| Back to United States. City: O'Fallon, IL Population (2000): 26,249
Housing units: 10,337 Land area: 31.9 sq. mi. Water area: 0.0 sq. mi. White population: 21998 Black population: 2882 American Indian population: 61 Asian population: 620 Native Hawaiian and Other Pacific Islander population: 18 Some other race population: 211 Two or more races population: 459 Urban population: 25234 Rural population: 1015 Median age: 35.5 Average household size: 2.63 Median household income (1999): $55339
 
Nearest zip codes: 62221, 62225, 62208, 62254, 62226, 62220.
Year house built:
- 1999 to March 2000: 467
- 1995 to 1998: 1603
- 1990 to 1994: 1388
- 1980 to 1989: 2431
- 1970 to 1979: 1520
- 1960 to 1969: 1052
- 1950 to 1959: 875
- 1940 to 1949: 230
- 1939 or earlier: 782
Bedrooms in owner-occupied houses in O'Fallon, IL (62269):
- no bedroom: 0
- 1 bedrooms: 122
- 2 bedrooms: 1119
- 3 bedrooms: 3065
- 4 bedrooms: 2374
- 5 or more bedrooms: 357
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 89
- 1 bedrooms: 579
- 2 bedrooms: 1337
- 3 bedrooms: 607
- 4 bedrooms: 231
- 5 or more bedrooms: 22
Vehicles available in 62269 zip code in owner-occupied houses:
- no vehicle: 229
- 1 vehicle: 1543
- 2 vehicles: 3289
- 3 vehicles: 1425
- 4 vehicles: 436
- 5 or more vehicles: 115
Vehicles available in renter-occupied housing units:
- no vehicle: 184
- 1 vehicle: 1406
- 2 vehicles: 1013
- 3 vehicles: 196
- 4 vehicles: 66
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 62269:
- Less than $10,000: 0
- $10,000 to $14,999: 8
- $15,000 to $19,999: 0
- $20,000 to $24,999: 0
- $25,000 to $29,999: 21
- $30,000 to $34,999: 73
- $35,000 to $39,999: 8
- $40,000 to $49,999: 184
- $50,000 to $59,999: 209
- $60,000 to $69,999: 388
- $70,000 to $79,999: 519
- $80,000 to $89,999: 500
- $90,000 to $99,999: 372
- $100,000 to $124,999: 715
- $125,000 to $149,999: 879
- $150,000 to $174,999: 672
- $175,000 to $199,999: 514
- $200,000 to $249,999: 444
- $250,000 to $299,999: 254
- $300,000 to $399,999: 130
- $400,000 to $499,999: 38
- $500,000 to $749,999: 9
- $750,000 to $999,999: 8
- $1,000,000 or more: 8
First ancestries reported:
- German: 6172
- Other groups: 4181
- Irish: 1849
- English: 1827
- United States or American: 1745
- French (except Basque): 831
- Italian: 747
- Polish: 425
- Scottish: 363
- Scotch-Irish: 362
- European: 334
- Dutch: 308
- Czech: 302
- Norwegian: 231
- Swedish: 176
- Danish: 95
- Canadian: 86
- British: 82
- Greek: 76
- Hungarian: 68
- Swiss: 63
- French Canadian: 54
- Slovak: 52
- Austrian: 52
- African: 50
- Subsaharan African:: 50
- Croatian: 45
- Arab/Arabic: 42
- Arab:: 42
- Welsh: 41
- Scandinavian: 37
- Portuguese: 33
- Russian: 33
- Slovene: 32
- West Indian (excluding Hispanic groups):: 31
- Czechoslovakian: 26
- Lithuanian: 17
- Assyrian/Chaldean/Syriac: 17
- Jamaican: 15
- Eastern European: 15
- Romanian: 15
- Yugoslavian: 15
- Northern European: 10
- West Indian: 8
- Other West Indian: 8
- Celtic: 8
- Slavic: 8
- Armenian: 8
- Ukrainian: 7
- Belgian: 6
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