| Back to United States. City: Knoxville, IL Population (2000): 4,176
Housing units: 1,648 Land area: 35.0 sq. mi. Water area: 0.0 sq. mi. White population: 4120 Black population: 12 American Indian population: 5 Asian population: 2 Native Hawaiian and Other Pacific Islander population: 0 Some other race population: 9 Two or more races population: 28 Urban population: 3228 Rural population: 948 Median age: 42.1 Average household size: 2.49 Median household income (1999): $44409
 
Nearest zip codes: 61430, 61436, 61401, 61488, 61439, 61458.
Year house built:
- 1999 to March 2000: 17
- 1995 to 1998: 25
- 1990 to 1994: 57
- 1980 to 1989: 70
- 1970 to 1979: 491
- 1960 to 1969: 188
- 1950 to 1959: 106
- 1940 to 1949: 64
- 1939 or earlier: 660
Bedrooms in owner-occupied houses in Knoxville, IL (61448):
- no bedroom: 0
- 1 bedrooms: 25
- 2 bedrooms: 267
- 3 bedrooms: 824
- 4 bedrooms: 203
- 5 or more bedrooms: 30
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 0
- 1 bedrooms: 102
- 2 bedrooms: 117
- 3 bedrooms: 43
- 4 bedrooms: 5
- 5 or more bedrooms: 7
Vehicles available in 61448 zip code in owner-occupied houses:
- no vehicle: 37
- 1 vehicle: 320
- 2 vehicles: 702
- 3 vehicles: 224
- 4 vehicles: 37
- 5 or more vehicles: 29
Vehicles available in renter-occupied housing units:
- no vehicle: 23
- 1 vehicle: 126
- 2 vehicles: 65
- 3 vehicles: 47
- 4 vehicles: 13
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 61448:
- Less than $10,000: 0
- $10,000 to $14,999: 6
- $15,000 to $19,999: 6
- $20,000 to $24,999: 36
- $25,000 to $29,999: 20
- $30,000 to $34,999: 11
- $35,000 to $39,999: 50
- $40,000 to $49,999: 139
- $50,000 to $59,999: 137
- $60,000 to $69,999: 128
- $70,000 to $79,999: 194
- $80,000 to $89,999: 150
- $90,000 to $99,999: 114
- $100,000 to $124,999: 61
- $125,000 to $149,999: 55
- $150,000 to $174,999: 12
- $175,000 to $199,999: 31
- $200,000 to $249,999: 35
- $250,000 to $299,999: 0
- $300,000 to $399,999: 5
- $400,000 to $499,999: 0
- $500,000 to $749,999: 0
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 583
- English: 516
- United States or American: 429
- Swedish: 388
- Irish: 321
- Other groups: 101
- Norwegian: 78
- Italian: 69
- French (except Basque): 49
- Dutch: 49
- Scotch-Irish: 37
- European: 29
- Welsh: 22
- Scottish: 21
- Polish: 20
- Belgian: 15
- French Canadian: 11
- Danish: 11
- Arab:: 8
- Lebanese: 8
- Yugoslavian: 7
- Swiss: 7
- Russian: 6
- Lithuanian: 5
- Austrian: 5
- Pennsylvania German: 3
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