94531 ZIP Code
Antioch, California
December 30, 2025
| ZIP Code: | 94531 |
| City/Town: | Antioch |
| County: | Contra Costa |
| State: | California |
| ZIP Type: | Standard |
| Population: | 44,115 |
| Median Household Income: | $115,300 |
| Per Capita Income: | $50,853 |
| Total Housing Units: | 13,568 |
| Median Home Value: | $624,900 |
| Land Area: | sq miles
0.0 sq km |
| Water Area: | sq miles
0.0 sq km |
| Coordinates: | 37.9209, -121.7239 |
Population Information (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 44,115 | -- | -- |
| Male: | 20,813 | 47.2% | 49.6% |
| Female: | 23,302 | 52.8% | 50.4% |
| Median Age: | 39.1 yrs | -- | 38.5 yrs |
| Under 5 years: | 2,450 | 5.6% | 5.7% |
| 5 to 9 years: | 2,551 | 5.8% | 6.0% |
| 10 to 14 years: | 2,751 | 6.2% | 6.5% |
| 15 to 19 years: | 3,190 | 7.2% | 6.6% |
| 20 to 24 years: | 2,850 | 6.5% | 6.7% |
| 25 to 34 years: | 6,389 | 14.5% | 13.7% |
| 35 to 44 years: | 5,757 | 13.0% | 12.9% |
| 45 to 54 years: | 5,783 | 13.1% | 12.4% |
| 55 to 59 years: | 3,486 | 7.9% | 6.5% |
| 60 to 64 years: | 3,173 | 7.2% | 6.4% |
| 65 to 74 years: | 3,696 | 8.4% | 9.7% |
| 75 to 84 years: | 1,395 | 3.2% | 4.8% |
| 85 years and over: | 644 | 1.5% | 2.0% |
Housing Information (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $624,900 | -- | $281,900 |
| Median rooms: | 6.8 | -- | 5.5 |
| Median rent: | $2,800 / mo. | -- | $1,268 / mo. |
| Total housing units: | 13,568 | -- | -- |
| Occupied housing units: | 13,233 | 97.5% | 38.0% |
| Vacant housing units: | 335 | 2.5% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 9,544 | 72.1% | 64.8% |
| Renter-occupied: | 3,689 | 27.9% | 35.2% |
Educational Attainment (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 30,323 | -- | -- |
| Less than 9th grade: | 1,536 | 5.1% | 4.7% |
| 9th to 12th grade, no diploma: | 1,860 | 6.1% | 6.1% |
| High school graduate: | 6,938 | 22.9% | 26.4% |
| Some college, no degree: | 7,336 | 24.2% | 19.7% |
| Associate degree: | 3,549 | 11.7% | 8.7% |
| Bachelor's degree: | 6,420 | 21.2% | 20.9% |
| Graduate or professional degree: | 2,684 | 8.9% | 13.7% |
| Percent high school graduate or higher: | -- | 88.8% | 89.1% |
| Percent bachelor's degree or higher: | -- | 30.0% | 34.3% |
Income Information (94531 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $115,300 / yr. | $75,149 / yr. |
| Mean household income: | $137,629 / yr. | $105,833 / yr. |
| Median family income: | $127,420 / yr. | $92,646 / yr. |
| Per capita income: | $50,853 / yr. | $41,261 / yr. |
Employment (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 23,783 | -- | 63.5% |
| Employed: | 22,078 | 93.1% | 96.4% |
| Unemployed: | 1,630 | 6.9% | 5.3% |
| Not in labor force: | 11,913 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 17,161 | 77.7% | 79.7% |
| Government workers: | 3,804 | 17.2% | 14.2% |
| Self-employed: | 1,034 | 4.7% | 5.9% |
| Unpaid family workers: | 79 | 0.4% | 0.1% |
Race & Ethnicity (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 13,230 | 30.0% | 61.6% |
| Black or African American: | 10,989 | 24.9% | 12.4% |
| American Indian/Alaska Native: | 259 | 0.6% | 1.1% |
| Asian: | 9,092 | 20.6% | 6.0% |
| Native Hawaiian/Pacific Islander: | 313 | 0.7% | 0.2% |
| Some other race: | 4,852 | 11.0% | 8.4% |
| Two or more races: | 5,380 | 12.2% | 10.2% |
| Hispanic or Latino (any race): | 7,426 | 16.8% | 18.7% |
| Mexican: | 10,882 | 24.7% | 11.2% |
| Puerto Rican: | 6,487 | 14.7% | 1.8% |
| Cuban: | 705 | 1.6% | 0.7% |
| Other Hispanic or Latino: | 30 | 0.1% | 5.0% |
| Not Hispanic or Latino: | 3,660 | 8.3% | 81.1% |
Income Distribution (94531 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 109 | 0.8% | 4.9% |
| $10,000 to $14,999: | 218 | 1.6% | 3.8% |
| $15,000 to $24,999: | 374 | 2.8% | 7.0% |
| $25,000 to $34,999: | 686 | 5.2% | 7.4% |
