ZIP Code 94531
| ZIP Code | 94531 |
| City | ANTIOCH |
| State | CA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 43,067 (see all) |
Cities in ZIP Code 94531
Primary city: ANTIOCH, CAPost offices
ANTIOCH — Post Office™ 2730 W TREGALLAS RD ANTIOCH, CA 94509-9998 MoreANTIOCH — Post Office™2730 W TREGALLAS RD For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 94531
Demographic and housing estimates in ZIP Code 94531
| Total population | 43,067 |
| Male | 20,533 |
| Female | 22,534 |
| Total population | 43,067 |
| Under 5 years | 2,097 |
| 5 to 9 years | 2,560 |
| 10 to 14 years | 2,984 |
| 15 to 19 years | 3,418 |
| 20 to 24 years | 3,044 |
| 25 to 34 years | 5,820 |
| 35 to 44 years | 5,410 |
| 45 to 54 years | 5,978 |
| 55 to 59 years | 3,247 |
| 60 to 64 years | 3,378 |
| 65 to 74 years | 3,269 |
| 75 to 84 years | 1,249 |
| 85 years and over | 613 |
| Median age (years) | 38.4 |
| Under 18 years | 9,743 |
| 16 years and over | 34,792 |
| 18 years and over | 33,324 |
| 21 years and over | 31,574 |
| 62 years and over | 6,836 |
| 65 years and over | 5,131 |
| Total population | 43,067 |
| One race | 38,056 |
| White | 13,381 |
| Black or African American | 10,466 |
| American Indian and Alaska Native | 161 |
| Asian | 8,562 |
| Native Hawaiian and Other Pacific Islander | 210 |
| Some other race | 5,276 |
| Two or more races | 5,011 |
| Citizen, VOTING AGE 18 and over population | 30,732 |
| Male Citizen, VOTING AGE 18 and over population | 14,306 |
| Female Citizen, VOTING AGE 18 and over population | 16,426 |
Social characteristics in ZIP Code 94531
| Total households | 12,807 |
| Family households (families) | 6,918 |
| Married-couple family | 931 |
| Male householder, no wife present, family | 1,526 |
| Female householder, no husband present, family | 769 |
| Nonfamily households | 3,432 |
| Average household size | 3,529 |
| Average family size | 3.35 |
Economic characteristics in ZIP Code 94531
| Total households | 12,807 |
| Less than $10,000 | 199 |
| $10,000 to $14,999 | 223 |
| $15,000 to $24,999 | 361 |
| $25,000 to $34,999 | 749 |
| $35,000 to $49,999 | 922 |
| $50,000 to $74,999 | 1,952 |
| $75,000 to $99,999 | 1,421 |
| $100,000 to $149,999 | 2,782 |
| $150,000 to $199,999 | 1,945 |
| $200,000 or more | 2,253 |
| Median household income (dollars) | 106,570 |
Housing characteristics in ZIP Code 94531
| Total housing units | 13,107 |
| Occupied housing units | 12,807 |
| Vacant housing units | 300 |
| Total housing units | 13,107 |
| 1-unit, detached | 11,603 |
| 1-unit, attached | 413 |
| 2 units | 47 |
| 3 or 4 units | 158 |
| 5 to 9 units | 115 |
| 10 to 19 units | 166 |
| 20 or more units | 549 |
| Mobile home | 56 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 13,107 |
| Built 2014 or later | 60 |
| Built 2010 to 2013 | 509 |
| Built 2000 to 2009 | 3,820 |
| Built 1990 to 1999 | 5,629 |
| Built 1980 to 1989 | 2,555 |
| Built 1970 to 1979 | 171 |
| Built 1960 to 1969 | 115 |
| Built 1950 to 1959 | 144 |
| Built 1940 to 1949 | 87 |
| Built 1939 or earlier | 17 |
| Total housing units | 13,107 |
| 1 room | 147 |
| 2 rooms | 65 |
| 3 rooms | 500 |
| 4 rooms | 748 |
| 5 rooms | 2,037 |
| 6 rooms | 1,971 |
| 7 rooms | 2,895 |
| 8 rooms | 2,116 |
| 9 rooms or more | 2,628 |
| Median rooms | 6.9 |
| Total housing units | 13,107 |
| No bedroom | 147 |
| 1 bedroom | 524 |
| 2 bedrooms | 616 |
| 3 bedrooms | 4,357 |
| 4 bedrooms | 4,653 |
| 5 or more bedrooms | 2,810 |
| Occupied housing units | 12,807 |
| Owner-occupied | 9,303 |
| Renter-occupied | 3,504 |
| Average household size of owner-occupied unit | 3.29 |
| Average household size of renter-occupied unit | 3.51 |
| Occupied housing units | 12,807 |
| Moved in 2017 or later | 1,364 |
| Moved in 2015 to 2016 | 2,778 |
| Moved in 2010 to 2014 | 2,693 |
| Moved in 2000 to 2009 | 3,916 |
| Moved in 1990 to 1999 | 1,590 |
| Moved in 1989 and earlier | 466 |
| Owner-occupied units | 9,303 |
| Less than $50,000 | 96 |
| $50,000 to $99,999 | 51 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 406 |
| $300,000 to $499,999 | 3,586 |
| $500,000 to $999,999 | 5,027 |
| $1,000,000 or more | 137 |
| Median (dollars) | 528,200 |
| Owner-occupied units | 9,303 |
| Housing units with a mortgage | 7,631 |
| Housing units without a mortgage | 1,672 |
| Occupied units paying rent | 3,314 |
| Less than $500 | 121 |
| $500 to $999 | 46 |
| $1,000 to $1,499 | 312 |
| $1,500 to $1,999 | 224 |
| $2,000 to $2,499 | 633 |
| $2,500 to $2,999 | 1,006 |
| $3,000 or more | 972 |
| Median (dollars) | 2,660 |
| No rent paid | 190 |
Data is based on 2021 Census