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Cass County, Illinois
Map of Illinois highlighting Cass County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded 1837
Seat Virginia
Largest city Beardstown
 - Total
 - Land
 - Water

384 sq mi (995 km²)
376 sq mi (974 km²)
8 sq mi (21 km²), 2.04%
 - (2000)
 - Density

36/sq mi (14/km²)
Time zone Central: UTC-6/-5

Cass County is a county located in the U.S. state of Illinois. As of 2000, the population is 13,695. Its county seat is Virginia6. It is the home of the Jim Edgar Panther Creek State Fish and Wildlife Area.


According to the U.S. Census Bureau, the county has a total area of 994 km² (384 sq mi). 974 km² (376 sq mi) of it is land and 20 km² (8 sq mi) of it (2.04%) is water.

Adjacent Counties[]


Cass County was formed in 1837 out of Morgan County. It was named in honor of Lewis Cass, a general in the War of 1812, Governor of the Michigan Territory, and United States Secretary of State in 1860.


2000 census age pyramid for Cass County.

Historical populations
Census Pop.
1900 17,222
1910 17,372 0.9%
1920 17,896 3.0%
1930 16,537 −7.6%
1940 16,425 −0.7%
1950 15,097 −8.1%
1960 14,539 −3.7%
1970 14,219 −2.2%
1980 15,084 6.1%
1990 13,437 −10.9%
2000 13,695 1.9%
IL Counties 1900-1990

As of the census2 of 2000, there were 13,695 people, 5,347 households, and 3,689 families residing in the county. The population density was 14/km² (36/sq mi). There were 5,784 housing units at an average density of 6/km² (15/sq mi). The racial makeup of the county was 94.93% White, 0.45% Black or African American, 0.17% Native American, 0.28% Asian, 0.03% Pacific Islander, 3.34% from other races, and 0.82% from two or more races. 8.48% of the population were Hispanic or Latino of any race.

There were 5,347 households out of which 32.00% had children under the age of 18 living with them, 55.80% were married couples living together, 9.20% had a female householder with no husband present, and 31.00% were non-families. 26.10% of all households were made up of individuals and 13.00% 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 3.01.

In the county the population was spread out with 25.40% under the age of 18, 8.40% from 18 to 24, 27.80% from 25 to 44, 22.70% from 45 to 64, and 15.70% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.70 males. For every 100 females age 18 and over, there were 94.70 males.

The median income for a household in the county was $35,243, and the median income for a family was $41,653. Males had a median income of $27,493 versus $21,781 for females. The per capita income for the county was $16,532. About 9.20% of families and 12.00% of the population were below the poverty line, including 15.20% of those under age 18 and 6.70% of those age 65 or over.

Cities and towns[]

Coordinates: 39°59′N 90°15′W / 39.98, -90.25

This page uses content from the English language Wikipedia. The original content was at Cass 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.