| Back to United States. City: Antioch, CA Population (2000): 90,879
Housing units: 30,226 Land area: 30.8 sq. mi. Water area: 0.2 sq. mi. White population: 59414 Black population: 8838 American Indian population: 850 Asian population: 6705 Native Hawaiian and Other Pacific Islander population: 361 Some other race population: 8382 Two or more races population: 6329 Urban population: 89328 Rural population: 1551 Median age: 32.3 Average household size: 3.07 Median household income (1999): $60375
 
Nearest zip codes: 94561, 94565, 94513, 94517, 94511, 94512.
Year house built:
- 1999 to March 2000: 1127
- 1995 to 1998: 3135
- 1990 to 1994: 4510
- 1980 to 1989: 6829
- 1970 to 1979: 6051
- 1960 to 1969: 3387
- 1950 to 1959: 2840
- 1940 to 1949: 1473
- 1939 or earlier: 923
Bedrooms in owner-occupied houses in Antioch, CA (94509):
- no bedroom: 148
- 1 bedrooms: 370
- 2 bedrooms: 2037
- 3 bedrooms: 9698
- 4 bedrooms: 6783
- 5 or more bedrooms: 1871
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 400
- 1 bedrooms: 2080
- 2 bedrooms: 3450
- 3 bedrooms: 1888
- 4 bedrooms: 698
- 5 or more bedrooms: 52
Vehicles available in 94509 zip code in owner-occupied houses:
- no vehicle: 434
- 1 vehicle: 3908
- 2 vehicles: 10237
- 3 vehicles: 4463
- 4 vehicles: 1445
- 5 or more vehicles: 420
Vehicles available in renter-occupied housing units:
- no vehicle: 1162
- 1 vehicle: 3965
- 2 vehicles: 2459
- 3 vehicles: 742
- 4 vehicles: 133
- 5 or more vehicles: 107
Estimate of home value of owner-occupied houses in 2000 in zip code 94509:
- Less than $10,000: 8
- $10,000 to $14,999: 14
- $15,000 to $19,999: 8
- $20,000 to $24,999: 0
- $25,000 to $29,999: 16
- $30,000 to $34,999: 22
- $35,000 to $39,999: 0
- $40,000 to $49,999: 13
- $50,000 to $59,999: 27
- $60,000 to $69,999: 42
- $70,000 to $79,999: 114
- $80,000 to $89,999: 88
- $90,000 to $99,999: 211
- $100,000 to $124,999: 1086
- $125,000 to $149,999: 2529
- $150,000 to $174,999: 2633
- $175,000 to $199,999: 3490
- $200,000 to $249,999: 5588
- $250,000 to $299,999: 2373
- $300,000 to $399,999: 1125
- $400,000 to $499,999: 180
- $500,000 to $749,999: 50
- $750,000 to $999,999: 23
- $1,000,000 or more: 19
First ancestries reported:
- Other groups: 36014
- German: 7564
- Italian: 6008
- Irish: 5884
- English: 4710
- United States or American: 3555
- Portuguese: 1650
- French (except Basque): 1443
- Swedish: 1039
- Scottish: 1012
- Norwegian: 971
- Scotch-Irish: 874
- Polish: 869
- Dutch: 844
- European: 716
- Subsaharan African:: 714
- Danish: 578
- African: 567
- French Canadian: 294
- Welsh: 279
- British: 253
- Greek: 234
- Russian: 209
- Hungarian: 204
- Arab:: 191
- Afghan: 174
- Canadian: 150
- Yugoslavian: 126
- Finnish: 124
- Scandinavian: 123
- Swiss: 111
- Nigerian: 102
- Iranian: 97
- West Indian (excluding Hispanic groups):: 92
- Maltese: 92
- Lithuanian: 89
- Austrian: 85
- Celtic: 80
- Ukrainian: 79
- Arab/Arabic: 73
- Northern European: 67
- Lebanese: 57
- Serbian: 49
- Romanian: 45
- Basque: 41
- West Indian: 40
- Australian: 36
- Czech: 36
- Haitian: 32
- Belgian: 31
- Liberian: 31
- Brazilian: 28
- Czechoslovakian: 26
- Slovene: 24
- Pennsylvania German: 23
- Eastern European: 22
- Israeli: 20
- Armenian: 20
- Moroccan: 18
- Egyptian: 18
- Croatian: 14
- Slavic: 13
- German Russian: 13
- Slovak: 12
- Syrian: 10
- Bulgarian: 10
- British West Indian: 9
- Palestinian: 9
- Ghanian: 8
- Acadian/Cajun: 8
- Assyrian/Chaldean/Syriac: 8
- Belizean: 7
- Cape Verdean: 6
- Other Arab: 6
- Dutch West Indian: 4
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