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Franklin County, Illinois facts for kids

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Franklin County
Franklin County Courthouse in Benton
Franklin County Courthouse in Benton
Map of Illinois highlighting Franklin County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded January 2, 1818
Named for Benjamin Franklin
Seat Benton
Largest city West Frankfort
Area
 • Total 431 sq mi (1,120 km2)
 • Land 409 sq mi (1,060 km2)
 • Water 23 sq mi (60 km2)  5.2%
Population
 (2020)
 • Total 37,804
 • Density 87.71/sq mi (33.87/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 12th

Franklin County is a county in Southern Illinois. At the 2020 census, it had a population of 37,804. The largest city is West Frankfort and the county seat is Benton. This area of Southern Illinois is known locally as "Little Egypt".

History

Franklin County was established on January 2, 1818 and formed from parts of Gallatin and White counties. It was named for Benjamin Franklin.

Geography

According to the U.S. Census Bureau, the county has a total area of 431 square miles (1,120 km2), of which 409 square miles (1,060 km2) is land and 23 square miles (60 km2) (5.2%) is water. Justin Kay State Recreation Area is located in this county.

Climate and weather

Weather chart for Benton, Illinois
J F M A M J J A S O N D
 
 
2.9
 
39
21
 
 
2.9
 
45
26
 
 
4.2
 
56
36
 
 
4.5
 
67
45
 
 
4.6
 
76
54
 
 
4.1
 
85
63
 
 
3.2
 
90
68
 
 
3
 
88
65
 
 
2.9
 
81
58
 
 
2.9
 
69
45
 
 
4.5
 
56
37
 
 
3.6
 
43
26
temperatures in °F
precipitation totals in inches
source: The Weather Channel

In recent years, average temperatures in the county seat of Benton have ranged from a low of 21 °F (−6 °C) in January to a high of 90 °F (32 °C) in July, although a record low of −22 °F (−30 °C) was recorded in January 1977 and a record high of 104 °F (40 °C) was recorded in August 2007. Average monthly precipitation ranged from 2.87 inches (73 mm) in February to 4.59 inches (117 mm) in May.

Adjacent counties

Major highways

  • I-57.svg Interstate 57
  • Illinois 14.svg Illinois Route 14
  • Illinois 34.svg Illinois Route 34
  • Illinois 37.svg Illinois Route 37
  • Illinois 148.svg Illinois Route 148
  • Illinois 149.svg Illinois Route 149
  • Illinois 154.svg Illinois Route 154
  • Illinois 184.svg Illinois Route 184

Demographics

Historical population
Census Pop.
1820 1,763
1830 4,083 131.6%
1840 3,682 −9.8%
1850 5,681 54.3%
1860 9,393 65.3%
1870 12,652 34.7%
1880 16,129 27.5%
1890 17,138 6.3%
1900 19,675 14.8%
1910 25,943 31.9%
1920 57,293 120.8%
1930 59,442 3.8%
1940 53,137 −10.6%
1950 48,685 −8.4%
1960 39,281 −19.3%
1970 38,329 −2.4%
1980 43,201 12.7%
1990 40,319 −6.7%
2000 39,018 −3.2%
2010 39,561 1.4%
2020 37,804 −4.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013
USA Franklin County, Illinois age pyramid
2000 census age pyramid for Franklin County

As of the 2010 United States Census, there were 39,561 people, 16,617 households, and 10,912 families residing in the county. The population density was 96.8 inhabitants per square mile (37.4/km2). There were 18,525 housing units at an average density of 45.3 per square mile (17.5/km2). The racial makeup of the county was 97.7% white, 0.3% Asian, 0.3% American Indian, 0.3% black or African American, 0.3% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 21.8% were German, 18.7% were Irish, 15.9% were English, 9.4% were American, and 5.7% were Italian.

Of the 16,617 households, 30.0% had children under the age of 18 living with them, 48.8% were married couples living together, 11.6% had a female householder with no husband present, 34.3% were non-families, and 30.0% of all households were made up of individuals. The average household size was 2.35 and the average family size was 2.88. The median age was 41.8 years.

The median income for a household in the county was $34,381 and the median income for a family was $43,170. Males had a median income of $39,122 versus $28,950 for females. The per capita income for the county was $18,504. About 14.5% of families and 19.8% of the population were below the poverty line, including 30.5% of those under age 18 and 9.9% of those age 65 or over.

Communities

Cities

Villages

Map of Franklin County, Illinois

Census-designated place

Townships

Franklin County is divided into twelve townships:

  • Barren
  • Benton
  • Browning
  • Cave
  • Denning
  • Eastern
  • Ewing
  • Frankfort
  • Goode
  • Northern
  • Six Mile
  • Tyrone

Education

Regional

  • Franklin, Johnson, Massac, and Williamson County Regional Office of Education #21

Primary and secondary

  • Christopher Unit School District #99
  • Sesser Unit School District
  • Benton School District #47
  • Frankfort Community Unit School District #168
  • Zeigler-Royalton Community Unit School District #188
  • Thompsonville Community Unit School District #174
  • Ewing-Northern Community Unit School District #115

Higher education

  • John A. Logan College Extension Center - West Frankfort

Specialized

  • Franklin & Jefferson County Special Education Cooperative
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