| Back to United States. City: Oakley, CA Population (2000): 27,599
Housing units: 8,762 Land area: 26.2 sq. mi. Water area: 0.0 sq. mi. White population: 20827 Black population: 892 American Indian population: 265 Asian population: 765 Native Hawaiian and Other Pacific Islander population: 81 Some other race population: 3030 Two or more races population: 1739 Urban population: 26400 Rural population: 1199 Median age: 32.0 Average household size: 3.22 Median household income (1999): $63777
 
Nearest zip codes: 94513, 94509, 94511, 94571, 94514, 94565.
Year house built:
- 1999 to March 2000: 175
- 1995 to 1998: 1036
- 1990 to 1994: 1847
- 1980 to 1989: 3171
- 1970 to 1979: 997
- 1960 to 1969: 560
- 1950 to 1959: 493
- 1940 to 1949: 250
- 1939 or earlier: 256
Bedrooms in owner-occupied houses in Oakley, CA (94561):
- no bedroom: 107
- 1 bedrooms: 246
- 2 bedrooms: 779
- 3 bedrooms: 3946
- 4 bedrooms: 1948
- 5 or more bedrooms: 149
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 56
- 1 bedrooms: 298
- 2 bedrooms: 370
- 3 bedrooms: 494
- 4 bedrooms: 162
- 5 or more bedrooms: 0
Vehicles available in 94561 zip code in owner-occupied houses:
- no vehicle: 212
- 1 vehicle: 1206
- 2 vehicles: 3392
- 3 vehicles: 1631
- 4 vehicles: 579
- 5 or more vehicles: 155
Vehicles available in renter-occupied housing units:
- no vehicle: 169
- 1 vehicle: 405
- 2 vehicles: 547
- 3 vehicles: 143
- 4 vehicles: 65
- 5 or more vehicles: 51
Estimate of home value of owner-occupied houses in 2000 in zip code 94561:
- Less than $10,000: 0
- $10,000 to $14,999: 9
- $15,000 to $19,999: 9
- $20,000 to $24,999: 9
- $25,000 to $29,999: 0
- $30,000 to $34,999: 2
- $35,000 to $39,999: 0
- $40,000 to $49,999: 8
- $50,000 to $59,999: 2
- $60,000 to $69,999: 0
- $70,000 to $79,999: 46
- $80,000 to $89,999: 18
- $90,000 to $99,999: 43
- $100,000 to $124,999: 213
- $125,000 to $149,999: 618
- $150,000 to $174,999: 1457
- $175,000 to $199,999: 1526
- $200,000 to $249,999: 1630
- $250,000 to $299,999: 358
- $300,000 to $399,999: 248
- $400,000 to $499,999: 134
- $500,000 to $749,999: 110
- $750,000 to $999,999: 14
- $1,000,000 or more: 2
First ancestries reported:
- Other groups: 8910
- German: 2165
- Irish: 2016
- Italian: 1939
- United States or American: 1561
- English: 1348
- Portuguese: 1009
- French (except Basque): 531
- Norwegian: 457
- Scotch-Irish: 389
- Scottish: 310
- Swedish: 275
- European: 185
- Polish: 158
- Dutch: 153
- Danish: 132
- French Canadian: 118
- Welsh: 117
- Canadian: 109
- Russian: 99
- Swiss: 92
- Cypriot: 59
- Greek: 56
- Arab:: 52
- Lebanese: 50
- Bulgarian: 49
- Finnish: 47
- Yugoslavian: 42
- Scandinavian: 41
- Iranian: 35
- Czech: 32
- Hungarian: 27
- British: 19
- West Indian (excluding Hispanic groups):: 18
- Icelander: 18
- Ukrainian: 18
- Austrian: 17
- Lithuanian: 15
- African: 14
- Northern European: 14
- Subsaharan African:: 14
- Romanian: 13
- Albanian: 13
- West Indian: 10
- Latvian: 9
- Slavic: 9
- Basque: 9
- Czechoslovakian: 9
- Maltese: 8
- Bermudan: 8
- Armenian: 7
- Croatian: 6
- Australian: 4
- Arab/Arabic: 2
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