Randolph County, Illinois facts for kids

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Randolph County, Illinois
Map
Map of Illinois highlighting Randolph County
Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded 1795
Seat Chester
Largest City Chester
Area
 - Total
 - Land
 - Water

597 sq mi (1,546 km²)
576 sq mi (1,492 km²)
22 sq mi (57 km²), 3.6%
Population
 - (2010)
 - Density

33,476
58/sq mi (22/km²)
Time zone Central: UTC-6/-5
Website: http://am.randolphco.org/
Named for: Edmund Randolph

Randolph County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 33,476. Its county seat is Chester.

Owing to its role in the state's history, the county motto is "Where Illinois Began." It contains the historically important village of Kaskaskia, Illinois's first capital.

The county is part of Southern Illinois in the southern portion of the state known locally as "Little Egypt", and includes fertile river flats, part of the American Bottom; it is near the Greater St. Louis area.

History

Randolph County was organized in 1795 out of a part of St. Clair County. It was named in honor of Edmund Randolph, Governor of Virginia. George Rogers Clark of the army of Virginia captured the area from the British on July 4, 1778, near the end of the Revolutionary War. The area then became the seat, for several years, of Illinois County, Virginia, although the Congress of the Confederation legislated the existence of the Northwest Territory on July 13, 1787. Edmund Randolph was Governor of Virginia at the time Virginia ceded the Northwest Territory to the United States. In 1809, when Illinois became a separate territory, Territorial Secretary Nathaniel Pope, in his capacity as acting governor, issued a proclamation establishing Randoloph as one of the Illinois' two original counties. The county's boundaries were last changed in 1827, when land was taken to form Perry County.

The Mississippi River has played a prominent role in the county's history, altering its boundaries in 1881 when it severed the isthmus that connected Kaskaskia to the Illinois mainland, destroying the original village of Kaskaskia and forcing its historic cemetery to be relocated across the river to Fort Kaskaskia. Crains Island [1], southeast of Chester, is another enclave of Illinois west of the Mississippi that was created by a change in the river's course.

Geography

According to the U.S. Census Bureau, the county has a total area of 597 square miles (1,550 km2), of which 576 square miles (1,490 km2) is land and 22 square miles (57 km2) (3.6%) is water.

The Kaskaskia River flows into the Mississippi River in Randolph County. At this point the Mississippi, which usually defines the border between Illinois and Missouri, is entirely in Illinois. The Mississippi changed its course in the late-nineteenth century, leaving Kaskaskia, the former state capital, on the west side of the River. The boundary of the State, however, follows the old course of the River, leaving Illinois with an enclave on the western shore of the Mississippi River. A smaller enclave, Crains Island, is a few miles further down the river.

Climate and weather

Weather chart for Chester, Illinois
J F M A M J J A S O N D
 
 
1.9
 
39
22
 
 
2
 
46
26
 
 
3.5
 
56
35
 
 
3.4
 
68
45
 
 
4.3
 
78
54
 
 
3.9
 
87
64
 
 
3.8
 
91
68
 
 
3.4
 
89
66
 
 
3.2
 
82
58
 
 
3.1
 
71
46
 
 
4.2
 
56
36
 
 
3.2
 
44
27
temperatures in °F
precipitation totals in inches
source: The Weather Channel

In recent years, average temperatures in the county seat of Chester have ranged from a low of 22 °F (−6 °C) in January to a high of 91 °F (33 °C) in July, although a record low of −18 °F (−28 °C) was recorded in January 1985 and a record high of 113 °F (45 °C) was recorded in July 2012. Average monthly precipitation ranged from 1.85 inches (47 mm) in January to 4.30 inches (109 mm) in May.

Major highways

  • Illinois 3.svg Illinois Route 3
  • Illinois 4.svg Illinois Route 4
  • Illinois 13.svg Illinois Route 13
  • Illinois 150.svg Illinois Route 150
  • Illinois 153.svg Illinois Route 153
  • Illinois 154.svg Illinois Route 154
  • Illinois 155.svg Illinois Route 155
  • Illinois 159.svg Illinois Route 159

Adjacent counties

Randolph County is among the few counties in the United States to border two counties with the same name (Perry County in Missouri and Illinois).

Demographics

Historical population
Census Pop.
1820 3,492
1830 4,429 26.8%
1840 7,944 79.4%
1850 11,079 39.5%
1860 17,205 55.3%
1870 20,859 21.2%
1880 25,690 23.2%
1890 25,049 −2.5%
1900 28,001 11.8%
1910 29,120 4.0%
1920 29,109 0.0%
1930 29,313 0.7%
1940 33,608 14.7%
1950 31,673 −5.8%
1960 29,988 −5.3%
1970 31,379 4.6%
1980 35,652 13.6%
1990 34,583 −3.0%
2000 33,893 −2.0%
2010 33,476 −1.2%
Est. 2015 32,852 −1.9%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 33,476 people, 12,314 households, and 8,188 families residing in the county. The population density was 58.2 inhabitants per square mile (22.5/km2). There were 13,707 housing units at an average density of 23.8 per square mile (9.2/km2). The racial makeup of the county was 87.6% white, 9.7% black or African American, 0.3% Asian, 0.2% American Indian, 1.2% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 2.6% of the population. In terms of ancestry, 40.3% were German, 11.3% were Irish, 9.4% were English, and 5.7% were American.

Of the 12,314 households, 29.1% had children under the age of 18 living with them, 52.0% were married couples living together, 10.1% had a female householder with no husband present, 33.5% were non-families, and 28.9% of all households were made up of individuals. The average household size was 2.37 and the average family size was 2.90. The median age was 41.0 years.

The median income for a household in the county was $45,020 and the median income for a family was $55,113. Males had a median income of $43,359 versus $28,376 for females. The per capita income for the county was $19,950. About 7.0% of families and 10.4% of the population were below the poverty line, including 11.9% of those under age 18 and 9.9% of those age 65 or over.

Communities

Cities

Villages

Unincorporated communities


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