Warren County is located in northwest Illinois. The County Seat is Monmouth and the largest city is Monmouth. The Official Web Site is located at http://www.warrencountyil.com/. The 2014 population estimate is 17,874 and the 2010 census population was 17,710. The land area is 542.41 square miles and there are 32.6 persons per square mile.
94.2% of the population is White, 2.2% is Black or African American, 9% is Hispanic or Latino, 1.5% is Asian, 0.5% is American Indian or Alaska Native, 0.1% is Native Hawaiian or Pacific Islander, and 1.4% is two or more races. 87.8% have a high school degree or higher, and 20.9% have a Bachelor degree or higher.
The median home value is $81,500, there are 6,972 households, an average of 2.37 persons per household. The per capita income is $21,832, the median household income is $43,536, and 15.8% of the persons in Warren County are considered below poverty level.
The total number of firms, at last estimate, was 1,350. Retail sales (in $1000) were $133,722, and sales per capita were $7,602. The percentage of black-owned firms is 0%, and the percentage of women-owned firms is 29.2%.
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