Congressional district 18th Website www.menardcountyil.com Founded 1839 Named for Pierre Menard Largest city Petersburg | Time zone Central: UTC-6/-5 Area 815.8 km² Population 12,607 (2013) County seat Petersburg | |
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Cities Petersburg, Athens, Tallula, Greenview, Oakford | ||
Menard County is a county in the U.S. state of Illinois. According to the 2010 census, it had a population of 12,705. Its county seat is Petersburg, which is also the location of the county's only stop light.
Contents
- Map of Menard County IL USA
- History
- Geography
- Climate and weather
- Major highways
- Adjacent counties
- Demographics
- Cities
- Villages
- Census designated place
- Other unincorporated communities
- References
Map of Menard County, IL, USA
Menard County is part of the Springfield, Illinois, IL Metropolitan Statistical Area.
History
Menard County was formed in 1839 out of Sangamon County. The County was named for Pierre Menard, the first lieutenant governor of Illinois.
Geography
According to the U.S. Census Bureau, the county has an area of 315 square miles (820 km2), of which 314 square miles (810 km2) is land and 1.0 square mile (2.6 km2) (0.3%) is water.
Climate and weather
In recent years, average temperatures in the county seat of Petersburg have ranged from a low of 17 °F (−8 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −24 °F (−31 °C) was recorded in February 1905 and a record high of 112 °F (44 °C) was recorded in July 1954. Average monthly precipitation ranged from 1.62 inches (41 mm) in January to 4.06 inches (103 mm) in May.
Major highways
Adjacent counties
Demographics
As of the 2010 United States Census, there were 12,705 people, 5,140 households, and 3,683 families residing in the county. The population density was 40.4 inhabitants per square mile (15.6/km2). There were 5,654 housing units at an average density of 18.0 per square mile (6.9/km2). The racial makeup of the county was 97.5% white, 0.6% black or African American, 0.3% American Indian, 0.2% Asian, 0.4% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. In terms of ancestry, 32.5% were German, 20.8% were American, 15.6% were Irish, and 14.3% were English.
Of the 5,140 households, 32.4% had children under the age of 18 living with them, 57.5% were married couples living together, 9.6% had a female householder with no husband present, 28.3% were non-families, and 24.3% of all households were made up of individuals. The average household size was 2.44 and the average family size was 2.87. The median age was 42.6 years.
The median income for a household in the county was $56,230 and the median income for a family was $65,882. Males had a median income of $42,408 versus $36,735 for females. The per capita income for the county was $26,281. About 6.1% of families and 7.7% of the population were below the poverty line, including 10.4% of those under age 18 and 9.4% of those age 65 or over.