People QuickFacts Rock Island County Illinois Population, 2012 estimate 147,457 12,875,255 Population, 2010 (April 1) estimates base 147,546 12,830,632 Population, percent change, April 1, 2010 to July 1, 2012 -0.1% 0.3% Population, 2010 147,546 12,830,632 Persons under 5 years, percent, 2011 6.3% 6.4% Persons under 18 years, percent, 2011 22.4% 24.1% Persons 65 years and over, percent, 2011 16.4% 12.7% Female persons, percent, 2011 50.9% 50.9%  White persons, percent, 2011 (a) 85.9% 78.0% Black persons, percent, 2011 (a) 9.3% 14.8% American Indian and Alaska Native persons, percent, 2011 (a) 0.6% 0.6% Asian persons, percent, 2011 (a) 1.8% 4.8% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) Z 0.1% Persons reporting two or more races, percent, 2011 2.3% 1.7% Persons of Hispanic or Latino Origin, percent, 2011 (b) 11.9% 16.2% White persons not Hispanic, percent, 2011 75.4% 63.3%  Living in same house 1 year & over, percent, 2007-2011 85.6% 86.7% Foreign born persons, percent, 2007-2011 6.9% 13.7% Language other than English spoken at home, percent age 5+, 2007-2011 11.2% 22.0% High school graduate or higher, percent of persons age 25+, 2007-2011 86.8% 86.6% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 22.0% 30.7% Veterans, 2007-2011 13,078 770,388 Mean travel time to work (minutes), workers age 16+, 2007-2011 18.6 28.1  Housing units, 2011 65,758 5,297,318 Homeownership rate, 2007-2011 71.2% 68.7% Housing units in multi-unit structures, percent, 2007-2011 21.6% 32.9% Median value of owner-occupied housing units, 2007-2011 $113,100 $198,500 Households, 2007-2011 60,527 4,773,002 Persons per household, 2007-2011 2.36 2.62 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $25,609 $29,376 Median household income, 2007-2011 $46,726 $56,576 Persons below poverty level, percent, 2007-2011 12.4% 13.1%     Business QuickFacts Rock Island County Illinois Private nonfarm establishments, 2010 3,350 314,171 Private nonfarm employment, 2010 61,270 4,980,011 Private nonfarm employment, percent change, 2000-2010 -11.8 -9.5 Nonemployer establishments, 2010 6,878 903,025  Total number of firms, 2007 9,360 1,123,817 Black-owned firms, percent, 2007 5.1% 9.5% American Indian- and Alaska Native-owned firms, percent, 2007 S 0.5% Asian-owned firms, percent, 2007 S 5.3% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 2.9% 5.0% Women-owned firms, percent, 2007 29.4% 30.5%  Manufacturers shipments, 2007 ($1000) 3,714,268 257,760,713 Merchant wholesaler sales, 2007 ($1000) 1,437,502 231,082,768 Retail sales, 2007 ($1000) 1,711,386 165,450,520 Retail sales per capita, 2007 $11,636 $12,947 Accommodation and food services sales, 2007 ($1000) 224,219 25,469,026 Building permits, 2011 107 11,809     Geography QuickFacts Rock Island County Illinois Land area in square miles, 2010 427.64 55,518.93 Persons per square mile, 2010 345.0 231.1 FIPS Code 161 17 Metropolitan or Micropolitan Statistical Area Davenport-Moline-Rock Island, IA-IL Metro Area   (a) Includes persons reporting only one race. (b) Hispanics may be of any race, so also are included in applicable race categories. FN: Footnote on this item for this area in place of data NA: Not available D: Suppressed to avoid disclosure of confidential information X: Not applicable S: Suppressed; does not meet publication standards Z: Value greater than zero but less than half unit of measure shown F: Fewer than 100 firms Source: US Census Bureau State & County QuickFacts