Hamilton County is located in southeast Illinois. The County Seat is McLeansboro and the largest city is McLeansboro. The 2014 population estimate is 8,296 and the 2010 census population was 8,457. The land area is 434.67 square miles and there are 19.5 persons per square mile.
97.9% of the population is White, 0.6% is Black or African American, 1.5% is Hispanic or Latino, 0.2% is Asian, 0.4% is American Indian or Alaska Native, 0% is Native Hawaiian or Pacific Islander, and 0.9% is two or more races. 83.8% have a high school degree or higher, and 15.7% have a Bachelor degree or higher.
The median home value is $72,800, there are 3,512 households, an average of 2.36 persons per household. The per capita income is $21,960, the median household income is $38,417, and 17.1% of the persons in Hamilton County are considered below poverty level.
The total number of firms, at last estimate, was 1,013. Retail sales (in $1000) were $41,922, and sales per capita were $5,145.
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