94553 ZIP Code — Martinez, CA
Contra Costa County, California
ZIP code 94553 is located in Martinez, California, within Contra Costa County. It covers approximately 61.64 square miles and serves a population of 49,062 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 925.
About ZIP code 94553
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $723,400. Owner-occupancy sits near the national average at 72%.
The gap between median ($118,704) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.
49,062
population
61.64
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
94553 ZIP code map
Cities in ZIP code 94553
Below are the cities the US Postal Service accepts for ZIP code 94553. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Martinez | Acceptable |
| Martinez | Acceptable |
| Martinez | Preferred |
Nearby ZIP codes
94523 Pleasant Hill (4.4 mi)
94597 Walnut Creek (5.9 mi)
94597 Walnut Creek (5.9 mi)
94572 Rodeo (6.1 mi)
94547 Hercules (6.1 mi)
94549 Lafayette (6.4 mi)
94525 Crockett (6.5 mi)
94529 Concord (6.8 mi)
94520 Concord (6.8 mi)
94803 El Sobrante (7 mi)
94564 Pinole (7 mi)
94518 Concord (7.4 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 49,062 |
| Population density | 796 / sq mi |
| State FIPS | 06 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 61.64 sq mi |
| Water area | 3.26 sq mi |
| Latitude | 37.9751 |
| Longitude | -122.1548 |
| Timezone | Pacific (PT) |
| Area code | 925 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 21.0% | 23.2% | 32.6% |
| $50k – $100k | 26.1% | 25.1% | 27.7% |
| $100k – $200k | 34.0% | 31.3% | 26.4% |
| Over $200k | 19.0% | 20.4% | 13.3% |
Demographics & statistics
49,062
Population
796
People per sq mi
42.2
Median age
$118,704
Median household income
$58,883
Per capita income
$723,400
Median home value
$2,170
Median monthly rent
72.0%
Home ownership
6.4%
Poverty rate
5.2%
Unemployment
14,581
Housing units
41.6%
Bachelor's or higher
Age distribution
Male
Female
1,578
Under 5
1,581
1,438
5–9
1,441
1,324
10–14
1,326
1,044
15–19
1,046
1,284
20–24
1,287
2,828
25–34
2,833
3,831
35–44
3,838
3,421
45–54
3,428
1,801
55–59
1,805
1,780
60–64
1,784
2,440
65–74
2,445
1,209
75–84
1,212
528
85+
530
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 10,043 | 20.5% |
| 18 and over | 39,019 | 79.5% |
| 65 and over | 8,364 | 17.0% |
| Median age | 42.2 years | |
Race & ethnicity
White
59%
Two or more races
13.3%
Hispanic or Latino
10.4%
Asian
9.6%
Other race
3.7%
Black or African American
3.3%
American Indian / Alaska Native
0.8%
| Group | Count | % |
|---|---|---|
| White | 32,314 | 59% |
| Two or more races | 7,260 | 13.3% |
| Hispanic or Latino | 5,681 | 10.4% |
| Asian | 5,232 | 9.6% |
| Other race | 2,014 | 3.7% |
| Black or African American | 1,803 | 3.3% |
| American Indian / Alaska Native | 439 | 0.8% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 21.0% | 23.2% | 32.6% |
| $50k – $100k | 26.1% | 25.1% | 27.7% |
| $100k – $200k | 34.0% | 31.3% | 26.4% |
| Over $200k | 19.0% | 20.4% | 13.3% |
Under $10k
4.1%
$10k–$15k
1.7%
$15k–$25k
3.2%
$25k–$35k
3.7%
$35k–$50k
6.0%
$50k–$75k
10.3%
$75k–$100k
11.9%
$100k–$150k
20.1%
$150k–$200k
15.2%
$200k+
23.8%
| Range | % of households |
|---|---|
| Under $10k | 4.1% |
| $10k–$15k | 1.7% |
| $15k–$25k | 3.2% |
| $25k–$35k | 3.7% |
| $35k–$50k | 6.0% |
| $50k–$75k | 10.3% |
| $75k–$100k | 11.9% |
| $100k–$150k | 20.1% |
| $150k–$200k | 15.2% |
| $200k+ | 23.8% |
| Median income | $118,704 |
Housing
Home values
Under $50k
1.7%
$50k–$100k
3.5%
$100k–$150k
1.5%
$150k–$200k
0.5%
$200k–$300k
3.1%
$300k–$500k
11.3%
$500k–$1M
62.5%
$1M+
16.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $723,400 |
| Median rent / month | $2,170 |
| Owner occupied | 72.0% |
| Renter occupied | 28.0% |
| Vacant | 3.9% |
| Single-family detached | 63.7% |
| Large apartment buildings | 4.9% |
| Mobile homes | 4.8% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.61 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 1.9% |
| 2000–2009 | 5.4% |
| 1990–1999 | 10.0% |
| 1980–1989 | 22.1% |
| 1970–1979 | 21.9% |
| 1960–1969 | 12.7% |
| 1950–1959 | 10.8% |
| 1940–1949 | 4.8% |
| 1939 or earlier | 10.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.8% |
| 1 bedroom | 8.2% |
| 2 bedrooms | 24.4% |
| 3 bedrooms | 40.2% |
| 4 bedrooms | 21.3% |
| 5+ bedrooms | 4.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.9% |
| 1 vehicle | 29.2% |
| 2 vehicles | 41.5% |
| 3 or more | 26.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 69.8% |
| Electricity | 25.1% |
| Propane / LP gas | 2.0% |
| Wood | 0.9% |
| Solar | 0.9% |
| No fuel used | 1.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,753 | 50.9% |
