| Back to United States. City: Johnston, IA Population (2000): 8,970
Housing units: 3,529 Land area: 20.7 sq. mi. Water area: 0.2 sq. mi. White population: 8634 Black population: 55 American Indian population: 9 Asian population: 174 Native Hawaiian and Other Pacific Islander population: 0 Some other race population: 43 Two or more races population: 55 Urban population: 8114 Rural population: 856 Median age: 36.5 Average household size: 2.61 Median household income (1999): $76309
 
Nearest zip codes: 500HH, 50322, 50310, 50111, 50311, 50325.
Year house built:
- 1999 to March 2000: 334
- 1995 to 1998: 767
- 1990 to 1994: 519
- 1980 to 1989: 1033
- 1970 to 1979: 346
- 1960 to 1969: 261
- 1950 to 1959: 74
- 1940 to 1949: 147
- 1939 or earlier: 79
Bedrooms in owner-occupied houses in Johnston, IA (50131):
- no bedroom: 0
- 1 bedrooms: 15
- 2 bedrooms: 335
- 3 bedrooms: 1134
- 4 bedrooms: 926
- 5 or more bedrooms: 85
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 33
- 1 bedrooms: 342
- 2 bedrooms: 434
- 3 bedrooms: 16
- 4 bedrooms: 22
- 5 or more bedrooms: 0
Vehicles available in 50131 zip code in owner-occupied houses:
- no vehicle: 13
- 1 vehicle: 365
- 2 vehicles: 1550
- 3 vehicles: 443
- 4 vehicles: 91
- 5 or more vehicles: 33
Vehicles available in renter-occupied housing units:
- no vehicle: 80
- 1 vehicle: 426
- 2 vehicles: 321
- 3 vehicles: 20
- 4 vehicles: 0
- 5 or more vehicles: 0
Estimate of home value of owner-occupied houses in 2000 in zip code 50131:
- 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: 0
- $30,000 to $34,999: 8
- $35,000 to $39,999: 0
- $40,000 to $49,999: 10
- $50,000 to $59,999: 20
- $60,000 to $69,999: 10
- $70,000 to $79,999: 14
- $80,000 to $89,999: 31
- $90,000 to $99,999: 56
- $100,000 to $124,999: 211
- $125,000 to $149,999: 394
- $150,000 to $174,999: 232
- $175,000 to $199,999: 363
- $200,000 to $249,999: 422
- $250,000 to $299,999: 295
- $300,000 to $399,999: 245
- $400,000 to $499,999: 68
- $500,000 to $749,999: 30
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- German: 2804
- Irish: 747
- English: 736
- Other groups: 560
- Norwegian: 362
- Italian: 315
- French (except Basque): 260
- Danish: 231
- Swedish: 227
- United States or American: 225
- Dutch: 220
- Scottish: 147
- Scotch-Irish: 116
- Welsh: 98
- Polish: 89
- European: 71
- Czech: 58
- Czechoslovakian: 42
- Russian: 41
- Swiss: 38
- Greek: 32
- Lithuanian: 31
- West Indian (excluding Hispanic groups):: 29
- Jamaican: 29
- Belgian: 29
- British: 27
- Subsaharan African:: 24
- African: 24
- French Canadian: 19
- Australian: 18
- Canadian: 18
- Scandinavian: 14
- Pennsylvania German: 11
- Ukrainian: 10
- Basque: 8
- Lebanese: 8
- Arab:: 8
|