Logan County, Illinois
|Logan County, Illinois|
Location in the state of Illinois
Illinois's location in the U.S.
|Founded||February 15, 1839|
618.93 sq mi (1,603 km²)
618.06 sq mi (1,601 km²)
0.87 sq mi (2 km²), 0.14%
50/sq mi (19/km²)
|Time zone||Central: UTC-6/-5|
Logan County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 30,305, which is a decrease of 2.8% from 31,183 in 2000. Its county seat is Lincoln.
The Lincoln Micropolitan Statistical Area includes all of Logan County.
According to the 2010 census, the county has a total area of 618.93 square miles (1,603.0 km2), of which 618.06 square miles (1,600.8 km2) (or 99.86%) is land and 0.87 square miles (2.3 km2) (or 0.14%) is water.
Major highways 
- Interstate 55
- Interstate 155
- U.S. Highway 136
- Illinois Route 10
- Illinois Route 54
- Illinois Route 121
- East Lincoln
- Lake Fork
- Mt. Pulaski
- Prairie Creek
- West Lincoln
Adjacent counties 
- Tazewell County - north
- McLean County - northeast
- De Witt County - east
- Macon County - southeast
- Sangamon County - south
- Menard County - west
- Mason County - northwest
As of the 2010 census, there were 30,305 people; 12,107 households; and 7,274 families residing in the county. The population density was 49 people per square mile (19/km²). The racial makeup of the county included the following percentages non-Hispanic: 87.7% White, 7.4% Black or African American, 0.2% Native American, 0.6% Asian, 5 persons Pacific Islander, 12 persons from other races, and 1.1% from two or more races. 2.9% of the population were Hispanic or Latino of any race.
There were 11,070 households out of which 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, and 34.3% were non-families. 29.4% of all households contained individuals who were 65 years of age or older. The average household size was 2.34 and the average family size was 2.85.
14.4% of the population were living in group quarters including 11.4% of the population instituitionalized.
As of the census of 2000, there were 31,183 people, 11,113 households, and 7,579 families residing in the county. The population density was 50 people per square mile (19/km²). There were 11,872 housing units at an average density of 19 per square mile (7/km²). The racial makeup of the county was 91.69% White, 6.56% Black or African American, 0.16% Native American, 0.55% Asian, 0.01% Pacific Islander, 0.41% from other races, and 0.62% from two or more races. 1.61% of the population were Hispanic or Latino of any race. 37.3% were of German, 17.0% American, 10.9% Irish and 9.9% English ancestry according to the 2000 census. 97.1% spoke English and 2.0% Spanish as their first language.
There were 11,113 households out of which 31.20% had children under the age of 18 living with them, 55.30% were married couples living together, 9.30% had a female householder with no husband present, and 31.80% were non-families. 27.80% of all households were made up of individuals and 13.90% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.94.
In the county the population was spread out with 21.90% under the age of 18, 11.60% from 18 to 24, 29.70% from 25 to 44, 21.80% from 45 to 64, and 15.00% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 99.90 males. For every 100 females age 18 and over, there were 98.70 males.
The median income for a household in the county was $39,389, and the median income for a family was $48,655. Males had a median income of $33,015 versus $23,461 for females. The per capita income for the county was $17,953. About 6.20% of families and 8.10% of the population were below the poverty line, including 10.50% of those under age 18 and 7.60% of those age 65 or over.
Government and infrastructure 
Cities and towns 
- Lake Fork
- Mount Pulaski
- New Holland
- San Jose
Climate and weather 
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of Lincoln have ranged from a low of 15 °F (−9 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −29 °F (−34 °C) was recorded in December 1914 and a record high of 113 °F (45 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.55 inches (39 mm) in February to 4.42 inches (112 mm) in May.
See also 
- "Logan County QuickFacts". United States Census Bureau. Retrieved 2011-11-05.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-11-05.
- "Logan Correctional Center." Illinois Department of Corrections. Retrieved on October 12, 2010. "1096 1350th Street P.O. Box 1000 Lincoln, Il 62656"
- "Monthly Averages for Lincoln, Illinois". The Weather Channel. Retrieved 2011-01-27.
||Mason County||Tazewell County||McLean County|
|Menard County||De Witt County|
|Sangamon County||Macon County|