Shelby County, Illinois

	Average max. and min. temperatures in °F
	Precipitation totals in inches
	Source: The Weather Channel

Shelbyville, Illinois
Climate chart (explanation)
	Average max. and min. temperatures in °F
	Precipitation totals in inches
	Source: The Weather Channel
showMetric conversion
	Average max. and min. temperatures in °C
	Precipitation totals in mm

Shelby County
Shelby County
U.S. county
	Shelby County Courthouse
	Location within the U.S. state of Illinois
	Illinois's location within the U.S.
	Coordinates: 39°23′N 88°49′W / 39.39°N 88.81°W
Country	United States
State	Illinois
Founded	1827
Named for	Isaac Shelby
Seat	Shelbyville
Largest city	Shelbyville
Area
• Total	768 sq mi (1,990 km2)
• Land	759 sq mi (1,970 km2)
• Water	9.5 sq mi (25 km2) 1.2%
Population (2010)
• Total	22,363
• Estimate (2018)	21,741
• Density	29/sq mi (11/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	15th
Website	www.shelbycounty-il.com

Shelby County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 22,363.^[1] Its county seat is Shelbyville.^[2]

History[]

Shelby County was formed in 1827 out of Fayette County. It was named in honor of Isaac Shelby, governor of Kentucky and participant in the American Revolutionary War.

Shelby county from the time of its creation to 1829, including a large tract of unorganized territory temporarily attached to it, whose precise border was not defined.^[3]
Shelby County between 1829 and 1839
Shelby County between 1839 and 1843
Shelby County in 1843, reduced to its present borders

Geography[]

According to the U.S. Census Bureau, the county has a total area of 768 square miles (1,990 km²), of which 759 square miles (1,970 km²) is land and 9.5 square miles (25 km²) (1.2%) is water.^[4]

Climate and weather[]

In recent years, average temperatures in the county seat of Shelbyville have ranged from a low of 19 °F (−7 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −26 °F (−32 °C) was recorded in January 1915 and a record high of 111 °F (44 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.89 inches (48 mm) in February to 4.05 inches (103 mm) in June.^[5]

Major highways[]

Interstate 57
U.S. Highway 45
U.S. Highway 51
Illinois Route 16
Illinois Route 32
Illinois Route 128

Adjacent counties[]

Macon County - north
Moultrie County - northeast
Coles County - east
Cumberland County - east
Effingham County - south
Fayette County - south
Montgomery County - southwest
Christian County - west

Demographics[]

Historical population
Census	Pop.		%±
1830	2,972		—
1840	6,659		124.1%
1850	7,807		17.2%
1860	14,613		87.2%
1870	25,476		74.3%
1880	30,270		18.8%
1890	31,191		3.0%
1900	32,126		3.0%
1910	31,693		−1.3%
1920	29,601		−6.6%
1930	25,471		−14.0%
1940	26,290		3.2%
1950	24,434		−7.1%
1960	23,404		−4.2%
1970	22,589		−3.5%
1980	23,923		5.9%
1990	22,261		−6.9%
2000	22,893		2.8%
2010	22,363		−2.3%
2018 (est.)	21,741	^[6]	−2.8%
U.S. Decennial Census^[7] 1790-1960^[8] 1900-1990^[9] 1990-2000^[10] 2010-2013^[1]

As of the 2010 United States Census, there were 22,363 people, 9,216 households, and 6,376 families living in the county.^[11] The population density was 29.5 inhabitants per square mile (11.4/km²). There were 10,396 housing units at an average density of 13.7 per square mile (5.3/km²).^[4] The racial makeup of the county was 98.6% white, 0.3% Asian, 0.2% American Indian, 0.2% black or African American, 0.2% from other races, and 0.6% from two or more races. Those of Hispanic or Latino origin made up 0.8% of the population.^[11] In terms of ancestry, 25.5% were German, 9.9% were English, 9.8% were American, and 8.8% were Irish.^[12]

Of the 9,216 households, 29.2% had children under the age of 18 living with them, 57.1% were married couples living together, 8.0% had a female householder with no husband present, 30.8% were non-families, and 27.1% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.90. The median age was 43.5 years.^[11]

The median income for a household in the county was $44,627 and the median income for a family was $55,655. Males had a median income of $40,119 versus $27,860 for females. The per capita income for the county was $21,891. About 7.8% of families and 11.3% of the population were below the poverty line, including 16.7% of those under age 18 and 8.1% of those age 65 or over.^[13]

Communities[]

Cities[]

Town[]

Sigel

Villages[]

Census-designated place[]

Westervelt

Other unincorporated communities[]

Townships[]

Shelby County is divided into these townships:

Politics[]

show

Presidential elections results

References[]

^ Jump up to: ^a ^b "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.
^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
^ White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. [1]
^ Jump up to: ^a ^b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.
^ Jump up to: ^a ^b "Monthly Averages for Shelbyville, Illinois". The Weather Channel. Retrieved January 27, 2011.
^ "Population and Housing Unit Estimates". Retrieved November 2, 2019.
^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
^ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
^ Jump up to: ^a ^b ^c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 12, 2018.

