People QuickFacts Jefferson County Idaho Population, 2012 estimate 26,684 1,595,728 Population, 2010 (April 1) estimates base 26,140 1,567,652 Population, percent change, April 1, 2010 to July 1, 2012 2.1% 1.8% Population, 2010 26,140 1,567,582 Persons under 5 years, percent, 2011 10.2% 7.5% Persons under 18 years, percent, 2011 35.1% 27.0% Persons 65 years and over, percent, 2011 9.8% 12.8% Female persons, percent, 2011 49.7% 49.9%  White persons, percent, 2011 (a) 96.2% 93.9% Black persons, percent, 2011 (a) 0.4% 0.8% American Indian and Alaska Native persons, percent, 2011 (a) 1.2% 1.7% Asian persons, percent, 2011 (a) 0.5% 1.3% Native Hawaiian and Other Pacific Islander persons, percent, 2011 (a) 0.1% 0.2% Persons reporting two or more races, percent, 2011 1.6% 2.1% Persons of Hispanic or Latino Origin, percent, 2011 (b) 10.4% 11.5% White persons not Hispanic, percent, 2011 87.2% 83.6%  Living in same house 1 year & over, percent, 2007-2011 85.8% 82.0% Foreign born persons, percent, 2007-2011 4.3% 5.9% Language other than English spoken at home, percent age 5+, 2007-2011 9.1% 10.2% High school graduate or higher, percent of persons age 25+, 2007-2011 87.3% 88.5% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 19.8% 24.6% Veterans, 2007-2011 1,537 127,438 Mean travel time to work (minutes), workers age 16+, 2007-2011 25.8 20.0  Housing units, 2011 8,857 674,394 Homeownership rate, 2007-2011 81.5% 70.6% Housing units in multi-unit structures, percent, 2007-2011 5.3% 15.1% Median value of owner-occupied housing units, 2007-2011 $158,200 $171,300 Households, 2007-2011 8,155 575,497 Persons per household, 2007-2011 3.08 2.64 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $19,648 $22,788 Median household income, 2007-2011 $52,799 $46,890 Persons below poverty level, percent, 2007-2011 10.6% 14.3%     Business QuickFacts Jefferson County Idaho Private nonfarm establishments, 2010 433 43,450 Private nonfarm employment, 2010 3,392 487,875 Private nonfarm employment, percent change, 2000-2010 7.7 8.2 Nonemployer establishments, 2010 2,020 112,316  Total number of firms, 2007 2,929 151,671 Black-owned firms, percent, 2007 F 0.2% American Indian- and Alaska Native-owned firms, percent, 2007 1.0% 0.9% Asian-owned firms, percent, 2007 F 0.8% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F S Hispanic-owned firms, percent, 2007 S 2.6% Women-owned firms, percent, 2007 S 23.5%  Manufacturers shipments, 2007 ($1000) D 18,010,976 Merchant wholesaler sales, 2007 ($1000) D 14,286,715 Retail sales, 2007 ($1000) 92,388 20,526,631 Retail sales per capita, 2007 $4,058 $13,691 Accommodation and food services sales, 2007 ($1000) 7,387 2,415,951 Building permits, 2011 51 3,815     Geography QuickFacts Jefferson County Idaho Land area in square miles, 2010 1,093.50 82,643.12 Persons per square mile, 2010 23.9 19.0 FIPS Code 051 16 Metropolitan or Micropolitan Statistical Area Idaho Falls, ID 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