People QuickFacts New Castle County Delaware Population, 2012 estimate 546,076 917,092 Population, 2010 (April 1) estimates base 538,479 897,934 Population, percent change, April 1, 2010 to July 1, 2012 1.4% 2.1% Population, 2010 538,479 897,934 Persons under 5 years, percent, 2011 6.1% 6.1% Persons under 18 years, percent, 2011 22.8% 22.6% Persons 65 years and over, percent, 2011 12.5% 14.7% Female persons, percent, 2011 51.5% 51.5%  White persons, percent, 2011 (a) 68.5% 71.7% Black persons, percent, 2011 (a) 24.3% 21.9% American Indian and Alaska Native persons, percent, 2011 (a) 0.4% 0.7% Asian persons, percent, 2011 (a) 4.5% 3.4% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.1% Persons reporting two or more races, percent, 2011 2.1% 2.3% Persons of Hispanic or Latino Origin, percent, 2011 (b) 9.0% 8.4% White persons not Hispanic, percent, 2011 61.3% 65.1%  Living in same house 1 year & over, percent, 2007-2011 84.8% 85.8% Foreign born persons, percent, 2007-2011 9.9% 8.3% Language other than English spoken at home, percent age 5+, 2007-2011 14.3% 12.3% High school graduate or higher, percent of persons age 25+, 2007-2011 88.9% 87.4% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 32.7% 28.0% Veterans, 2007-2011 38,920 77,593 Mean travel time to work (minutes), workers age 16+, 2007-2011 24.6 24.6  Housing units, 2011 218,418 409,757 Homeownership rate, 2007-2011 70.5% 73.0% Housing units in multi-unit structures, percent, 2007-2011 22.7% 17.5% Median value of owner-occupied housing units, 2007-2011 $254,400 $244,100 Households, 2007-2011 199,922 332,837 Persons per household, 2007-2011 2.60 2.60 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $31,988 $29,659 Median household income, 2007-2011 $64,158 $59,317 Persons below poverty level, percent, 2007-2011 10.7% 11.2%     Business QuickFacts New Castle County Delaware Private nonfarm establishments, 2011 15,448 24,132 Private nonfarm employment, 2011 251,479 359,602 Private nonfarm employment, percent change, 2010-2011 -1.4% 0.2% Nonemployer establishments, 2010 31,427 53,854  Total number of firms, 2007 43,660 74,573 Black-owned firms, percent, 2007 10.1% 8.7% American Indian- and Alaska Native-owned firms, percent, 2007 S S Asian-owned firms, percent, 2007 5.1% 4.0% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.0% Hispanic-owned firms, percent, 2007 2.1% 2.1% Women-owned firms, percent, 2007 26.5% 26.1%  Manufacturers shipments, 2007 ($1000) 20,268,769 25,679,939 Merchant wholesaler sales, 2007 ($1000) D 5,727,401 Retail sales, 2007 ($1000) 8,633,413 14,202,083 Retail sales per capita, 2007 $16,358 $16,421 Accommodation and food services sales, 2007 ($1000) 999,186 1,910,770 Building permits, 2012 1,222 4,091     Geography QuickFacts New Castle County Delaware Land area in square miles, 2010 426.29 1,948.54 Persons per square mile, 2010 1,263.2 460.8 FIPS Code 003 10 Metropolitan or Micropolitan Statistical Area Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 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