Rock Island County is located in northwest Illinois. The County Seat is Rock Island and the largest city is Moline. The Official Web Site is located at http://www.co.rock-island.il.us/. The 2014 population estimate is 146,063 and the 2010 census population was 147,546. The land area is 427.64 square miles and there are 345 persons per square mile.
85% of the population is White, 9.6% is Black or African American, 12.3% is Hispanic or Latino, 2.2% is Asian, 0.5% is American Indian or Alaska Native, 0% is Native Hawaiian or Pacific Islander, and 2.6% is two or more races. 87.4% have a high school degree or higher, and 21.8% have a Bachelor degree or higher.
The median home value is $113,800, there are 60,456 households, an average of 2.37 persons per household. The per capita income is $26,455, the median household income is $48,702, and 13.3% of the persons in Rock Island County are considered below poverty level.
The total number of firms, at last estimate, was 9,360. Retail sales (in $1000) were $1,711,386, and sales per capita were $11,636. The percentage of black-owned firms is 5.1%, and the percentage of women-owned firms is 29.4%.
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