Livingston County at the time of its creation in 1837
Geography
According to the U.S. Census Bureau, the county has a total area of 1,046 square miles (2,710 km2), of which 1,044 square miles (2,700 km2) is land and 1.6 square miles (4.1 km2) (0.2%) is water.[4] It is the fourth-largest county in Illinois by land area.
In recent years, average temperatures in the county seat of Pontiac have ranged from a low of 14 °F (−10.0 °C) in January to a high of 85 °F (29.4 °C) in July, although a record low of −24 °F (−31.1 °C) was recorded in January 1927 and a record high of 108 °F (42.2 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.44 inches (36.6 mm) in February to 4.11 inches (104.4 mm) in June.[5]
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 38,950 people, 14,613 households, and 9,741 families residing in the county.[11] The population density was 37.3 inhabitants per square mile (14.4/km2). There were 15,895 housing units at an average density of 15.2 per square mile (5.9/km2).[4] The racial makeup of the county was 91.8% white, 4.9% black or African American, 0.5% Asian, 0.2% American Indian, 1.3% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 3.9% of the population.[11] In terms of ancestry, 36.6% were German, 17.2% were Irish, 11.2% were American, 10.7% were English, and 5.1% were Italian.[12]
Of the 14,613 households, 30.7% had children under the age of 18 living with them, 52.0% were married couples living together, 9.9% had a female householder with no husband present, 33.3% were non-families, and 28.6% of all households were made up of individuals. The average household size was 2.43 and the average family size was 2.98. The median age was 40.8 years.[11]
The median income for a household in the county was $50,500 and the median income for a family was $60,933. Males had a median income of $44,639 versus $32,234 for females. The per capita income for the county was $23,259. About 9.1% of families and 11.0% of the population were below the poverty line, including 15.4% of those under age 18 and 6.9% of those age 65 or over.[13]
The Dwight Correctional Center is currently unoccupied and was closed in 2013.
Politics
Although it was solidly Democratic before 1856, Livingston has since always been a powerfully Republican county. The solitary Democrat to win a majority of the county's vote since the Civil War has been Franklin D. Roosevelt in his 1932 landslide triumph over Herbert Hoover. Apart from that and the 1912 election when Woodrow Wilson won against a mortally divided Republican Party, Livingston has always voted Republican since that party was founded in 1856. Since 1940, only Lyndon Johnson in his 1964 landslide victory over the conservative Barry Goldwater has won more than forty percent of the county's vote.
United States presidential election results for Livingston County, Illinois[18]
^'Illinois Blue Book 199-1950,' Biographical Sketch of Calistus Bruer, pg. 164-165
^'Official Directory of the Forty-Second General Assembly of Illinois-1901,' Talbot & Hamman, Springfield, Illinois: 1865, Biographical Sketch of M. C. Eignus, pg. 65
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