 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Martinez (21%), Alhambra Valley (3%), Vine Hill (2%), Pacheco (1%) and Mountain View (under 1%); 73% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Martinez · its only residential ZIP
- County
- Contra Costa County
- Census places
- Martinez (21%); Alhambra Valley (3%) census-designated place; Vine Hill (2%) census-designated place; Pacheco (1%) census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House districts
- CA-10 (52%), CA-8 (48%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 61.6 sq mi · 789 people per sq mi
Where is ZIP code 94553?
94553 centers on 37.978°, -122.157° and covers 61.6 square miles of land plus 3.3 of water. It borders 11 ZIP codes: 94523, 94569, 94572, 94549, 94547, 94525, 94564, 94520, 94803, 94563 and more.
The map draws ZIP code areas only. For the streets inside 94553, 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 94553 compare with the rest of Contra Costa County?
| Measure | 94553 | In Contra Costa County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 48,643 | 5th of 48 | 241st of 1,802 |
| Median household income | $124k | 26th of 41 | 319th of 1,189 |
| Median home value | $826k | 26th of 43 | 531st of 1,317 |
Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 76% 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 94553?
The 2020 Census counted 49,756 people in 94553; the ACS, which samples households over 2020-2024, estimates 48,643. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 48,643
- 2020 Census count
- 49,756
- Households
- 19,141
- Median age
- 42.6
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 94553?
Of the 48,643 people the ACS estimates in 94553, 19.5% are under 18 and 18.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (58.1%), then Hispanic or Latino (20.2%).
- Under 1819.5%
- 18 to 6461.9%
- 65 and older18.6%
- White, not Hispanic58.1%
- Hispanic or Latino20.2%
- Asian, not Hispanic9.6%
- Other or two or more8.8%
- Black, not Hispanic3.3%
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 94553 earn?
Median household income is $124,130 (ACS 2020-2024), the 26th highest of the 41 ranked ZIP codes in Contra Costa County.
- Median household income
- $124,130
- Income per person
- $60,464
- Below the poverty line
- 8.0%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 42.9%
- Adjusted gross income per tax return, 2022
- $115,05724,050 returns; wages 70% 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 94553?
FHFA's house price index for 94553, built from repeat sales and appraisals of the same homes, rose 69% from 2015 to 2025 and rose 28% from 2020 to 2025, and moved −1.2% in 2025.
- Median home value (owners' estimate)
- $825,900
- Median gross rent
- $2,317
- Homes owned by their occupants
- 72.3%
- Housing units
- 19,677
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 94553?
1,141 business establishments had a location in this ZIP code in 2023, 60 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction198
- Professional, scientific, and technical services123
- Health care and social assistance122
- Other services (except public administration)116
- Retail trade112
- Accommodation and food services104
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 94553?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94523 | Pleasant Hill | 34,592 | $143k | 4.7 mi |
| 94569 | Port Costa | 296 | $39k | 4.9 mi |
| 94572 | Rodeo | 8,976 | $92k | 5.2 mi |
| 94549 | Lafayette | 28,420 | $235k | 5.7 mi |
| 94547 | Hercules | 26,302 | $129k | 5.8 mi |
| 94525 | Crockett | 3,372 | $111k | 6.2 mi |
| 94564 | Pinole | 18,761 | $128k | 6.3 mi |
| 94520 | Concord | 37,381 | $83k | 6.7 mi |
| 94803 | El Sobrante | 27,659 | $118k | 7.0 mi |
| 94563 | Orinda | 19,378 | $250k+ | 7.7 mi |
| 94565 | Pittsburg | 100,488 | $96k | 12.6 mi |
| 94597 | Walnut Creek | 23,129 | $132k | 6.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.