People QuickFacts Williamson County Tennessee Population, 2012 estimate 192,911 6,456,243 Population, 2010 (April 1) estimates base 183,180 6,346,113 Population, percent change, April 1, 2010 to July 1, 2012 5.3% 1.7% Population, 2010 183,182 6,346,105 Persons under 5 years, percent, 2011 6.4% 6.3% Persons under 18 years, percent, 2011 28.8% 23.3% Persons 65 years and over, percent, 2011 10.1% 13.7% Female persons, percent, 2011 51.2% 51.3%  White persons, percent, 2011 (a) 90.6% 79.5% Black persons, percent, 2011 (a) 4.7% 16.9% American Indian and Alaska Native persons, percent, 2011 (a) 0.3% 0.4% Asian persons, percent, 2011 (a) 3.1% 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) 4.6% 4.7% White persons not Hispanic, percent, 2011 86.3% 75.4%  Living in same house 1 year & over, percent, 2007-2011 87.2% 84.1% Foreign born persons, percent, 2007-2011 6.1% 4.5% Language other than English spoken at home, percent age 5+, 2007-2011 7.9% 6.4% High school graduate or higher, percent of persons age 25+, 2007-2011 94.5% 83.2% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 51.5% 23.0% Veterans, 2007-2011 10,061 501,665 Mean travel time to work (minutes), workers age 16+, 2007-2011 26.9 24.0  Housing units, 2011 69,735 2,829,025 Homeownership rate, 2007-2011 82.2% 69.0% Housing units in multi-unit structures, percent, 2007-2011 11.7% 18.1% Median value of owner-occupied housing units, 2007-2011 $336,900 $137,200 Households, 2007-2011 64,011 2,457,997 Persons per household, 2007-2011 2.79 2.50 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $41,558 $24,197 Median household income, 2007-2011 $89,063 $43,989 Persons below poverty level, percent, 2007-2011 5.5% 16.9%     Business QuickFacts Williamson County Tennessee Private nonfarm establishments, 2010 6,065 131,582 Private nonfarm employment, 2010 90,432 2,264,032 Private nonfarm employment, percent change, 2000-2010 29.4 -5.3 Nonemployer establishments, 2010 20,808 465,545  Total number of firms, 2007 25,339 545,348 Black-owned firms, percent, 2007 2.2% 8.4% American Indian- and Alaska Native-owned firms, percent, 2007 S 0.5% Asian-owned firms, percent, 2007 1.4% 2.0% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 1.4% 1.6% Women-owned firms, percent, 2007 22.5% 25.9%  Manufacturers shipments, 2007 ($1000) 1,106,825 140,447,760 Merchant wholesaler sales, 2007 ($1000) 2,755,997 80,116,528 Retail sales, 2007 ($1000) 3,306,994 77,547,291 Retail sales per capita, 2007 $19,834 $12,563 Accommodation and food services sales, 2007 ($1000) 383,468 10,626,759 Building permits, 2011 1,061 14,977     Geography QuickFacts Williamson County Tennessee Land area in square miles, 2010 582.60 41,234.90 Persons per square mile, 2010 314.4 153.9 FIPS Code 187 47 Metropolitan or Micropolitan Statistical Area Nashville-Davidson--Murfreesboro--Franklin, 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