| Cohabiting couple | 1,654 | 8.6% |
| Male householder, no spouse | 2,839 | 14.8% |
| Female householder, no spouse | 4,928 | 25.7% |
| Households with children under 18 | 6,104 | 31.8% |
| Households with seniors (65+) | 5,912 | 30.8% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 34.1% | 25.8% |
| Married | 53.6% | 49.9% |
| Separated | 1.9% | 1.4% |
| Widowed | 1.8% | 6.6% |
| Divorced | 8.6% | 16.3% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
4.3%
HS graduate
18.1%
Some college, no degree
23.3%
Associate's degree
10.8%
Bachelor's degree
27.8%
Graduate / professional
13.9%
| Metric | % |
|---|---|
| HS diploma or higher | 93.9% |
| Bachelor's or higher | 41.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 1,271 | 11.9% |
| Kindergarten | 608 | 5.7% |
| Elementary school | 4,186 | 39.0% |
| High school | 1,889 | 17.6% |
| College / grad school | 2,766 | 25.8% |
Employment
Industry of employment
Education & healthcare
23.7%
Professional & management
15.0%
Retail trade
11.4%
Construction
9.2%
Public administration
7.8%
Finance & real estate
7.0%
Arts, food & hospitality
5.9%
Manufacturing
5.4%
Other services
5.3%
Transportation & utilities
4.2%
Information
2.8%
Wholesale trade
2.0%
Agriculture & mining
0.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 48.4% |
| Service | 14.5% |
| Sales & office | 20.7% |
| Natural resources & construction | 7.2% |
| Production & transportation | 9.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.4% |
| Government | 19.7% |
| Self-employed | 5.8% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 66.8% |
| Carpool | 8.6% |
| Public transit | 4.5% |
| Walk | 2.7% |
| Work from home | 15.7% |
| Other means | 1.8% |
| Avg commute (minutes) | 31.1 |
Poverty
All people
6.4%
Under 18 years
3.9%
18 and over
7.0%
Married-couple families
2.1%
Female-led households
12.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.4% |
| Retirement income | 26.8% |
| Supplemental Security | 4.7% |
| Cash public assistance | 4.1% |
| Food stamps / SNAP | 6.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 28.8% |
| High blood pressure | 25.8% |
| High cholesterol | 29.3% |
| Diabetes | 8.3% |
| Heart disease | 4.9% |
| Stroke | 2.3% |
| Asthma | 9.6% |
| Arthritis | 21.7% |
| Kidney disease | 2.4% |
| Pulmonary disease | 5.2% |
| Cancer | 6.2% |
| Behavior / access | % |
|---|---|
| Smoking | 10.9% |
| Binge drinking | 19.5% |
| No physical activity | 16.8% |
| Less than 7 hrs sleep | 30.4% |
| Depression | 17.7% |
| Fair or poor health | 11.5% |
| Poor mental health | 13.7% |
| Poor physical health | 8.9% |
| No health insurance | 8.7% |
| Visited doctor (checkup) | 65.0% |
| Visited dentist | 71.8% |
| Cholesterol screening | 92.0% |
| Teeth loss | 7.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,630 | 6.7% |
| Disability | % |
|---|---|
| Any disability | 13.1% |
| Under 18 | 4.7% |
| 18–64 years | 10.6% |
| 65 and over | 32.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 81.1% |
| Public insurance | 29.2% |
| No insurance | 3.5% |
| Uninsured under 19 | 3.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 45,903 | 93.6% |
| Spanish | 2,200 | 4.8% |
| Other Indo-European | 875 | 1.9% |
| Asian & Pacific Islander | 442 | 1.0% |
| Other languages | 873 | 1.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 42,630 | 86.9% |
| Born in same state | 41,919 | 85.4% |
| Born in different state | 33,314 | 67.9% |
| Foreign born | 711 | 1.4% |
| Naturalized citizen | 6,432 | 13.1% |
| Not a US citizen | 4,503 | 70.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 6,670 | 13.6% |
| French | 6,287 | 12.8% |
| Arab | 2,019 | 4.1% |
| Polish | 1,103 | 2.2% |
| English | 540 | 1.1% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 211 | 0.4% |
| Irish | 174 | 0.4% |
| Norwegian | 101 | 0.2% |
| German | 91 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.1% |
| Internet access | 98.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94553
What city is ZIP code 94553 in?
ZIP code 94553 is primarily assigned to Martinez, California.
What county is ZIP code 94553 in?
ZIP code 94553 falls within Contra Costa County, California.
What is the typical home value in ZIP code 94553?
The median home value in ZIP code 94553 is $723,400.
What is the median household income in ZIP code 94553?
The median household income in ZIP code 94553 is $118,704, above the national median of ~$75,000.
What is the population of ZIP code 94553?
ZIP code 94553 has an estimated population of 49,062 residents, with a density of 796 people per square mile.
What timezone is ZIP code 94553 in?
ZIP code 94553 observes the PST timezone.