| Back to United States. City: Castro Valley, CA Population (2000): 13,202
Housing units: 4,561 Land area: 49.5 sq. mi. Water area: 0.0 sq. mi. White population: 7629 Black population: 418 American Indian population: 28 Asian population: 4143 Native Hawaiian and Other Pacific Islander population: 37 Some other race population: 305 Two or more races population: 642 Urban population: 12680 Rural population: 522 Median age: 38.4 Average household size: 2.94 Median household income (1999): $105393
 
Nearest zip codes: 94542, 94546, 94541, 94544, 94583, 94545.
Year house built:
- 1999 to March 2000: 323
- 1995 to 1998: 1297
- 1990 to 1994: 391
- 1980 to 1989: 1200
- 1970 to 1979: 543
- 1960 to 1969: 506
- 1950 to 1959: 102
- 1940 to 1949: 79
- 1939 or earlier: 163
Bedrooms in owner-occupied houses in Castro Valley, CA (94552):
- no bedroom: 19
- 1 bedrooms: 86
- 2 bedrooms: 342
- 3 bedrooms: 1417
- 4 bedrooms: 2008
- 5 or more bedrooms: 381
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 7
- 1 bedrooms: 52
- 2 bedrooms: 19
- 3 bedrooms: 100
- 4 bedrooms: 66
- 5 or more bedrooms: 0
Vehicles available in 94552 zip code in owner-occupied houses:
- no vehicle: 63
- 1 vehicle: 590
- 2 vehicles: 2201
- 3 vehicles: 1033
- 4 vehicles: 276
- 5 or more vehicles: 90
Vehicles available in renter-occupied housing units:
- no vehicle: 0
- 1 vehicle: 60
- 2 vehicles: 147
- 3 vehicles: 20
- 4 vehicles: 17
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 94552:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 0
- $20,000 to $24,999: 0
- $25,000 to $29,999: 10
- $30,000 to $34,999: 23
- $35,000 to $39,999: 0
- $40,000 to $49,999: 42
- $50,000 to $59,999: 17
- $60,000 to $69,999: 0
- $70,000 to $79,999: 0
- $80,000 to $89,999: 10
- $90,000 to $99,999: 0
- $100,000 to $124,999: 0
- $125,000 to $149,999: 13
- $150,000 to $174,999: 21
- $175,000 to $199,999: 40
- $200,000 to $249,999: 152
- $250,000 to $299,999: 287
- $300,000 to $399,999: 946
- $400,000 to $499,999: 1360
- $500,000 to $749,999: 915
- $750,000 to $999,999: 41
- $1,000,000 or more: 9
First ancestries reported:
- Other groups: 5694
- German: 1154
- English: 766
- Italian: 694
- Irish: 653
- Portuguese: 365
- United States or American: 335
- Scottish: 242
- European: 238
- Russian: 213
- French (except Basque): 205
- Norwegian: 131
- Dutch: 112
- Swedish: 106
- Scotch-Irish: 90
- Austrian: 89
- Subsaharan African:: 84
- Arab:: 83
- Northern European: 82
- Iranian: 73
- British: 67
- Polish: 66
- Danish: 62
- African: 44
- Welsh: 44
- South African: 40
- Afghan: 39
- Arab/Arabic: 37
- Icelander: 32
- Canadian: 31
- Greek: 25
- French Canadian: 24
- Lithuanian: 23
- Scandinavian: 20
- Lebanese: 20
- Hungarian: 19
- Yugoslavian: 18
- Slovak: 17
- Jamaican: 17
- West Indian (excluding Hispanic groups):: 17
- Egyptian: 16
- Australian: 15
- Ukrainian: 14
- Celtic: 11
- Palestinian: 10
- Croatian: 9
- Finnish: 9
- Eastern European: 8
- Swiss: 6
- Czechoslovakian: 6
- Romanian: 6
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