| $35,000 to $49,999: | 1,107 | 8.4% | 10.7% |
| $50,000 to $74,999: | 1,273 | 9.6% | 16.1% |
| $75,000 to $99,999: | 1,832 | 13.8% | 12.8% |
| $100,000 to $149,999: | 2,724 | 20.6% | 17.1% |
| $150,000 to $199,999: | 1,928 | 14.6% | 8.8% |
| $200,000 or more: | 2,982 | 22.5% | 11.4% |
Commute to Work (94531 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 13,992 | 63.4% | 67.8% |
| Carpooled: | 2,454 | 11.1% | 8.7% |
| Public transportation: | 1,586 | 7.2% | 4.2% |
| Walked: | 201 | 0.9% | 2.5% |
| Other means: | 317 | 1.4% | 0.9% |
| Worked from home: | 2,976 | 13.5% | 13.8% |
| Mean travel time to work: | 49.3 min | -- | 26.7 min |
Industry (94531 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 49 | 0.2% | 1.6% |
| Construction: | 1,148 | 5.2% | 6.9% |
| Manufacturing: | 1,288 | 5.8% | 10.0% |
| Wholesale trade: | 388 | 1.8% | 2.4% |
| Retail trade: | 2,581 | 11.7% | 11.0% |
| Transportation, warehousing, utilities: | 1,885 | 8.5% | 5.8% |
| Information: | 477 | 2.2% | 1.9% |
| Finance, insurance, real estate: | 1,774 | 8.0% | 6.7% |
| Professional, scientific, management: | 2,909 | 13.2% | 12.1% |
| Education, health care, social services: | 5,343 | 24.2% | 23.3% |
| Arts, entertainment, food services: | 1,672 | 7.6% | 9.0% |
| Other services: | 1,113 | 5.0% | 4.7% |
| Public administration: | 1,451 | 6.6% | 4.7% |
Poverty Status (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 8.0% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 42,174 | 95.6% | 91.3% |
| Private health insurance: | 31,345 | 71.1% | 67.6% |
| Public health coverage: | 15,678 | 35.5% | 35.9% |
| Without health insurance: | 1,827 | 4.1% | 8.7% |
Benefits & Assistance (94531 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 11,714 | 88.5% | 77.4% |
| Social Security income: | 3,884 | 29.4% | 31.0% |
| Retirement income: | 3,435 | 26.0% | 21.8% |
| Supplemental Security Income (SSI): | 1,142 | 8.6% | 4.5% |
| Cash public assistance income: | 903 | 6.8% | 1.8% |
| SNAP (food stamps) benefits: | 1,499 | 11.3% | 11.4% |
Housing Types (94531 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 12,205 | 90.0% | 61.4% |
| 1-unit, attached: | 307 | 2.3% | 6.1% |
| 2 units: | 37 | 0.3% | 3.4% |
| 3 or 4 units: | 190 | 1.4% | 4.3% |
| 5 to 9 units: | 103 | 0.8% | 4.6% |
| 10 to 19 units: | 175 | 1.3% | 4.3% |
| 20 or more units: | 544 | 4.0% | 9.9% |
| Mobile home: | 7 | 0.1% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (94531 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 239 | 1.8% | 0.6% |
| Built 2010 to 2019: | 614 | 4.5% | 8.2% |
| Built 2000 to 2009: | 3,987 | 29.4% | 13.5% |
| Built 1990 to 1999: | 5,790 | 42.7% | 13.2% |
| Built 1980 to 1989: | 2,346 | 17.3% | 13.2% |
| Built 1970 to 1979: | 198 | 1.5% | 14.6% |
| Built 1960 to 1969: | 125 | 0.9% | 10.2% |
| Built 1950 to 1959: | 131 | 1.0% | 9.9% |
| Built 1940 to 1949: | 120 | 0.9% | 4.6% |
| Built 1939 or earlier: | 18 | 0.1% | 12.0% |
Bedrooms (94531 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 152 | 1.1% | 2.4% |
| 1 bedroom: | 549 | 4.0% | 3.0% |
| 2 bedrooms: | 625 | 4.6% | 9.1% |
| 3 bedrooms: | 4,680 | 34.5% | 15.9% |
| 4 bedrooms: | 4,810 | 35.5% | 18.8% |
| 5 or more bedrooms: | 2,752 | 20.3% | 17.6% |
Heating Fuel (94531 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 8,371 | 63.3% | 47.1% |
| Bottled, tank, or LP gas: | 324 | 2.4% | 4.9% |
| Electricity: | 3,670 | 27.7% | 40.2% |
| Fuel oil, kerosene, etc.: | 0 | 0.0% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 18 | 0.1% | 1.5% |
| Solar energy: | 688 | 5.2% | 0.1% |
| Other fuel: | 13 | 0.1% | 0.5% |
| No fuel used: | 149 | 1.1% | 0.2% |
Vehicles Available (94531 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 501 | 3.8% | 8.3% |
| 1 vehicle available: | 2,472 | 18.7% | 32.6% |
