Zip Code 94553
Martinez, California — Contra Costa County
📍 ZIP code 94553 is in Martinez, Contra Costa County, California.
ZIP code 94553 is located in Martinez, Contra Costa County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 48,600. The area code for ZIP code 94553 is 408.
Quick Answer
Zip code 94553 is in Martinez, California (Contra Costa County). It has a population of 48,600, median household income of $121,023, and median home value of $781,400.
Population
48,600
Income
$121,023
Home Value
$781,400
Climate
88°F / 35°F
About Zip Code 94553
Zip code 94553 is located in Martinez, California, within Contra Costa County. Home to approximately 48,600 residents, this area sits at an elevation of 355 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $121,023 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $781,400, and the cost of living index is 218 (118% above the national average of 100).
Summers average a high of 88°F while winters drop to 35°F. The area receives about 19 in of rain annually. The zip code covers 48.6 square miles of land area and 2.9 square miles of water.
Key Statistics
48,600
$121,023
$781,400
Pacific (PST/PDT)
408
355 ft
48.6 sq mi
42.3
19,626
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Compare With Nearby Zip Codes
| Metric | 94553 | 94523 | 94569 | 94520 | 94525 | 94519 |
|---|---|---|---|---|---|---|
| City | Martinez, CA | Concord, CA | Port Costa, CA | Concord, CA | Crockett, CA | Concord, CA |
| Population | 48,600 | 34,789 | 194 | 36,767 | 3,665 | 19,918 |
| Median Income | $121,023 | $142,622 | $0 | $79,790 | $101,850 | $123,366 |
| Home Value | $781,400 | $1,038,400 | $586,500 | $572,400 | $709,000 | $727,600 |
| Cost of Living | 218 | 250 | 211 | 164 | 200 | 205 |
| Median Age | 42.3 | 42.6 | 68.5 | 34.6 | 48.3 | 39.3 |
Cost of Living
100 = National Average. Martinez's cost of living is 118% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.5x
Demographics
Zip code 94553 has a population of 48,600 people with a median age of 42.3. There are 19,626 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Martinez (94553) population trend from 2010 to 2024
↑ 45.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
35°F
19 in
0 in
Martinez experiences warm summers with average highs around 88°F. Winters are mild with lows averaging 35°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$781,400
Median Household Income
$121,023
With 19,626 housing units across 48.6 square miles, 94553 has a housing density of 404 units per square mile. The home price-to-income ratio is 6.5x.
Location & Geography
Latitude
37.9939°
Longitude
-122.1364°
Land Area
48.6 sq mi
Water Area
2.9 sq mi
Nearby Zip Codes
Zip codes closest to 94553 (Martinez, CA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94553's $121,023. A way to compare Martinez to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 94553 (Martinez, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Martinez, California?
Martinez, California uses zip code 94553.
What county is zip code 94553 in?
Zip code 94553 is located in Contra Costa County, California.
What is the population of zip code 94553?
The population of zip code 94553 is 48,600 with a median age of 42.3.
Is 94553 in Martinez, California?
Yes, zip code 94553 is in Martinez, Contra Costa County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94553 in?
Zip code 94553 is in Martinez, California. It is part of Contra Costa County and uses the Pacific (PST/PDT) timezone.
What is zip code 94553?
Zip code 94553 is a U.S. postal code in Martinez, California (Contra Costa County). It has a population of 48,600 and covers 48.6 square miles.
What is the population of zip code 94553?
The population of zip code 94553 (Martinez, CA) is 48,600 with a median age of 42.3. There are approximately 19,626 housing units in this area.
What is the median income in zip code 94553?
The median household income in zip code 94553 (Martinez, CA) is $121,023 per year. The cost of living index is 218 (100 = national average).
What is the average home price in zip code 94553?
The median home value in zip code 94553 (Martinez, CA) is $781,400. The cost of living index is 218 compared to the national average of 100.
What county is zip code 94553 in?
Zip code 94553 is located in Contra Costa County, California. The primary city is Martinez.
What is the area code for zip code 94553?
Zip code 94553 in Martinez, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94553 a good place to live?
Zip code 94553 (Martinez, CA) has a cost of living index of 218 (100 = national average), a median household income of $121,023, and median home values of $781,400. The median age is 42.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94553?
The cost of living index for zip code 94553 (Martinez, CA) is 218, where 100 represents the national average. This area is above the national average. Median home value: $781,400.
What schools serve zip code 94553?
Zip code 94553 in Martinez, California is served by the local school district of Contra Costa County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.