People QuickFacts Calvert County Maryland Population, 2012 estimate 89,628 5,884,563 Population, 2010 (April 1) estimates base 88,737 5,773,552 Population, percent change, April 1, 2010 to July 1, 2012 1.0% 1.9% Population, 2010 88,737 5,773,552 Persons under 5 years, percent, 2011 5.5% 6.3% Persons under 18 years, percent, 2011 25.4% 23.1% Persons 65 years and over, percent, 2011 11.4% 12.5% Female persons, percent, 2011 50.9% 51.6%  White persons, percent, 2011 (a) 81.7% 61.1% Black persons, percent, 2011 (a) 13.8% 30.0% American Indian and Alaska Native persons, percent, 2011 (a) 0.4% 0.5% Asian persons, percent, 2011 (a) 1.5% 5.8% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.1% Persons reporting two or more races, percent, 2011 2.5% 2.5% Persons of Hispanic or Latino Origin, percent, 2011 (b) 2.9% 8.4% White persons not Hispanic, percent, 2011 79.3% 54.4%  Living in same house 1 year & over, percent, 2007-2011 91.2% 86.4% Foreign born persons, percent, 2007-2011 3.5% 13.5% Language other than English spoken at home, percent age 5+, 2007-2011 4.7% 16.2% High school graduate or higher, percent of persons age 25+, 2007-2011 92.1% 88.2% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 29.2% 36.1% Veterans, 2007-2011 8,934 443,652 Mean travel time to work (minutes), workers age 16+, 2007-2011 39.4 31.7  Housing units, 2011 34,148 2,391,350 Homeownership rate, 2007-2011 84.0% 68.7% Housing units in multi-unit structures, percent, 2007-2011 5.5% 25.4% Median value of owner-occupied housing units, 2007-2011 $384,500 $319,800 Households, 2007-2011 30,381 2,128,377 Persons per household, 2007-2011 2.89 2.63 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $37,321 $35,751 Median household income, 2007-2011 $92,981 $72,419 Persons below poverty level, percent, 2007-2011 4.6% 9.0%     Business QuickFacts Calvert County Maryland Private nonfarm establishments, 2011 1,687 133,248 Private nonfarm employment, 2011 17,128 2,104,022 Private nonfarm employment, percent change, 2010-2011 -0.2% 1.4% Nonemployer establishments, 2010 6,115 424,163  Total number of firms, 2007 7,554 528,112 Black-owned firms, percent, 2007 13.0% 19.3% American Indian- and Alaska Native-owned firms, percent, 2007 S 0.6% Asian-owned firms, percent, 2007 S 6.8% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 S 4.9% Women-owned firms, percent, 2007 33.4% 32.6%  Manufacturers shipments, 2007 ($1000) D 41,456,097 Merchant wholesaler sales, 2007 ($1000) 43,666 51,276,797 Retail sales, 2007 ($1000) 730,625 75,664,186 Retail sales per capita, 2007 $8,291 $13,429 Accommodation and food services sales, 2007 ($1000) 110,741 10,758,428 Building permits, 2012 276 15,217     Geography QuickFacts Calvert County Maryland Land area in square miles, 2010 213.15 9,707.24 Persons per square mile, 2010 416.3 594.8 FIPS Code 009 24 Metropolitan or Micropolitan Statistical Area Washington-Arlington-Alexandria, DC-VA-MD-WV 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