January 6, 2014 |
Keystone, IABenton County, Iowa
Latitude: 42.000915 Longitude: -92.198544Population 690 (2005)Elevation of Keystone, Iowa: 880 feet |
Population 2005: 690 Population 2004: 692 Population 2003: 675 Population 2002: 677 Population 2001: 672 Population 2000: 687 (2000 Census) Population 1990: 568 (1990 Census) Population Growth 2000 to 2005: 0.44% Population Growth 1990 to 2000: 20.95% Population (2000 Census): 687 Male: 320 (46.58%) Female: 367 (53.42%) Median age: 39.60 years Races, 2000 Census: White: 99.13% Two or more races: 0.44% Hispanic or Latino: 0.29% Black or African American: 0.15% Housing Units: 281 (2000 Census) Land Area: 0.3703 square miles Most populous zip code: 52249 |