| Back to United States. City: Watertown, SD Population (2000): 23,610
Housing units: 10,406 Land area: 313.9 sq. mi. Water area: 14.3 sq. mi. White population: 22801 Black population: 31 American Indian population: 349 Asian population: 70 Native Hawaiian and Other Pacific Islander population: 4 Some other race population: 145 Two or more races population: 210 Urban population: 19434 Rural population: 4176 Median age: 35.2 Average household size: 2.44 Median household income (1999): $36175
 
Nearest zip codes: 57245, 57223, 57263, 57235, 57241, 57238.
Year house built:
- 1999 to March 2000: 303
- 1995 to 1998: 780
- 1990 to 1994: 967
- 1980 to 1989: 1329
- 1970 to 1979: 2039
- 1960 to 1969: 798
- 1950 to 1959: 1086
- 1940 to 1949: 652
- 1939 or earlier: 2441
Bedrooms in owner-occupied houses in Watertown, SD (57201):
- no bedroom: 2
- 1 bedrooms: 206
- 2 bedrooms: 1332
- 3 bedrooms: 2942
- 4 bedrooms: 1694
- 5 or more bedrooms: 385
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 186
- 1 bedrooms: 842
- 2 bedrooms: 1358
- 3 bedrooms: 402
- 4 bedrooms: 140
- 5 or more bedrooms: 29
Vehicles available in 57201 zip code in owner-occupied houses:
- no vehicle: 166
- 1 vehicle: 1446
- 2 vehicles: 3137
- 3 vehicles: 1275
- 4 vehicles: 406
- 5 or more vehicles: 131
Vehicles available in renter-occupied housing units:
- no vehicle: 483
- 1 vehicle: 1421
- 2 vehicles: 797
- 3 vehicles: 181
- 4 vehicles: 60
- 5 or more vehicles: 15
Estimate of home value of owner-occupied houses in 2000 in zip code 57201:
- Less than $10,000: 7
- $10,000 to $14,999: 0
- $15,000 to $19,999: 29
- $20,000 to $24,999: 33
- $25,000 to $29,999: 20
- $30,000 to $34,999: 128
- $35,000 to $39,999: 79
- $40,000 to $49,999: 281
- $50,000 to $59,999: 425
- $60,000 to $69,999: 606
- $70,000 to $79,999: 521
- $80,000 to $89,999: 607
- $90,000 to $99,999: 522
- $100,000 to $124,999: 729
- $125,000 to $149,999: 427
- $150,000 to $174,999: 222
- $175,000 to $199,999: 143
- $200,000 to $249,999: 79
- $250,000 to $299,999: 72
- $300,000 to $399,999: 67
- $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: 9602
- Norwegian: 3964
- Irish: 1127
- Other groups: 945
- United States or American: 919
- English: 629
- Dutch: 476
- Swedish: 385
- Polish: 279
- French (except Basque): 254
- Czech: 212
- Danish: 197
- Scandinavian: 173
- Scotch-Irish: 141
- Italian: 138
- Scottish: 122
- Belgian: 103
- French Canadian: 88
- Finnish: 73
- European: 66
- Canadian: 47
- Russian: 44
- Swiss: 22
- Welsh: 13
- Croatian: 13
- Czechoslovakian: 11
- Ukrainian: 10
- Hungarian: 10
- Latvian: 10
- Luxemburger: 10
- Northern European: 9
- Slovene: 9
- British: 7
- Greek: 7
- Nigerian: 4
- Subsaharan African:: 4
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