94531 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 94531 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateCalifornia
CityAntioch
Time ZoneAmerica/Los_Angeles
Geo Location37.96574, -121.77582
Population43067
Size28.349 square miles
Median Family Income$118835.00
Median Home Value$528200.00

Population & Demographics

The following information lists the population statistics and breakdown for the 94531 zip code. The total population is 43067, of which, 20533 are male and 22534 are female. With a total area of 28.349 square miles, the population density is 1517.6 people per square mile. The median age of the population is 38.4 years old. Below you’ll find additional information on the population and demographics of this zip code, including age distribution, race distribution, language spoken, and more.

YearPopulation
201140115
201241237
201341700
201442587
201543095
201644263
201743285
201843788
201943022
202042163
202143067

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 20974.9%
Age 5-925605.9%
Age 10-1429846.9%
Age 15-1934187.9%
Age 20-2430447.1
Age 25-2934217.9%
Age 30-3423995.6%
Age 35-3925816%
Age 40-442829 6.6%
Age 45-4930097%
Age 50-5429696.9%
Age 55-5932477.5%
Age 60-6433787.8%
Age 65-6917994.2%
Age 70-7414703.4%
Age 75-797491.7%
Age 80-845001.2%
Age 85 and over6131.4%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 35.2 %
  • Speaks Spanish: 16 %
  • Speaks Other Indo-European Language: 5 %
  • Speaks Pacific Island Languages: 12.4 %
  • Speak Other Languages: 1.9 %
Marital Status: 
  • Currently Married: 45.2 %
  • Divorced: 10.1 %
  • Separated (not divorced): 1.2 %
  • Never Married: 38.9 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 94531 zip code is $118835. This is 64.76% greater than the national average. This income places 8.5% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $37858. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.

Annual Income Bracket ($)Number of Families in Bracket
Less than $10,000.0035
$10,000.00 – $14,999.00166
$15,000.00 – $24,999.00287
$25,000.00 – $34,999.00533
$35,000.00 – $49,999.00667
$50,000.00 – $74,999.001414
$75,000.00 – $99,999.001115
$100,000.00 – $149,999.002124
$150,000.00 – $199,999,001848
$200,000.00 +1820

YearMedian Family Income ($ USD)
201194420
201295091
201395014
201494634
201593097
201694446
2017100065
2018103176
2019108091
2020110714
2021118835

Income Source# of Households
Wage or Salary11194
Self Employment1532
Social Security3843
Dividends, Interest, or Rental2386
Retirement3366
Other2007

Total Insured & Uninsured Individuals: 
  • Families Insure: 40722
  • Families Uninsured: 2176
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 3366
  • No retirement income: 9441

Education

In the 94531 zip code, 89.4% of individuals over 25 years old have a high school degree or higher, and 30% have a bachelors degree or higher. Additionally, 17.1% of individuals 3 years and older are in private school, and 82.9% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 94531 zip, there are an estimated 23169 people in the labor force, of which, 21331 are employed, and 1712 are unemployed. There are a total of 126 people in the armed forces. The average commute time for this zip code is 51.6 minutes. Of the total people that work, 2692 worked from home and 20713 commuted. The average number of hours worked is 37.2. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts7775
Services3983
Sales and Office5458
Construction and Maintenance:1628
Transportation and Material Moving2487





Housing

The median home value for the 94531 zip code is 528200. There is an estimated  12807 number of occupied housing units, the median gross rent in is $2660 per month, and the average monthly housing costs are estimated to be $2377. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00096
$50,000 – $99,00051
$100,000 – $149,9990
$150,000 – $199,9990
$200,000 – $299,999406
$300,000 – $499,9993586
$500,000 – $999,9995027
$1,000,000+137

Home Year BuiltNumber of Homes
2020 or Later60
2010 – 2019509
2000 – 20093651
1980 – 19998053
1960 – 1979286
1940 – 1959231
1939 or earlier17

The median number of rooms in all housing units is 6.9 rooms.
Monthly Rent ($ USD)Number of Units
Less than $500121
$500 – $99946
$1,000 – $1,499312
$1,500 – $1,999224
$2,000 – $2,499633
$2,499 – $2,9991006
$3,000 + 972

Monthly Housing Costs ($)Number of Households
Less than 300106
300-499267
500-799705
800-999563
1000-1499987
1500-19991818
2000-24992469
2500-29992644
3000+3058

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%2544
20%-24.9%1352
25%-29.9%780
30%-34.9%605
35+%2328



# of VehiclesHouseholds
None558
12467
24794
3+4988
Home Heating Characteristics: 
  • Utility Gas: 63 %
  • Bottle Tank or LP Gas: 2.1 %
  • Electricity: 29.8 %
  • Oil or Kerosene etc: 0 %
  • Coal or Coke: 0 %
  • All Other: 4.5 %

Related Zip Codes


All information sourced from official government sources including Census.gov, the IRS, and the Department of Education.