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Hardin County, Illinois facts for kids

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Hardin County
Hardin County Courthouse in Elizabethtown
Hardin County Courthouse in Elizabethtown
Map of Illinois highlighting Hardin 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 1839
Named for Hardin County, Kentucky
Seat Elizabethtown
Largest city Rosiclare
Area
 • Total 182 sq mi (470 km2)
 • Land 178 sq mi (460 km2)
 • Water 4.1 sq mi (11 km2)  2.2%
Population
 (2020)
 • Total 3,649 Decrease
 • Density 20/sq mi (8/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 12th
Hicks Dome IL shaded relief v1
This map shows the shape of Hicks Dome in Hardin and Pope counties.

Hardin County is a county located in the U.S. state of Illinois. It is in the southern part of the state, an area sometimes called Little Egypt. In 2020, about 3,649 people lived here. This makes it the county with the fewest people in Illinois.

The main town and county seat is Elizabethtown. Hardin County got its name from Hardin County, Kentucky. That county was named after Colonel John Hardin. He was an officer who fought in the American Revolutionary War.

History of Hardin County

Hardin County was created in 1839. It was formed from parts of Pope County. Later, more land was added from Gallatin County.

The county is named after Colonel John Hardin. He was an important officer in the American Revolutionary War. Sadly, he died in 1792 during a peace mission for President George Washington. This happened in what is now Shelby County, Ohio.

In the past, especially in the 1790s and early 1800s, the area around Cave-In-Rock was known for outlaws and tricky characters.

Geography and Nature

Fluorite-48284
This is a Fluorite mineral from Hardin County.

Hardin County has a total area of about 182 square miles. Most of this (178 square miles) is land. The rest (4.1 square miles) is water. It is the second-smallest county in Illinois by land area.

Hicks Dome Geological Feature

Hicks Dome is a special geological spot in Hardin County. It's a dome-shaped uplift in the land. Scientists believe the older rocks at its center were pushed up by deep underground activity. This activity might also be why there are Fluorspar deposits in the area. Fluorspar, also called calcium fluoride, was mined in Hardin County until the early 1990s.

Local Climate and Weather

Weather chart for Elizabethtown, Illinois
J F M A M J J A S O N D
 
 
3.5
 
41
21
 
 
3.7
 
47
24
 
 
4.7
 
57
33
 
 
4.8
 
68
42
 
 
5
 
76
52
 
 
4.2
 
84
60
 
 
4.2
 
87
65
 
 
3.5
 
87
63
 
 
3.2
 
80
55
 
 
3.2
 
70
43
 
 
4.4
 
57
34
 
 
4.3
 
46
25
temperatures in °F
precipitation totals in inches
source: The Weather Channel

The weather in Elizabethtown, the county seat, changes throughout the year. In January, temperatures usually range from 21°F to 41°F. In July, they are warmer, from 65°F to 87°F.

The coldest temperature ever recorded was -22°F in January 1994. The hottest was 104°F in August 2007. The county gets a good amount of rain, with May usually being the wettest month.

Neighboring Counties

Hardin County shares borders with several other counties:

Main Roads and Transportation

  • Rides Mass Transit District
  • Illinois 1.svg Illinois Route 1
  • Illinois 34.svg Illinois Route 34
  • Illinois 146.svg Illinois Route 146

Protected Natural Areas

Part of the Shawnee National Forest is located in Hardin County. This is a large forest area protected by the government.

People and Population

Historical population
Census Pop.
1840 1,378
1850 2,887 109.5%
1860 3,759 30.2%
1870 5,113 36.0%
1880 6,024 17.8%
1890 7,234 20.1%
1900 7,448 3.0%
1910 7,015 −5.8%
1920 7,533 7.4%
1930 6,955 −7.7%
1940 7,759 11.6%
1950 7,530 −3.0%
1960 5,879 −21.9%
1970 4,914 −16.4%
1980 5,383 9.5%
1990 5,189 −3.6%
2000 4,800 −7.5%
2010 4,320 −10.0%
2020 3,649 −15.5%
2023 (est.) 3,569 −17.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2017
USA Hardin County, Illinois age pyramid
This chart shows the age groups of people in Hardin County in 2000.

In 2010, there were 4,320 people living in Hardin County. Most people (97.3%) were white. About 1.3% of the population was of Hispanic or Latino background.

Many families live in Hardin County. About 26% of households had children under 18 living with them. The average age of people in the county was about 46.3 years old.

Towns and Communities

Cities in Hardin County

Villages in Hardin County

Other Communities

Hardin County also has several smaller, unincorporated communities. These are places that are not officially cities or villages.

Historical Places (Ghost Towns)

Some places in Hardin County used to be towns but are now abandoned or have very few people. These are sometimes called "ghost towns."

  • Battery Rock
  • Chambers Creek
  • Fairview Landing
  • Grosville
  • Hall Ridge
  • Hester
  • Illinois Furnace
  • Lambtown
  • Martha Furnace
  • McFarlan
  • Parkinson's Landing
  • Robin's Ferry
  • Sellers
  • Sellers Landing
  • Twitchell's Mills
  • Wolrab Mills

Notable People from Hardin County

  • James Karber (1914–1976), an Illinois lawyer and politician.
  • Jennifer Rhodes (1947-), a television and film actress from Rosiclare.

See also

Kids robot.svg In Spanish: Condado de Hardin (Illinois) para niños

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