People QuickFacts Clayton County Iowa Population, 2012 estimate 17,835 3,074,186 Population, 2010 (April 1) estimates base 18,129 3,046,857 Population, percent change, April 1, 2010 to July 1, 2012 -1.6% 0.9% Population, 2010 18,129 3,046,355 Persons under 5 years, percent, 2011 5.8% 6.5% Persons under 18 years, percent, 2011 22.7% 23.7% Persons 65 years and over, percent, 2011 19.7% 14.9% Female persons, percent, 2011 50.0% 50.4%  White persons, percent, 2011 (a) 98.3% 93.0% Black persons, percent, 2011 (a) 0.5% 3.1% American Indian and Alaska Native persons, percent, 2011 (a) 0.1% 0.5% Asian persons, percent, 2011 (a) 0.2% 1.9% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.1% Persons reporting two or more races, percent, 2011 0.7% 1.5% Persons of Hispanic or Latino Origin, percent, 2011 (b) 1.8% 5.2% White persons not Hispanic, percent, 2011 96.7% 88.4%  Living in same house 1 year & over, percent, 2007-2011 87.7% 84.3% Foreign born persons, percent, 2007-2011 1.7% 4.2% Language other than English spoken at home, percent age 5+, 2007-2011 3.9% 7.0% High school graduate or higher, percent of persons age 25+, 2007-2011 90.9% 90.3% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 15.3% 24.9% Veterans, 2007-2011 1,672 239,229 Mean travel time to work (minutes), workers age 16+, 2007-2011 21.6 18.6  Housing units, 2011 9,019 1,340,529 Homeownership rate, 2007-2011 78.4% 73.0% Housing units in multi-unit structures, percent, 2007-2011 11.0% 18.5% Median value of owner-occupied housing units, 2007-2011 $97,900 $121,300 Households, 2007-2011 7,678 1,219,137 Persons per household, 2007-2011 2.31 2.41 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $23,485 $26,110 Median household income, 2007-2011 $46,644 $50,451 Persons below poverty level, percent, 2007-2011 13.4% 11.9%     Business QuickFacts Clayton County Iowa Private nonfarm establishments, 2010 531 80,801 Private nonfarm employment, 2010 5,061 1,253,095 Private nonfarm employment, percent change, 2000-2010 -13.4 -0.9 Nonemployer establishments, 2010 1,404 201,448  Total number of firms, 2007 1,725 259,931 Black-owned firms, percent, 2007 F 0.8% American Indian- and Alaska Native-owned firms, percent, 2007 F 0.2% Asian-owned firms, percent, 2007 F 1.1% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 F 0.9% Women-owned firms, percent, 2007 S 25.5%  Manufacturers shipments, 2007 ($1000) 206,396 97,592,051 Merchant wholesaler sales, 2007 ($1000) 564,637 41,068,338 Retail sales, 2007 ($1000) 163,572 39,234,649 Retail sales per capita, 2007 $9,249 $13,172 Accommodation and food services sales, 2007 ($1000) 53,722 4,737,719 Building permits, 2011 41 7,526     Geography QuickFacts Clayton County Iowa Land area in square miles, 2010 778.54 55,857.13 Persons per square mile, 2010 23.3 54.5 FIPS Code 043 19 Metropolitan or Micropolitan Statistical Area None   (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