People QuickFacts Knox County Maine Population, 2012 estimate 39,668 1,329,192 Population, 2010 (April 1) estimates base 39,736 1,328,361 Population, percent change, April 1, 2010 to July 1, 2012 -0.2% 0.1% Population, 2010 39,736 1,328,361 Persons under 5 years, percent, 2011 4.8% 5.1% Persons under 18 years, percent, 2011 19.0% 20.3% Persons 65 years and over, percent, 2011 19.7% 16.3% Female persons, percent, 2011 50.6% 51.1%  White persons, percent, 2011 (a) 97.1% 95.4% Black persons, percent, 2011 (a) 0.6% 1.3% American Indian and Alaska Native persons, percent, 2011 (a) 0.4% 0.7% Asian persons, percent, 2011 (a) 0.5% 1.1% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) Z Z Persons reporting two or more races, percent, 2011 1.4% 1.5% Persons of Hispanic or Latino Origin, percent, 2011 (b) 1.0% 1.4% White persons not Hispanic, percent, 2011 96.3% 94.3%  Living in same house 1 year & over, percent, 2007-2011 87.0% 86.2% Foreign born persons, percent, 2007-2011 2.2% 3.3% Language other than English spoken at home, percent age 5+, 2007-2011 2.6% 7.0% High school graduate or higher, percent of persons age 25+, 2007-2011 90.3% 90.2% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 28.4% 27.1% Veterans, 2007-2011 4,497 134,547 Mean travel time to work (minutes), workers age 16+, 2007-2011 18.5 23.0  Housing units, 2011 23,812 725,577 Homeownership rate, 2007-2011 79.0% 72.7% Housing units in multi-unit structures, percent, 2007-2011 12.6% 19.3% Median value of owner-occupied housing units, 2007-2011 $202,800 $176,600 Households, 2007-2011 16,876 551,601 Persons per household, 2007-2011 2.32 2.34 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $26,504 $26,195 Median household income, 2007-2011 $46,845 $47,898 Persons below poverty level, percent, 2007-2011 11.4% 12.8%     Business QuickFacts Knox County Maine Private nonfarm establishments, 2010 1,719 40,571 Private nonfarm employment, 2010 13,737 480,932 Private nonfarm employment, percent change, 2000-2010 -2.7 -2.2 Nonemployer establishments, 2010 5,648 110,374  Total number of firms, 2007 7,104 150,389 Black-owned firms, percent, 2007 F 0.5% American Indian- and Alaska Native-owned firms, percent, 2007 F 0.5% Asian-owned firms, percent, 2007 0.5% 0.7% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.0% Hispanic-owned firms, percent, 2007 S 0.7% Women-owned firms, percent, 2007 18.6% 25.6%  Manufacturers shipments, 2007 ($1000) 386,986 16,363,192 Merchant wholesaler sales, 2007 ($1000) 177,977 8,823,719 Retail sales, 2007 ($1000) 640,156 20,444,031 Retail sales per capita, 2007 $15,659 $15,520 Accommodation and food services sales, 2007 ($1000) 90,110 2,515,827 Building permits, 2011 124 2,744     Geography QuickFacts Knox County Maine Land area in square miles, 2010 365.13 30,842.92 Persons per square mile, 2010 108.8 43.1 FIPS Code 013 23 Metropolitan or Micropolitan Statistical Area Rockland, ME Micro 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