| 2 vehicles available: | 4,785 | 36.2% | 37.0% |
| 3 or more vehicles available: | 5,475 | 41.4% | 22.1% |
Home Value Distribution (94531 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 47 | 0.5% | 5.7% |
| $50,000 to $99,999: | 95 | 1.0% | 7.8% |
| $100,000 to $149,999: | 0 | 0.0% | 9.2% |
| $150,000 to $199,999: | 0 | 0.0% | 10.8% |
| $200,000 to $299,999: | 128 | 1.3% | 19.9% |
| $300,000 to $499,999: | 1,552 | 16.3% | 24.1% |
| $500,000 to $999,999: | 7,486 | 78.4% | 17.0% |
| $1,000,000 or more: | 236 | 2.5% | 5.6% |
Housing Costs (94531 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $2,740 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $868 / mo. | $584 / mo. |
| Median gross rent: | $2,800 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 3.27 | 2.53 |
| Average household size (renter-occupied): | 3.40 | 2.38 |
Households (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 13,233 | -- | -- |
| Married-couple households: | 7,143 | 54.0% | 47.5% |
| Cohabiting couple households: | 2,793 | 21.1% | 7.0% |
| Male householder, no spouse: | 1,560 | 11.8% | 5.4% |
| Female householder, no spouse: | 3,585 | 27.1% | 12.7% |
| Householder living alone: | 5,241 | 39.6% | 28.6% |
| 65 years and over living alone: | 3,934 | 29.7% | 11.8% |
| Average household size: | 3.31 | -- | 2.53 |
| Average family size: | 3.62 | -- | -- |
Marital Status (94531 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 17,067 | -- | -- |
| Never married: | 6,640 | 38.9% | 37.0% |
| Now married: | 8,615 | 50.5% | 49.5% |
| Separated: | 359 | 2.1% | 1.5% |
| Widowed: | 1,342 | 7.9% | 2.6% |
| Divorced: | 7,167 | 42.0% | 9.3% |
School Enrollment (94531 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 11,280 | -- | -- |
| Nursery school, preschool: | 551 | 4.9% | 5.8% |
| Kindergarten: | 612 | 5.4% | 5.0% |
| Elementary school (grades 1-8): | 3,946 | 35.0% | 40.5% |
| High school (grades 9-12): | 2,622 | 23.2% | 21.4% |
| College or graduate school: | 3,549 | 31.5% | 27.3% |
Veterans & Disability (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 34,301 | -- | -- |
| Veterans: | 1,625 | 4.7% | 6.3% |
| Civilian noninstitutionalized population: | 44,001 | -- | -- |
| With a disability: | 6,141 | 14.0% | 13.4% |
| Under 18 with disability: | 613 | 10.0% | 5.8% |
| 18 to 64 with disability: | 3,497 | 56.9% | 10.4% |
| 65 and over with disability: | 2,031 | 33.1% | 33.4% |
Mobility (Residence 1 Year Ago) (94531 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 39,148 | 88.7% | 86.9% |
| Different house: | 4,518 | 10.2% | 13.1% |
| Same county: | 2,216 | 49.0% | 7.0% |
| Different county: | 2,247 | 49.7% | 3.2% |
| Different state: | 333 | 7.4% | 2.5% |
| Abroad: | 55 | 1.2% | 0.4% |
Place of Birth (94531 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 33,318 | 75.5% | 86.2% |
| Foreign born: | 571 | 1.3% | 13.9% |
| Naturalized citizen: | 10,797 | 1890.9% | 52.7% |
| Not a citizen: | 10,797 | 1890.9% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 10,797 | 1890.9% | 10.5% |
| Asia: | 533 | 93.3% | 31.3% |
| Africa: | 730 | 127.8% | 5.5% |
| Oceania: | 29 | 5.1% | 0.5% |
| Latin America: | 3,214 | 562.9% | 50.0% |
| Northern America: | 51 | 8.9% | 2.2% |
Language Spoken at Home (94531 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 41,665 | -- | -- |
| English only: | 26,626 | 63.9% | 78.3% |
| Language other than English: | 15,039 | 36.1% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 6,315 | 15.2% | 13.3% |
| Other Indo-European languages: | 2,230 | 5.4% | 3.5% |
| Asian/Pacific Island languages: | 5,784 | 13.9% | 3.5% |
| Other languages: | 710 | 1.7% | 1.0% |
Computers & Internet (94531 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 13,233 | 100.0% | 93.1% |
| Households with broadband internet: | 13,074 | 98.8% | 89.4% |
Antioch, CA94531