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

307 sq mi (796 km²)
306 sq mi (792 km²)
2 sq mi (4 km²), 0.52%
 - (2000)
 - Density

23/sq mi (9/km²)
Time zone Central: UTC-6/-5

Brown County is a county located in the U.S. state of Illinois. As of the 2000 census, the population is 6,950. Its county seat is Mount Sterling6.


According to the U.S. Census Bureau, the county has a total area of 796 km² (307 sq mi). 792 km² (306 sq mi) of it is land and 4 km² (2 sq mi) of it (0.52%) is water.

Adjacent Counties[]


Brown County was formed out of Schuyler County in 1839. It is named in honor of Gen. Jacob Brown, who defeated the British at the Battle of Sackett's Harbor in 1813.


2000 census age pyramid for Brown County.

Historical populations
Census Pop.
1900 11,557
1910 10,397 −10.0%
1920 9,336 −10.2%
1930 7,892 −15.5%
1940 8,053 2.0%
1950 7,132 −11.4%
1960 6,210 −12.9%
1970 5,586 −10.0%
1980 5,411 −3.1%
1990 5,836 7.9%
2000 6,950 19.1%
IL Counties 1900-1990

As of the census2 of 2000, there were 6,950 people, 2,108 households, and 1,380 families residing in the county. The population density was 9/km² (23/sq mi). There were 2,456 housing units at an average density of 3/km² (8/sq mi). The racial makeup of the county was 80.29% White, 18.20% Black or African American, 0.09% Native American, 0.13% Asian, 0.07% Pacific Islander, 0.68% from other races, and 0.55% from two or more races. 3.93% of the population were Hispanic or Latino of any race.

There were 2,108 households out of which 29.10% had children under the age of 18 living with them, 55.30% were married couples living together, 6.80% had a female householder with no husband present, and 34.50% were non-families. 30.80% 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 2.36 and the average family size was 2.96.

In the county the population was spread out with 17.80% under the age of 18, 12.60% from 18 to 24, 37.50% from 25 to 44, 19.40% from 45 to 64, and 12.70% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 174.70 males. For every 100 females age 18 and over, there were 194.50 males.

The median income for a household in the county was $35,445, and the median income for a family was $43,207. Males had a median income of $24,888 versus $20,558 for females. The per capita income for the county was $14,629. About 4.80% of families and 8.50% of the population were below the poverty line, including 10.00% of those under age 18 and 10.00% of those age 65 or over.

The Illinois state prison, Western Illinois Correctional Center, located south east of Mount Sterling, has an average daily population of 2,066. The all male population and racial makeup of the prison is so large, compared to the rest of the county, that it skews the census demographic data. This is evidenced by the lopsided age pyramid.[1]

Cities and towns[]

Coordinates: 39°57′N 90°45′W / 39.95, -90.75

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