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Menard County, Illinois
Map of Illinois highlighting Menard County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded 1839
Seat Petersburg
Largest city Petersburg
 - Total
 - Land
 - Water

315 sq mi (817 km²)
314 sq mi (814 km²)
1 sq mi (3 km²), 0.36%
 - (2000)
 - Density

40/sq mi (15/km²)
Time zone Central: UTC-6/-5

Menard County is a county located in the U.S. state of Illinois. As of 2000, the population is 12,486. Its county seat is Petersburg6.


According to the U.S. Census Bureau, the county has a total area of 817 km² (315 sq mi). 814 km² (314 sq mi) of it is land and 3 km² (1 sq mi) of it (0.36%) is water.

Adjacent Counties[]


Menard County was formed in 1839 out of Sangamon County. The County was named for Pierre Menard, the first lieutenant governor of Illinois.


Historical populations
Census Pop.
1900 14,336
1910 12,796 −10.7%
1920 11,694 −8.6%
1930 10,575 −9.6%
1940 10,663 0.8%
1950 9,639 −9.6%
1960 9,248 −4.1%
1970 9,685 4.7%
1980 11,700 20.8%
1990 11,164 −4.6%
2000 12,486 11.8%
IL Counties 1900-1990

As of the census2 of 2000, there were 12,486 people, 4,873 households, and 3,552 families residing in the county. The population density was 15/km² (40/sq mi). There were 5,285 housing units at an average density of 6/km² (17/sq mi). The racial makeup of the county was 98.59% White, 0.38% Black or African American, 0.22% Native American, 0.17% Asian, 0.25% from other races, and 0.39% from two or more races. 0.75% of the population were Hispanic or Latino of any race.

There were 4,873 households out of which 36.10% had children under the age of 18 living with them, 60.70% were married couples living together, 9.10% had a female householder with no husband present, and 27.10% were non-families. 23.80% of all households were made up of individuals and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 2.99.

In the county the population was spread out with 26.50% under the age of 18, 6.80% from 18 to 24, 28.90% from 25 to 44, 24.60% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.20 males. For every 100 females age 18 and over, there were 92.00 males.

The median income for a household in the county was $46,596, and the median income for a family was $52,995. Males had a median income of $36,870 versus $27,010 for females. The per capita income for the county was $21,584. About 6.10% of families and 8.20% of the population were below the poverty line, including 12.50% of those under age 18 and 6.00% of those age 65 or over.

Cities and towns[]

Census designated places[]

External links[]

Coordinates: 40°02′N 89°48′W / 40.03, -89.80

This page uses content from the English language Wikipedia. The original content was at Menard County, Illinois. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.