People QuickFacts Union County Tennessee Population, 2012 estimate 19,127 6,456,243 Population, 2010 (April 1) estimates base 19,109 6,346,113 Population, percent change, April 1, 2010 to July 1, 2012 0.1% 1.7% Population, 2010 19,109 6,346,105 Persons under 5 years, percent, 2011 6.3% 6.3% Persons under 18 years, percent, 2011 23.6% 23.3% Persons 65 years and over, percent, 2011 14.3% 13.7% Female persons, percent, 2011 50.1% 51.3%  White persons, percent, 2011 (a) 97.7% 79.5% Black persons, percent, 2011 (a) 0.4% 16.9% American Indian and Alaska Native persons, percent, 2011 (a) 0.4% 0.4% Asian persons, percent, 2011 (a) 0.2% 1.5% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.1% Persons reporting two or more races, percent, 2011 1.3% 1.6% Persons of Hispanic or Latino Origin, percent, 2011 (b) 1.5% 4.7% White persons not Hispanic, percent, 2011 96.5% 75.4%  Living in same house 1 year & over, percent, 2007-2011 89.2% 84.1% Foreign born persons, percent, 2007-2011 0.9% 4.5% Language other than English spoken at home, percent age 5+, 2007-2011 1.6% 6.4% High school graduate or higher, percent of persons age 25+, 2007-2011 70.0% 83.2% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 6.6% 23.0% Veterans, 2007-2011 1,023 501,665 Mean travel time to work (minutes), workers age 16+, 2007-2011 33.0 24.0  Housing units, 2011 8,943 2,829,025 Homeownership rate, 2007-2011 79.6% 69.0% Housing units in multi-unit structures, percent, 2007-2011 5.9% 18.1% Median value of owner-occupied housing units, 2007-2011 $92,200 $137,200 Households, 2007-2011 7,334 2,457,997 Persons per household, 2007-2011 2.59 2.50 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $16,423 $24,197 Median household income, 2007-2011 $31,535 $43,989 Persons below poverty level, percent, 2007-2011 21.8% 16.9%     Business QuickFacts Union County Tennessee Private nonfarm establishments, 2010 203 131,582 Private nonfarm employment, 2010 1,696 2,264,032 Private nonfarm employment, percent change, 2000-2010 -17.7 -5.3 Nonemployer establishments, 2010 1,396 465,545  Total number of firms, 2007 1,489 545,348 Black-owned firms, percent, 2007 F 8.4% American Indian- and Alaska Native-owned firms, percent, 2007 F 0.5% Asian-owned firms, percent, 2007 F 2.0% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 S 1.6% Women-owned firms, percent, 2007 20.1% 25.9%  Manufacturers shipments, 2007 ($1000) 125,615 140,447,760 Merchant wholesaler sales, 2007 ($1000) 6,581 80,116,528 Retail sales, 2007 ($1000) 60,543 77,547,291 Retail sales per capita, 2007 $3,198 $12,563 Accommodation and food services sales, 2007 ($1000) 5,737 10,626,759 Building permits, 2011 45 14,977     Geography QuickFacts Union County Tennessee Land area in square miles, 2010 223.55 41,234.90 Persons per square mile, 2010 85.5 153.9 FIPS Code 173 47 Metropolitan or Micropolitan Statistical Area Knoxville, TN 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