People QuickFacts St. Mary's County Maryland Population, 2012 estimate 108,987 5,884,563 Population, 2010 (April 1) estimates base 105,151 5,773,552 Population, percent change, April 1, 2010 to July 1, 2012 3.6% 1.9% Population, 2010 105,151 5,773,552 Persons under 5 years, percent, 2011 7.0% 6.3% Persons under 18 years, percent, 2011 25.7% 23.1% Persons 65 years and over, percent, 2011 10.4% 12.5% Female persons, percent, 2011 50.1% 51.6%  White persons, percent, 2011 (a) 79.2% 61.1% Black persons, percent, 2011 (a) 14.6% 30.0% American Indian and Alaska Native persons, percent, 2011 (a) 0.5% 0.5% Asian persons, percent, 2011 (a) 2.7% 5.8% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.1% Persons reporting two or more races, percent, 2011 3.0% 2.5% Persons of Hispanic or Latino Origin, percent, 2011 (b) 4.0% 8.4% White persons not Hispanic, percent, 2011 76.0% 54.4%  Living in same house 1 year & over, percent, 2007-2011 85.6% 86.4% Foreign born persons, percent, 2007-2011 3.7% 13.5% Language other than English spoken at home, percent age 5+, 2007-2011 6.6% 16.2% High school graduate or higher, percent of persons age 25+, 2007-2011 89.8% 88.2% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 28.5% 36.1% Veterans, 2007-2011 12,639 443,652 Mean travel time to work (minutes), workers age 16+, 2007-2011 29.8 31.7  Housing units, 2011 41,600 2,391,350 Homeownership rate, 2007-2011 73.0% 68.7% Housing units in multi-unit structures, percent, 2007-2011 12.9% 25.4% Median value of owner-occupied housing units, 2007-2011 $324,500 $319,800 Households, 2007-2011 36,662 2,128,377 Persons per household, 2007-2011 2.76 2.63 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $34,718 $35,751 Median household income, 2007-2011 $82,529 $72,419 Persons below poverty level, percent, 2007-2011 7.3% 9.0%     Business QuickFacts St. Mary's County Maryland Private nonfarm establishments, 2010 1,910 134,579 Private nonfarm employment, 2010 28,996 2,075,507 Private nonfarm employment, percent change, 2000-2010 30.9 0.8 Nonemployer establishments, 2010 6,072 424,163  Total number of firms, 2007 7,383 528,112 Black-owned firms, percent, 2007 7.4% 19.3% American Indian- and Alaska Native-owned firms, percent, 2007 0.6% 0.6% Asian-owned firms, percent, 2007 3.3% 6.8% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 1.1% 4.9% Women-owned firms, percent, 2007 37.4% 32.6%  Manufacturers shipments, 2007 ($1000) D 41,456,097 Merchant wholesaler sales, 2007 ($1000) D 51,276,797 Retail sales, 2007 ($1000) 1,193,036 75,664,186 Retail sales per capita, 2007 $11,883 $13,429 Accommodation and food services sales, 2007 ($1000) 132,293 10,758,428 Building permits, 2011 784 13,481     Geography QuickFacts St. Mary's County Maryland Land area in square miles, 2010 357.18 9,707.24 Persons per square mile, 2010 294.4 594.8 FIPS Code 037 24 Metropolitan or Micropolitan Statistical Area Lexington Park, MD 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