Morgan County, Illinois facts for kids

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Morgan County, Illinois
Map
Map of Illinois highlighting Morgan County
Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded 1823
Seat Jacksonville
Largest City Jacksonville
Area
 - Total
 - Land
 - Water

572 sq mi (1,481 km²)
569 sq mi (1,474 km²)
3.5 sq mi (9 km²), 0.6%
Population
 - (2010)
 - Density

35,547
62/sq mi (24/km²)
Time zone Central: UTC-6/-5
Website: www.morgancounty-il.com
Named for: Daniel Morgan

Morgan County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 35,547. Its county seat is Jacksonville.

Morgan County is part of the Jacksonville, IL Micropolitan Statistical Area, which is also included in the Springfield-Jacksonville-Lincoln, IL Combined Statistical Area.

History

Morgan County was formed in 1823 out of Greene and Sangamon Counties. It was named in honor of General Daniel Morgan, who defeated the British at the Battle of Cowpens in the American Revolutionary War. General Morgan was serving under General Nathanael Greene at Cowpens.

Geography

According to the U.S. Census Bureau, the county has a total area of 572 square miles (1,480 km2), of which 569 square miles (1,470 km2) is land and 3.5 square miles (9.1 km2) (0.6%) is water.

Climate and weather

Weather chart for Jacksonville, Illinois
J F M A M J J A S O N D
 
 
1.4
 
34
15
 
 
1.7
 
40
19
 
 
3.2
 
52
29
 
 
3.8
 
64
39
 
 
4.9
 
74
49
 
 
4.4
 
83
59
 
 
3.9
 
87
63
 
 
3.4
 
85
60
 
 
3.5
 
79
52
 
 
2.6
 
68
41
 
 
3.5
 
52
31
 
 
2.5
 
39
20
temperatures in °F
precipitation totals in inches
source: The Weather Channel

Average temperatures in the county seat of Jacksonville range from a low of 15 °F (−9 °C) in January to a high of 87 °F (31 °C) in July; a record low of −28 °F (−33 °C) was recorded in February 1934 and a record high of 114 °F (46 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.35 inches (34 mm) in January to 4.86 inches (123 mm) in May.

Major highways

  • I-72.svg Interstate 72
  • US 36.svg U.S. Route 36
  • US 67.svg U.S. Route 67
  • Illinois 123.svg Illinois Route 123
  • Illinois 78.svg Illinois Route 78
  • Illinois 100.svg Illinois Route 100
  • Illinois 104.svg Illinois Route 104
  • Illinois 267.svg Illinois Route 267

Adjacent counties

National protected area

  • Meredosia National Wildlife Refuge (part)

Demographics

Historical population
Census Pop.
1830 12,714
1840 19,547 53.7%
1850 16,064 −17.8%
1860 22,112 37.6%
1870 28,463 28.7%
1880 31,514 10.7%
1890 32,636 3.6%
1900 35,006 7.3%
1910 34,420 −1.7%
1920 33,567 −2.5%
1930 34,240 2.0%
1940 36,378 6.2%
1950 35,568 −2.2%
1960 36,571 2.8%
1970 36,174 −1.1%
1980 37,502 3.7%
1990 36,397 −2.9%
2000 36,616 0.6%
2010 35,547 −2.9%
Est. 2015 34,828 −2.0%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 35,547 people, 14,104 households, and 8,851 families residing in the county. The population density was 62.5 inhabitants per square mile (24.1/km2). There were 15,515 housing units at an average density of 27.3 per square mile (10.5/km2). The racial makeup of the county was 90.9% white, 6.0% black or African American, 0.5% Asian, 0.2% American Indian, 0.8% from other races, and 1.6% from two or more races. Those of Hispanic or Latino origin made up 2.0% of the population. In terms of ancestry, 25.9% were German, 21.6% were American, 15.4% were Irish, and 14.5% were English.

Of the 14,104 households, 28.3% had children under the age of 18 living with them, 47.4% were married couples living together, 11.2% had a female householder with no husband present, 37.2% were non-families, and 31.5% of all households were made up of individuals. The average household size was 2.30 and the average family size was 2.86. The median age was 40.8 years.

The median income for a household in the county was $44,645 and the median income for a family was $59,185. Males had a median income of $43,609 versus $29,893 for females. The per capita income for the county was $23,244. About 11.2% of families and 16.4% of the population were below the poverty line, including 25.8% of those under age 18 and 7.5% of those age 65 or over.

Communities

Cities

Villages

Unincorporated communities


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