| Rock Island County, Illinois | |
 Location in the state of 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 |
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.
Interstate 74
Interstate 80
Interstate 88
Interstate 280
U.S. Highway 6
U.S. Highway 67
U.S. Highway 150
Illinois Route 2
Illinois Route 5
Illinois Route 84
Illinois Route 92
Illinois Route 94
Illinois Route 192Andalusia, 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
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]
| 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.
Rock Island County is divided into these eighteen townships:
 |
Scott County, Iowa | Clinton County, Iowa | Whiteside County | |
| Muscatine County, Iowa |  |
|||
 Rock Island County, Illinois  |
||||
 |
||||
| Louisa County, Iowa | Mercer County | Henry County |
|
|||||||||||||||||||||||
|
|||||||||||||||||
| Rock Island County, Illinois view Community messages | |
|---|---|
| Articles, images | Archeology • Farms • Landmarks • Migrations and settlements • Photo gallery • Prehistory • Timeline |
| People | Births • Deaths • Families • Marriages • Residents |
| Daily life | Before 1700 • 1700-1749 • 1750-1799 • 1800-1819 • 1820-1839 • 1840-1859 • 1860-1879 • 1880-1899 • 1900-1919 • 1920-1939 • 1940-1959 • 1960-1979 • 1980-1999 • 2000-present |
| Research, including queries |
Rock Island County, Illinois links • Birth records • Businesses • Cemeteries • Census data • Church records • Court records • Death records • Directories • Landowner records • Marriage records • Maps • Military records • Obituaries • Probate records • Queries |
| Rock Island County, Illinois | |
| Map | |
| File:Map of Illinois highlighting Rock Island County.png Location in the state of Illinois |
|
 Illinois's location in the USA |
|
| Statistics | |
| Founded | 1831 |
|---|---|
| Seat | Rock Island |
| Area - Total - Land - Water |
sq mi ( km²) 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 |
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.
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]
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.
| Municipalities and communities of Rock Island County, Illinois  , Illinois |
||
|---|---|---|
| County seat: Rock Island, Illinois |
||
| Cities |
East Moline | Moline | Rock Island | Silvis |
 |
| Villages |
Andalusia | Carbon Cliff | Coal Valley | Cordova | Hampton | Hillsdale | Milan | Oak Grove | Port Byron | Rapids City | Reynolds |
|
| CDPs |
Coyne Center | Rock Island Arsenal |
|
| 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 |
|
| Unincorporated communities |
Babcock | Barstow | Briar Bluff | Buffalo Prairie | Byron Hills | Campbell's Island | Castle Junction | Edgington | Ginger Hill | Illinois City | Marston | Meersman | Merry Oaks | Mobet Meadows | Taylor Ridge | Watertown | Whites Addition |
|
 |
| Quad Cities and surrounding area of Iowa and Illinois |
| Scott County |
 |
| State of Illinois Springfield (capital) |
| History |
Government | Economy | Culture |
| 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. |
| County names | Rock Island County, Illinois + |
| County of country | United States + |
| County of subdivision1 | Illinois + |
| Short name | Rock Island County + |
  | Official county website - Rock Island County Official Website - Rock Island County, Illinois |
|
|
Top topics
Wikis
Quiz
Map
Search