Coordinates: 39°23′N 88°49′W / 39.39°N 88.81°W / 39.39; -88.81

[QF-1] Jump up to: ^a ^b "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.

[GR6-2] "Find a County". National Association of Counties. Retrieved June 7, 2011.

[3] White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. [1]

[census-density-4] Jump up to: ^a ^b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.

[weather-5] Jump up to: ^a ^b "Monthly Averages for Shelbyville, Illinois". The Weather Channel. Retrieved January 27, 2011.

[USCensusEst2018-6] "Population and Housing Unit Estimates". Retrieved November 2, 2019.

[7] "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.

[8] "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.

[9] "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.

[10] "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.

[census-dp1-11] Jump up to: ^a ^b ^c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.

[census-dp2-12] "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.

[census-dp3-13] "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.

[14] Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 12, 2018.

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[14]

Year	Republican	Democratic	Third parties
2020	77.8% 9,426	20.7% 2,504	1.5% 185
2016	74.5% 8,229	20.7% 2,288	4.8% 532
2012	65.6% 6,843	32.0% 3,342	2.4% 254
2008	58.7% 6,396	38.9% 4,245	2.4% 261
2004	63.9% 6,753	35.4% 3,744	0.8% 80
2000	57.6% 5,851	39.5% 4,018	2.9% 294
1996	43.1% 4,215	43.4% 4,249	13.5% 1,324
1992	32.5% 3,631	45.7% 5,101	21.9% 2,443
1988	53.3% 5,370	46.1% 4,650	0.6% 58
1984	59.4% 6,372	40.2% 4,317	0.4% 41
1980	59.1% 6,441	36.6% 3,988	4.3% 465
1976	45.5% 5,234	53.7% 6,172	0.8% 87
1972	62.1% 7,217	37.8% 4,389	0.2% 20
1968	49.3% 5,487	40.7% 4,528	10.1% 1,122
1964	37.7% 4,281	62.3% 7,088	0.0% 0
1960	54.5% 6,872	45.4% 5,720	0.1% 11
1956	56.9% 7,075	43.0% 5,337	0.1% 13
1952	57.7% 7,189	42.3% 5,268	0.1% 12
1948	47.9% 5,282	50.7% 5,589	1.4% 158
1944	50.7% 6,201	48.4% 5,919	1.0% 123
1940	47.7% 7,250	50.7% 7,704	1.6% 243
1936	40.8% 5,795	57.6% 8,186	1.6% 220
1932	35.9% 4,657	62.4% 8,093	1.7% 219
1928	62.6% 7,214	35.3% 4,071	2.1% 243
1924	48.1% 5,605	45.2% 5,265	6.7% 776
1920	53.9% 6,351	43.4% 5,113	2.7% 312
1916	42.6% 5,911	54.2% 7,515	3.2% 445
1912	20.8% 1,431	50.3% 3,467	28.9% 1,991
1908	42.3% 3,312	51.9% 4,065	5.8% 453
1904	46.5% 3,220	42.8% 2,962	10.7% 738
1900	41.4% 3,365	55.5% 4,514	3.1% 252
1896	38.8% 3,071	59.4% 4,709	1.8% 145
1892	32.5% 2,304	49.6% 3,523	17.9% 1,273

show v t Municipalities and communities of Shelby County, Illinois, United States
County seat: Shelbyville
Cities	Pana‡ Shelbyville Windsor
Towns	Sigel
Villages	Cowden Findlay Herrick Mowequa‡ Oconee Stewardson Strasburg Tower Hill
Townships	Ash Grove Big Spring Clarksburg Cold Spring Dry Point Flat Branch Herrick Holland Lakewood Moweaqua Oconee Okaw Penn Pickaway Prairie Richland Ridge Rose Rural Shelbyville Sigel Todds Point Tower Hill Windsor
CDPs	Lakewood Westervelt
Other communities	Clarksburg Mode
Footnotes	‡This populated place also has portions in an adjacent county or counties
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