| Back to United States. Population (2000): 49,226
Housing units: 16,980 Land area: 9.5 sq. mi. Water area: 0.0 sq. mi. White population: 29997 Black population: 2237 American Indian population: 327 Asian population: 5677 Native Hawaiian and Other Pacific Islander population: 110 Some other race population: 8246 Two or more races population: 2632 Urban population: 49037 Rural population: 189 Median age: 33.1 Average household size: 2.93 Median household income (1999): $48052
 
Nearest zip codes: 91307, 91303, 91367, 91306, 91311, 91364.
Year house built:
- 1999 to March 2000: 105
- 1995 to 1998: 329
- 1990 to 1994: 571
- 1980 to 1989: 2827
- 1970 to 1979: 4652
- 1960 to 1969: 4620
- 1950 to 1959: 3408
- 1940 to 1949: 365
- 1939 or earlier: 232
Bedrooms in owner-occupied houses in 91304:
- no bedroom: 127
- 1 bedrooms: 397
- 2 bedrooms: 1368
- 3 bedrooms: 3722
- 4 bedrooms: 2491
- 5 or more bedrooms: 590
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 1353
- 1 bedrooms: 2895
- 2 bedrooms: 2436
- 3 bedrooms: 924
- 4 bedrooms: 366
- 5 or more bedrooms: 25
Vehicles available in 91304 zip code in owner-occupied houses:
- no vehicle: 242
- 1 vehicle: 2215
- 2 vehicles: 4209
- 3 vehicles: 1494
- 4 vehicles: 408
- 5 or more vehicles: 127
Vehicles available in renter-occupied housing units:
- no vehicle: 1176
- 1 vehicle: 3769
- 2 vehicles: 2470
- 3 vehicles: 404
- 4 vehicles: 109
- 5 or more vehicles: 71
Estimate of home value of owner-occupied houses in 2000 in zip code 91304:
- Less than $10,000: 0
- $10,000 to $14,999: 0
- $15,000 to $19,999: 6
- $20,000 to $24,999: 6
- $25,000 to $29,999: 0
- $30,000 to $34,999: 7
- $35,000 to $39,999: 0
- $40,000 to $49,999: 9
- $50,000 to $59,999: 0
- $60,000 to $69,999: 30
- $70,000 to $79,999: 16
- $80,000 to $89,999: 5
- $90,000 to $99,999: 15
- $100,000 to $124,999: 91
- $125,000 to $149,999: 216
- $150,000 to $174,999: 521
- $175,000 to $199,999: 959
- $200,000 to $249,999: 1771
- $250,000 to $299,999: 1089
- $300,000 to $399,999: 1510
- $400,000 to $499,999: 557
- $500,000 to $749,999: 352
- $750,000 to $999,999: 17
- $1,000,000 or more: 0
First ancestries reported:
- Other groups: 24844
- German: 2321
- United States or American: 2030
- Irish: 1940
- Italian: 1615
- English: 1468
- Russian: 1338
- Iranian: 685
- Polish: 679
- French (except Basque): 644
- European: 523
- Arab:: 420
- Armenian: 389
- Norwegian: 363
- Scotch-Irish: 339
- Scottish: 331
- Hungarian: 330
- Swedish: 288
- Greek: 276
- Afghan: 266
- Israeli: 244
- Ukrainian: 223
- Eastern European: 205
- Egyptian: 199
- Dutch: 181
- French Canadian: 175
- Portuguese: 160
- British: 155
- Czech: 149
- Arab/Arabic: 137
- Canadian: 126
- Austrian: 117
- Subsaharan African:: 104
- Danish: 104
- Romanian: 96
- Swiss: 61
- Assyrian/Chaldean/Syriac: 56
- Scandinavian: 54
- African: 52
- Finnish: 46
- Yugoslavian: 40
- Turkish: 38
- Northern European: 38
- Lithuanian: 35
- Czechoslovakian: 30
- Other Subsaharan African: 29
- Brazilian: 29
- Lebanese: 28
- West Indian (excluding Hispanic groups):: 27
- Welsh: 27
- Jordanian: 24
- Basque: 20
- Bulgarian: 18
- Croatian: 18
- Australian: 15
- Slavic: 15
- Other Arab: 14
- Pennsylvania German: 14
- South African: 13
- Belgian: 13
- Slovak: 13
- British West Indian: 12
- Palestinian: 12
- Ghanian: 10
- Slovene: 9
- Dutch West Indian: 9
- Latvian: 7
- Belizean: 6
- Acadian/Cajun: 6
- Syrian: 6
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