Logan County, Illinois

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Logan County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 27,987.<ref name="QF">Template:Cite web</ref> Its county seat is Lincoln.<ref name="GR6">Template:Cite web</ref>

Logan County comprises the Lincoln, IL Micropolitan Statistical Area, which is included in the Springfield-Jacksonville-Lincoln, IL Combined Statistical Area.

History

Established in 1839, Logan County was named after physician and State Representative John Logan, father of Union General John Alexander Logan.<ref>Template:Cite web</ref>

Logan County from the time of its creation to 1841

Logan County from the time of its creation to 1841
Logan County between 1841 and 1845

Logan County between 1841 and 1845
In 1845, a portion of Dewitt County was ceded to Logan, bringing it to its current size

In 1845, a portion of Dewitt County was ceded to Logan, bringing it to its current size

Geography

According to the U.S. Census Bureau, the county has a total area of Template:Convert, of which Template:Convert is land and Template:Convert (0.1%) is water.<ref name="census-density"/>

Climate and weather

Template:Climate chart In recent years, average temperatures in the county seat of Lincoln have ranged from a low of Template:Convert in January to a high of Template:Convert in July, although a record low of Template:Convert was recorded in December 1914 and a record high of Template:Convert was recorded in July 1936. Average monthly precipitation ranged from Template:Convert in February to Template:Convert in May.<ref name="weather"/>

Transit

Major highways

Adjacent counties

Mason County - northwest
Tazewell County - north
McLean County - northeast
De Witt County - east
Macon County - southeast
Sangamon County - south
Menard County - west

Demographics

Template:US Census population

According to the 2010 United States census, there were 30,305 people, 11,070 households, and 7,274 families residing in the county.<ref name="census-dp1">Template:Cite web</ref> The population density was Template:Convert. There were 12,107 housing units at an average density of Template:Convert.<ref name="census-density">Template:Cite web</ref> The racial makeup of the county was 89.1% white, 7.5% black or African American, 0.6% Asian, 0.2% American Indian, 1.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 2.9% of the population.<ref name="census-dp1"/> In terms of ancestry, 30.9% were German, 17.4% were American, 13.1% were Irish, and 10.8% were English.<ref name="census-dp2">Template:Cite web</ref>

Of the 11,070 households, 29.7% had children under the age of 18 living with them, 50.3% were married couples living together, 10.6% had a female householder with no husband present, 34.3% were non-families, and 29.2% of all households were made up of individuals. The average household size was 2.34 and the average family size was 2.85. The median age was 39.4 years.<ref name="census-dp1"/> 14.4% of the population were living in group quarters including 11.4% of the population institutionalized.<ref>Template:Cite web</ref>

The median income for a household in the county was $48,999 and the median income for a family was $63,245. Males had a median income of $43,940 versus $31,783 for females. The per capita income for the county was $22,063. About 6.8% of families and 9.8% of the population were below the poverty line, including 15.1% of those under age 18 and 5.2% of those age 65 or over.<ref name="census-dp3">Template:Cite web</ref>