People QuickFacts Irmo South Carolina Population, 2011 estimate 11,283 4,673,348 Population, 2010 (April 1) estimates base 11,118 4,625,364 Population, percent change, April 1, 2010 to July 1, 2011 1.5% 1.0% Population, 2010 11,097 4,625,364 Persons under 5 years, percent, 2010 7.0% 6.5% Persons under 18 years, percent, 2010 25.2% 23.4% Persons 65 years and over, percent, 2010 10.2% 13.7% Female persons, percent, 2010 52.7% 51.4%  White persons, percent, 2010 (a) 64.6% 66.2% Black persons, percent, 2010 (a) 29.9% 27.9% American Indian and Alaska Native persons, percent, 2010 (a) 0.4% 0.4% Asian persons, percent, 2010 (a) 1.6% 1.3% Native Hawaiian and Other Pacific Islander, percent, 2010 (a) 0.0% 0.1% Persons reporting two or more races, percent, 2010 2.5% 1.7% Persons of Hispanic or Latino origin, percent, 2010 (b) 3.3% 5.1% White persons not Hispanic, percent, 2010 62.9% 64.1%  Living in same house 1 year & over, percent, 2007-2011 85.7% 84.7% Foreign born persons, percent, 2007-2011 2.4% 4.8% Language other than English spoken at home, percent age 5+, 2007-2011 4.0% 6.7% High school graduate or higher, percent of persons age 25+, 2007-2011 94.4% 83.6% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 36.3% 24.2% Veterans, 2007-2011 1,340 399,403 Mean travel time to work (minutes), workers age 16+, 2007-2011 21.6 23.3  Housing units, 2010 4,595 2,137,683 Homeownership rate, 2007-2011 77.1% 69.8% Housing units in multi-unit structures, percent, 2007-2011 8.1% 17.6% Median value of owner-occupied housing units, 2007-2011 $128,700 $137,000 Households, 2007-2011 4,459 1,758,732 Persons per household, 2007-2011 2.49 2.52 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $26,174 $23,854 Median household income, 2007-2011 $56,742 $44,587 Persons below poverty level, percent, 2007-2011 14.1% 17.0%     Business QuickFacts Irmo South Carolina Total number of firms, 2007 1,947 360,397 Black-owned firms, percent, 2007 14.3% 12.1% American Indian- and Alaska Native-owned firms, percent, 2007 F 0.5% Asian-owned firms, percent, 2007 3.9% 1.8% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 F 1.7% Women-owned firms, percent, 2007 28.7% 27.6%  Manufacturers shipments, 2007 ($1000) NA 93,977,455 Merchant wholesaler sales, 2007 ($1000) 41,804 40,498,047 Retail sales, 2007 ($1000) 260,303 54,298,410 Retail sales per capita, 2007 $22,444 $12,273 Accommodation and food services sales, 2007 ($1000) 27,885 8,383,463     Geography QuickFacts Irmo South Carolina Land area in square miles, 2010 6.26 30,060.70 Persons per square mile, 2010 1,772.4 153.9 FIPS Code 35890 45 Counties Lexington County Richland County (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