Williamson County is located in southern Illinois. The County Seat is Marion and the largest city is Marion. The Official Web Site is located at http://www.williamsoncountyil.gov/. The 2014 population estimate is 67,008 and the 2010 census population was 66,362. The land area is 420.15 square miles and there are 157.9 persons per square mile.
92.8% of the population is White, 4.2% is Black or African American, 2.2% is Hispanic or Latino, 0.9% is Asian, 0.4% is American Indian or Alaska Native, 0% is Native Hawaiian or Pacific Islander, and 1.6% is two or more races. 88.9% have a high school degree or higher, and 22.5% have a Bachelor degree or higher.
The median home value is $93,700, there are 26,819 households, an average of 2.41 persons per household. The per capita income is $23,605, the median household income is $43,125, and 15.6% of the persons in Williamson County are considered below poverty level.
The total number of firms, at last estimate, was 5,881. Retail sales (in $1000) were $987,511, and sales per capita were $15,370. The percentage of black-owned firms is 0%, and the percentage of women-owned firms is 27.7%.
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