rock county

from U.S. Gazetteer (1990)

Rock County, MN (county, FIPS 133)
  Location: 43.67348 N, 96.24794 W
  Population (1990): 9806 (3963 housing units)
  Area: 1250.0 sq km (land), 0.6 sq km (water)
Rock County, NE (county, FIPS 149)
  Location: 42.41828 N, 99.45363 W
  Population (1990): 2019 (1001 housing units)
  Area: 2612.0 sq km (land), 8.8 sq km (water)
Rock County, WI (county, FIPS 105)
  Location: 42.67153 N, 89.06844 W
  Population (1990): 139510 (54840 housing units)
  Area: 1866.2 sq km (land), 14.8 sq km (water)

from U.S. Gazetteer Counties (2000)

Rock -- U.S. County in Minnesota
   Population (2000):    9721
   Housing Units (2000): 4137
   Land area (2000):     482.609501 sq. miles (1249.952815 sq. km)
   Water area (2000):    0.233498 sq. miles (0.604756 sq. km)
   Total area (2000):    482.842999 sq. miles (1250.557571 sq. km)
   Located within:       Minnesota (MN), FIPS 27
   Location:             43.667243 N, 96.242131 W
   Headwords:
    Rock
    Rock, MN
    Rock County
    Rock County, MN

from U.S. Gazetteer Counties (2000)

Rock -- U.S. County in Nebraska
   Population (2000):    1756
   Housing Units (2000): 935
   Land area (2000):     1008.457758 sq. miles (2611.893491 sq. km)
   Water area (2000):    3.395633 sq. miles (8.794649 sq. km)
   Total area (2000):    1011.853391 sq. miles (2620.688140 sq. km)
   Located within:       Nebraska (NE), FIPS 31
   Location:             42.507127 N, 99.470110 W
   Headwords:
    Rock
    Rock, NE
    Rock County
    Rock County, NE

from U.S. Gazetteer Counties (2000)

Rock -- U.S. County in Wisconsin
   Population (2000):    152307
   Housing Units (2000): 62187
   Land area (2000):     720.468467 sq. miles (1866.004683 sq. km)
   Water area (2000):    5.728001 sq. miles (14.835453 sq. km)
   Total area (2000):    726.196468 sq. miles (1880.840136 sq. km)
   Located within:       Wisconsin (WI), FIPS 55
   Location:             42.654411 N, 89.049110 W
   Headwords:
    Rock
    Rock, WI
    Rock County
    Rock County, WI