| DARKE Resident total population estimate (July 1) 2009 | 51814 |
| DARKE Resident total population estimates base (April 1) 2000 | 53309 |
| DARKE Resident total population estimate percent change - April 1 2000 to July 1 2009 | -2.8 |
| DARKE Resident total population estimate net change - April 1 2000 to July 1 2009 | -1495 |
| DARKE Resident population (April 1) 2000 (complete count) | 53309 |
| DARKE Resident population under 5 years (July 1 - estimate) 2008 | 3386 |
| DARKE Resident population under 5 years percent (July 1 - estimate) 2008 | 6.5 |
| DARKE Resident population under 18 years (July 1 - estimate) 2008 | 12347 |
| DARKE Resident population under 18 years percent (July 1 - estimate) 2008 | 23.7 |
| DARKE Resident population 65 years and over percent (July 1 - estimate) 2008 | 16.4 |
| DARKE Resident population 65 years and over (July 1 - estimate) 2008 | 8512 |
| DARKE Resident population: total females percent (July 1 - estimate) 2008 | 50.9 |
| DARKE Resident population: White alone (July 1 - estimate) 2008 | 50955 |
| DARKE Resident population: Black alone (July 1 - estimate) 2008 | 323 |
| DARKE Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 97 |
| DARKE Resident population: Asian alone (July 1 - estimate) 2008 | 198 |
| DARKE Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 12 |
| DARKE Resident population: Two or more races (July 1 - estimate) 2008 | 442 |
| DARKE Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 563 |
| DARKE Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 50434 |
| DARKE Resident population: White alone percent (July 1 - estimate) 2008 | 97.9 |
| DARKE Resident population: Black alone percent (July 1 - estimate) 2008 | 0.6 |
| DARKE Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.2 |
| DARKE Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.4 |
| DARKE Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| DARKE Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.8 |
| DARKE Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1.1 |
| DARKE Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 96.9 |
| DARKE Births 2006 | 698 |
| DARKE Deaths 2006 | 538 |
| DARKE Infant deaths under one year 2006 | 4 |
| DARKE Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 65.6 |
| DARKE Percent foreign born population 2000 (sample) | 0.7 |
| DARKE Population 5 years and over percent speaking language other than English at home 2000 (sample) | 1.9 |
| DARKE Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 82.8 |
| DARKE Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 10.1 |
| DARKE Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 9341 |
| DARKE Average travel time to work for workers 16 years and over not working at home 2000 | 22.8 |
| DARKE Housing unit estimates as of July 1 2008 | 22335 |
| DARKE Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 752 |
| DARKE Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 3.5 |
| DARKE Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 76.6 |
| DARKE Median value of specified owner-occupied housing units 2000 (sample) | 91100 |
| DARKE Housing units by units in structure - multiple units 2000 (sample) | 12.4 |
| DARKE Households 2000 (complete count) | 20419 |
| DARKE Persons per household 2000 (complete count) | 2.56 |
| DARKE Per capita income in 1999 | 18670 |
| DARKE Median household income 2008 | 44662 |
| DARKE People of all ages in poverty - percent 2008 | 9.8 |
| DARKE Personal income 2007 | 1534 |
| DARKE Per capita personal income 2007 | 29405 |
| DARKE Civilian labor force 2008 | 28089 |
| DARKE Civilian labor force unemployment 2008 | 1801 |
| DARKE Civilian labor force unemployment rate 2008 | 6.4 |
| DARKE Employment in all industries (NAICS no code) 2007 | 28348 |
| DARKE Employment in all industries net change 2000 - 2007 | -268 |
| DARKE Employment in government (NAICS 92) 2007 | 2484 |
| DARKE Earnings in all industries (NAICS no code) 2007 | 854956 |
| DARKE Earnings in all industries (NAICS no code) average earnings per job 2007 | 30159 |
| DARKE Private nonfarm establishments 2007 | 1216 |
| DARKE Private nonfarm employment for pay period including March 12 2007 | 15937 |
| DARKE Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -4.5 |
| DARKE Nonemployer: total (NAICS 00) - establishments 2007 | 3551 |
| DARKE Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 34933 |
| DARKE Total number of firms 2002 | 4352 |
| DARKE Total Black-owned firms percent 2002 | 0 |
| DARKE Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| DARKE Total Asian-owned firms percent 2002 | 0 |
| DARKE Total Hispanic-owned firms percent 2002 | 0 |
| DARKE Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| DARKE Total women-owned firms percent 2002 | 29.2 |
| DARKE Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 1.14463e+06 |
| DARKE Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 282876 |
| DARKE Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 431859 |
| DARKE Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 8154 |
| DARKE New private housing units authorized by building permits - total 2008 (20000-place universe) | 56 |
| DARKE Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 10560 |
| DARKE Land in farms (NAICS) 2007 (acres) (adjusted) | 350450 |
| DARKE Federal Government expenditure - total FY 2008 | 301417 |
| DARKE Federal Government expenditure per capita FY 2008 | 5793 |
| DARKE Land area in square miles 2000 | 599.8 |
| DARKE Population per square mile 2000 | 89 |
