| Back to United States. City: Algona, IA Population (2000): 7,520
Housing units: 3,323 Land area: 133.0 sq. mi. Water area: 0.3 sq. mi. White population: 7414 Black population: 6 American Indian population: 11 Asian population: 51 Native Hawaiian and Other Pacific Islander population: 1 Some other race population: 18 Two or more races population: 19 Urban population: 5918 Rural population: 1602 Median age: 41.5 Average household size: 2.38 Median household income (1999): $35826
 
Nearest zip codes: 50522, 50559, 50560, 50598, 50519, 50558.
Year house built:
- 1999 to March 2000: 95
- 1995 to 1998: 95
- 1990 to 1994: 89
- 1980 to 1989: 259
- 1970 to 1979: 657
- 1960 to 1969: 367
- 1950 to 1959: 392
- 1940 to 1949: 370
- 1939 or earlier: 1001
Bedrooms in owner-occupied houses in Algona, IA (50511):
- no bedroom: 0
- 1 bedrooms: 55
- 2 bedrooms: 505
- 3 bedrooms: 1154
- 4 bedrooms: 545
- 5 or more bedrooms: 93
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 15
- 1 bedrooms: 178
- 2 bedrooms: 303
- 3 bedrooms: 178
- 4 bedrooms: 44
- 5 or more bedrooms: 16
Vehicles available in 50511 zip code in owner-occupied houses:
- no vehicle: 105
- 1 vehicle: 577
- 2 vehicles: 1140
- 3 vehicles: 363
- 4 vehicles: 128
- 5 or more vehicles: 39
Vehicles available in renter-occupied housing units:
- no vehicle: 92
- 1 vehicle: 336
- 2 vehicles: 235
- 3 vehicles: 49
- 4 vehicles: 15
- 5 or more vehicles: 7
Estimate of home value of owner-occupied houses in 2000 in zip code 50511:
- Less than $10,000: 6
- $10,000 to $14,999: 40
- $15,000 to $19,999: 48
- $20,000 to $24,999: 43
- $25,000 to $29,999: 75
- $30,000 to $34,999: 42
- $35,000 to $39,999: 66
- $40,000 to $49,999: 210
- $50,000 to $59,999: 204
- $60,000 to $69,999: 230
- $70,000 to $79,999: 174
- $80,000 to $89,999: 155
- $90,000 to $99,999: 203
- $100,000 to $124,999: 182
- $125,000 to $149,999: 171
- $150,000 to $174,999: 80
- $175,000 to $199,999: 27
- $200,000 to $249,999: 52
- $250,000 to $299,999: 18
- $300,000 to $399,999: 1
- $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: 3247
- Norwegian: 532
- Irish: 422
- United States or American: 416
- English: 315
- Swedish: 178
- Other groups: 171
- Danish: 155
- Scottish: 93
- French (except Basque): 93
- Polish: 84
- Dutch: 81
- Scotch-Irish: 38
- Italian: 33
- Luxemburger: 30
- British: 23
- Czech: 20
- Belgian: 20
- European: 17
- Swiss: 16
- Greek: 14
- Czechoslovakian: 12
- Slavic: 12
- Turkish: 11
- French Canadian: 10
- Hungarian: 7
- Scandinavian: 7
- Northern European: 6
- Austrian: 6
- Croatian: 4
- Slovak: 3
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