Rock Island County, Illinois: Wikis

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Rock Island County, Illinois
Map of Illinois highlighting Rock Island County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Seat Rock Island
Area
 - Total
 - Land
 - Water

451 sq mi (1,168 km²)
427 sq mi (1,106 km²)
24 sq mi (62 km²), 5.41%
PopulationEst.
 - (2008)
 - Density

146,886
350/sq mi (135/km²)
Founded 1831
Website www.co.rock-island.il.us

Rock Island County is a county located in the U.S. state of Illinois. As of 2000, the population was 149,374. A 2008 estimate shows a slight decline in population to 146,886.[1]

Its county seat is Rock Island, Illinois[2]. It is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.[3]

Contents

Geography

According to the U.S. Census Bureau, the county has a total area of 451 square miles (1,168 km²), of which 427 square miles (1,105 km²) is land and 24 square miles (63 km²) (5.41%) is water.

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Major highways

Townships

Andalusia, Blackhawk, Bowling, Buffalo Prairie, Canoe Creek, Coal Valley, Coe, Cordova, Drury, Edgington, Hampton, Moline, Port Byron, Rock Island, Rural, South Moline, South Rock Island, Zuma

Adjacent counties

National protected area

History

Rock Island County was formed in 1831 out of Jo Daviess County. It was named for Rock Island, an island in the Mississippi River now known as Arsenal Island.[4]

Demographics

Historical populations
Census Pop.  %±
1900 55,249
1910 70,404 27.4%
1920 92,297 31.1%
1930 98,191 6.4%
1940 113,323 15.4%
1950 133,558 17.9%
1960 150,991 13.1%
1970 166,734 10.4%
1980 165,968 −0.5%
1990 148,723 −10.4%
2000 149,374 0.4%
IL Counties 1900-1990

As of the census[5] of 2000, there were 149,374 people, 60,712 households, and 39,159 families residing in the county. The population density was 350 people per square mile (135/km²). There were 64,489 housing units at an average density of 151 per square mile (58/km²). The racial makeup of the county was 85.52% White, 7.54% Black or African American, 0.27% Native American, 1.02% Asian American, 0.03% Pacific Islander, 3.76% from other races, and 1.86% from two or more races. 8.56% of the population were Hispanic or Latino of any race. 23.1% were of German, 10.3% Irish, 8.4% American, 7.2% English, 6.6% Swedish and 5.5% Belgian ancestry according to Census 2000.

There were 60,712 households out of which 28.90% had children under the age of 18 living with them, 49.10% were married couples living together, 11.60% had a female householder with no husband present, and 35.50% were non-families. 30.20% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.97.

In the county the population was spread out with 23.80% under the age of 18, 10.00% from 18 to 24, 27.30% from 25 to 44, 23.80% from 45 to 64, and 15.10% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 94.40 males. For every 100 females age 18 and over, there were 91.40 males.

The median income for a household in the county was $38,608, and the median income for a family was $47,956. Males had a median income of $35,998 versus $24,234 for females. The per capita income for the county was $20,164. About 8.10% of families and 10.70% of the population were below the poverty line, including 15.70% of those under age 18 and 6.80% of those age 65 or over.

Cities and towns

Townships

Rock Island County is divided into these eighteen townships:

See also

References

External links

Coordinates: 41°28′N 90°34′W / 41.47°N 90.57°W / 41.47; -90.57


Genealogy

Up to date as of February 01, 2010

From Familypedia

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Rock Island County, Illinois
Map
File:Map of Illinois highlighting Rock Island County.png
Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the USA
Statistics
Founded 1831
Seat Rock Island
Area
 - Total
 - Land
 - Water

 sq mikm²)
 sq mi ( km²)
 sq mi ( km²), 5.41%
wikipedia:Population
 - (2000)
 - Density

149374
Website: www.co.rock-island.il.us

Rock Island County is a county located in the U.S. state of Illinois. As of 2000, the population was 149,374. Its county seat is Rock Island6. It is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.[1]

Contents

Geography

According to the U.S. Census Bureau, the county has a total area of 1,168 km² (451 sq mi). 1,105 km² (427 sq mi) of it is land and 63 km² (24 sq mi) of it (5.41%) is water.

Adjacent Counties

History

Rock Island County was formed in 1831 out of Jo Daviess County. It was named for Rock Island, an island in the Mississippi River now known as Arsenal Island.[2]

Demographics

As of the census² of 2000, there were 149,374 people, 60,712 households, and 39,159 families residing in the county. The population density was 135/km² (350/sq mi). There were 64,489 housing units at an average density of 58/km² (151/sq mi). The racial makeup of the county was 85.52% White, 7.54% Black or African American, 0.27% Native American, 1.02% Asian American, 0.03% Pacific Islander, 3.76% from other races, and 1.86% from two or more races. 8.56% of the population were Hispanic or Latino of any race.

There were 60,712 households out of which 28.90% had children under the age of 18 living with them, 49.10% were married couples living together, 11.60% had a female householder with no husband present, and 35.50% were non-families. 30.20% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.97.

In the county the population was spread out with 23.80% under the age of 18, 10.00% from 18 to 24, 27.30% from 25 to 44, 23.80% from 45 to 64, and 15.10% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 94.40 males. For every 100 females age 18 and over, there were 91.40 males.

The median income for a household in the county was $38,608, and the median income for a family was $47,956. Males had a median income of $35,998 versus $24,234 for females. The per capita income for the county was $20,164. About 8.10% of families and 10.70% of the population were below the poverty line, including 15.70% of those under age 18 and 6.80% of those age 65 or over.

Cities and towns

See also

References

  1. ^ {{subst:#ifexist:United States Office of Management and Budget|[[United States Office of Management and Budget|]]|[[Wikipedia:United States Office of Management and Budget|]]}}. Update of Statistical Area Definitions and Guidance on Their Uses (PDF) 5, 36.. Retrieved on 2006-07-21.
  2. ^ http://www.mvr.usace.army.mil/rockislandhistory/intro.htm

External links

Official county website

Coordinates: 41°28′N 90°34′W / 41.47, -90.57

This page uses content from the English language Wikipedia. The original content was at Rock Island County, Illinois. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.
Facts about Rock Island County, IllinoisRDF feed
County names Rock Island County, Illinois  +
County of country United States  +
County of subdivision1 Illinois  +
Short name Rock Island County  +

This article uses material from the "Rock Island County, Illinois" article on the Genealogy wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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