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Richland County, Illinois
Map of Illinois highlighting Richland County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded February 24 1841
Seat Olney
 - Total
 - Land
 - Water

362 sq mi (938 km²)
360 sq mi (932 km²)
2 sq mi (5 km²), 0.52%
 - (2000)
 - Density

44/sq mi (17/km²)

Richland County is a county located in the U.S. state of Illinois. As of 2000, the population is 16,149. Its county seat is Olney6.


According to the U.S. Census Bureau, the county has a total area of 938 km² (362 sq mi). 933 km² (360 sq mi) of it is land and 5 km² (2 sq mi) of it (0.52%) is water.

Adjacent Counties[]


Historical populations
Census Pop.
1900 16,391
1910 15,970 −2.6%
1920 14,044 −12.1%
1930 14,053 0.1%
1940 17,137 21.9%
1950 16,889 −1.4%
1960 16,299 −3.5%
1970 16,829 3.3%
1980 17,587 4.5%
1990 16,545 −5.9%
2000 16,149 −2.4%
IL Counties 1900-1990

As of the census2 of 2000, there were 16,149 people, 6,660 households, and 4,535 families residing in the county. The population density was 17/km² (45/sq mi). There were 7,468 housing units at an average density of 8/km² (21/sq mi). The racial makeup of the county was 98.16% White, 0.29% Black or African American, 0.12% Native American, 0.57% Asian, 0.04% Pacific Islander, 0.22% from other races, and 0.59% from two or more races. 0.77% of the population were Hispanic or Latino of any race.

There were 6,660 households out of which 30.50% had children under the age of 18 living with them, 55.80% were married couples living together, 8.80% had a female householder with no husband present, and 31.90% were non-families. 27.70% 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 2.40 and the average family size was 2.92.

In the county the population was spread out with 24.50% under the age of 18, 8.30% from 18 to 24, 26.60% from 25 to 44, 23.00% from 45 to 64, and 17.60% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 89.80 males.

The median income for a household in the county was $31,185, and the median income for a family was $40,000. Males had a median income of $28,955 versus $19,693 for females. The per capita income for the county was $16,847. About 9.80% of families and 12.90% of the population were below the poverty line, including 16.60% of those under age 18 and 7.00% of those age 65 or over.

Cities and towns[]

Census designated places[]

Coordinates: 38°43′N 88°05′W / 38.71, -88.09

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