ZIP codes
2
Antioch, CA Demographics & ZIP Codes
Antioch, California demographics and median household income by ZIP code (in Contra Costa County) — 2 ZIP codes — population 115,759 — median income $102,470 — avg. home value $612,750. Compare income, housing, and population across ZIP codes on US5.
Population
115,759
Median household income (avg.)
$102,470
136% of U.S. median
Average home value
$612,750
176% of U.S. median
Average rent
$2,199
189% of U.S. median
Median age (avg.)
38.3
Antioch demographics
Antioch, California covers 2 ZIP codes primarily in Contra Costa County, with a combined ZIP-area population of about 115,759.
Across ZIP codes with age data, the average median age is about 38.3 years.
Median household income in Antioch
The average median household income across ZIP codes in Antioch, California is about $102,470 — about 4% above the CA ZIP average ($98,324), and about 36% above the U.S. median ($75,149).
Among ZIPs with income data, 94531 is near the top at about $123,428, while 94509 is near the bottom at about $81,512.
Housing in Antioch
For housing in Antioch, California, the average median home value is about $612,750 and the average median rent is about $2,199.
The most populous ZIP in this set is 94509 (about 71,013 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Antioch
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 94509 | Antioch | Contra Costa County | CA | 71,013 | $81,512 | $565,300 |
| 94531 | Antioch | Contra Costa County | CA | 44,746 | $123,428 | $660,200 |
Frequently asked questions
What are the demographics of Antioch?
Antioch, California has a combined ZIP-area population of about 115,759 across 2 ZIP codes (primarily Contra Costa County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Antioch?
The average median household income across ZIP codes in Antioch, California is about $102,470, about 4% above the state ZIP average ($98,324), and about 36% above the U.S. median ($75,149). Average median home value is about $612,750. Among ZIPs with data, 94531 is near the top ($123,428) and 94509 is near the bottom ($81,512).
How many ZIP codes are in Antioch?
Antioch, California includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Antioch?
This page lists ZIP codes in Antioch, California with population, median household income, and home value. Select a ZIP for a full demographics profile.