- Rock County, Wisconsin
Infobox U.S. County
county = Rock County
state = Wisconsin
map size = 225
founded =
seat = Janesville | area_total_sq_mi =726
area_land_sq_mi =720
area_water_sq_mi =6
area percentage = 0.79%
census yr = 2000
pop = 152307
density_km2 =82
web = www.co.rock.wi.us
|Rock County is a county in the
U.S. state ofWisconsin . It is included in theJanesville, Wisconsin Metropolitan Statistical Area . As of 2000, the population was 152,307. Itscounty seat is JanesvilleGR|6.Geography
According to the U.S. Census Bureau, the county has a total area of 726
square mile s (1,881km² ), of which, 720 square miles (1,866 km²) of it is land and 6 square miles (15 km²) of it (0.79%) is water.Adjacent counties
*Green County - west
*Dane County - north
*Jefferson County - northeast
*Walworth County - east
*Boone County, Illinois - south
*Winnebago County, Illinois - southDemographics
USCensusPop
1900= 51203
1910= 55538
1920= 66150
1930= 74206
1940= 80173
1950= 92778
1960= 113913
1970= 131970
1980= 139420
1990= 139510
2000= 152307
footnote= [http://www.census.gov/population/cencounts/wi190090.txt WI Counties 1900-1990] As of thecensus GR|2 of 2000, there were 152,307 people, 58,617 households, and 40,387 families residing in the county. Thepopulation density was 211 people per square mile (82/km²). There were 62,187 housing units at an average density of 86 per square mile (33/km²). The racial makeup of the county was 91.01% White, 4.63% Black or African American, 0.28% Native American, 0.78% Asian, 0.04% Pacific Islander, 1.77% from other races, and 1.50% from two or more races. 3.91% of the population were Hispanic or Latino of any race. 32.8% were of German, 13.0% Norwegian, 10.1% Irish, 7.5% English and 5.5% American ancestry according toCensus 2000 .There were 58,617 households out of which 33.60% had children under the age of 18 living with them, 53.50% were married couples living together, 10.90% had a female householder with no husband present, and 31.10% were non-families. 25.10% of all households were made up of individuals and 9.70% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.03.
In the county, the population was spread out with 26.50% under the age of 18, 8.60% from 18 to 24, 29.80% from 25 to 44, 22.30% from 45 to 64, and 12.70% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 97.00 males. For every 100 females age 18 and over, there were 94.10 males.
= Cities, villages, and towns ["List of Municipalities by Alpha Order," Wisconsin Department of Administration [http://www.doa.state.wi.us/docs_view2.asp?docid=436] ] =columns-list|2
*Avon (town)
*Beloit (town)
*Beloit (city)
*Bradford (town)
*Brodhead (partial) (city)
*Center (town)
*Clinton (town)
*Clinton (village)
*Edgerton (city)
*Evansville (city)
*Footville (village)
*Fulton (town)
*Harmony (town)
*Janesville (city)
*Janesville (town)
*Johnstown (town)
*La Prairie (town)
*Lima (town)
*Magnolia (town)
*Milton (town)
*Milton (city)
*Newark (town)
*Orfordville (village)
*Plymouth (town)
*Porter (town)
*Rock (town)
*Spring Valley (town)
*Turtle (town)
*Union (town)Unincorporated communities
columns-list|2
*Afton
*Avon
*Avalon
*Cooksville
*Crestview
*Emerald Grove
*Fulton
*Hanover
*Indianford
*Johnstown
*Johnstown Center
*Leyden
*Lima Center
*Magnolia
*Newark
*Newville
*Shopiere
*Tiffany
*UnionReferences
External links
* [http://www.co.rock.wi.us/ Rock County]
* [http://www.rootsweb.com/~wircgs/index.html Rock County Genealogical Society]
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