| CLARK Resident total population estimate (July 1) 2009 | 3431 |
| CLARK Resident total population estimates base (April 1) 2000 | 4143 |
| CLARK Resident total population estimate percent change - April 1 2000 to July 1 2009 | -17.2 |
| CLARK Resident total population estimate net change - April 1 2000 to July 1 2009 | -712 |
| CLARK Resident population (April 1) 2000 (complete count) | 4143 |
| CLARK Resident population under 5 years (July 1 - estimate) 2008 | 206 |
| CLARK Resident population under 5 years percent (July 1 - estimate) 2008 | 6 |
| CLARK Resident population under 18 years (July 1 - estimate) 2008 | 719 |
| CLARK Resident population under 18 years percent (July 1 - estimate) 2008 | 20.9 |
| CLARK Resident population 65 years and over percent (July 1 - estimate) 2008 | 22.1 |
| CLARK Resident population 65 years and over (July 1 - estimate) 2008 | 761 |
| CLARK Resident population: total females percent (July 1 - estimate) 2008 | 50.6 |
| CLARK Resident population: White alone (July 1 - estimate) 2008 | 3386 |
| CLARK Resident population: Black alone (July 1 - estimate) 2008 | 3 |
| CLARK Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 29 |
| CLARK Resident population: Asian alone (July 1 - estimate) 2008 | 4 |
| CLARK Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 1 |
| CLARK Resident population: Two or more races (July 1 - estimate) 2008 | 13 |
| CLARK Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 25 |
| CLARK Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 3366 |
| CLARK Resident population: White alone percent (July 1 - estimate) 2008 | 98.5 |
| CLARK Resident population: Black alone percent (July 1 - estimate) 2008 | 0.1 |
| CLARK Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.8 |
| CLARK Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.1 |
| CLARK Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| CLARK Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.4 |
| CLARK Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 0.7 |
| CLARK Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 98 |
| CLARK Births 2006 | 42 |
| CLARK Deaths 2006 | 48 |
| CLARK Infant deaths under one year 2006 | 0 |
| CLARK Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 68.9 |
| CLARK Percent foreign born population 2000 (sample) | 0.8 |
| CLARK Population 5 years and over percent speaking language other than English at home 2000 (sample) | 10.1 |
| CLARK Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 76.6 |
| CLARK Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 11.4 |
| CLARK Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 741 |
| CLARK Average travel time to work for workers 16 years and over not working at home 2000 | 18.8 |
| CLARK Housing unit estimates as of July 1 2008 | 1923 |
| CLARK Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 43 |
| CLARK Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2.3 |
| CLARK Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 80.3 |
| CLARK Median value of specified owner-occupied housing units 2000 (sample) | 36700 |
| CLARK Housing units by units in structure - multiple units 2000 (sample) | 6.3 |
| CLARK Households 2000 (complete count) | 1598 |
| CLARK Persons per household 2000 (complete count) | 2.54 |
| CLARK Per capita income in 1999 | 15597 |
| CLARK Median household income 2008 | 40536 |
| CLARK People of all ages in poverty - percent 2008 | 12.9 |
| CLARK Personal income 2007 | 130 |
| CLARK Per capita personal income 2007 | 37357 |
| CLARK Civilian labor force 2008 | 1822 |
| CLARK Civilian labor force unemployment 2008 | 70 |
| CLARK Civilian labor force unemployment rate 2008 | 3.8 |
| CLARK Employment in all industries (NAICS no code) 2007 | 2335 |
| CLARK Employment in all industries net change 2000 - 2007 | -10 |
| CLARK Employment in government (NAICS 92) 2007 | 301 |
| CLARK Earnings in all industries (NAICS no code) 2007 | 86312 |
| CLARK Earnings in all industries (NAICS no code) average earnings per job 2007 | 36964 |
| CLARK Private nonfarm establishments 2007 | 117 |
| CLARK Private nonfarm employment for pay period including March 12 2007 | 571 |
| CLARK Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -17.5 |
| CLARK Nonemployer: total (NAICS 00) - establishments 2007 | 278 |
| CLARK Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 0 |
| CLARK Total number of firms 2002 | 337 |
| CLARK Total Black-owned firms percent 2002 | 0 |
| CLARK Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| CLARK Total Asian-owned firms percent 2002 | 0 |
| CLARK Total Hispanic-owned firms percent 2002 | 0 |
| CLARK Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| CLARK Total women-owned firms percent 2002 | 0 |
| CLARK Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 0 |
| CLARK Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 42220 |
| CLARK Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 14752 |
| CLARK Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 3691 |
| CLARK New private housing units authorized by building permits - total 2008 (20000-place universe) | 27 |
| CLARK Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 2945 |
| CLARK Land in farms (NAICS) 2007 (acres) (adjusted) | 508768 |
| CLARK Federal Government expenditure - total FY 2008 | 56015 |
| CLARK Federal Government expenditure per capita FY 2008 | 16302 |
| CLARK Land area in square miles 2000 | 957.92 |
| CLARK Population per square mile 2000 | 4 |
