| CLAY Resident total population estimate (July 1) 2009 | 16617 |
| CLAY Resident total population estimates base (April 1) 2000 | 17372 |
| CLAY Resident total population estimate percent change - April 1 2000 to July 1 2009 | -4.3 |
| CLAY Resident total population estimate net change - April 1 2000 to July 1 2009 | -755 |
| CLAY Resident population (April 1) 2000 (complete count) | 17372 |
| CLAY Resident population under 5 years (July 1 - estimate) 2008 | 1034 |
| CLAY Resident population under 5 years percent (July 1 - estimate) 2008 | 6.2 |
| CLAY Resident population under 18 years (July 1 - estimate) 2008 | 3649 |
| CLAY Resident population under 18 years percent (July 1 - estimate) 2008 | 21.9 |
| CLAY Resident population 65 years and over percent (July 1 - estimate) 2008 | 19.3 |
| CLAY Resident population 65 years and over (July 1 - estimate) 2008 | 3214 |
| CLAY Resident population: total females percent (July 1 - estimate) 2008 | 51.2 |
| CLAY Resident population: White alone (July 1 - estimate) 2008 | 16382 |
| CLAY Resident population: Black alone (July 1 - estimate) 2008 | 44 |
| CLAY Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 28 |
| CLAY Resident population: Asian alone (July 1 - estimate) 2008 | 131 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 5 |
| CLAY Resident population: Two or more races (July 1 - estimate) 2008 | 101 |
| CLAY Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 462 |
| CLAY Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 15931 |
| CLAY Resident population: White alone percent (July 1 - estimate) 2008 | 98.1 |
| CLAY Resident population: Black alone percent (July 1 - estimate) 2008 | 0.3 |
| CLAY Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.2 |
| CLAY Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.8 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| CLAY Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.6 |
| CLAY Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 2.8 |
| CLAY Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 95.4 |
| CLAY Births 2006 | 205 |
| CLAY Deaths 2006 | 176 |
| CLAY Infant deaths under one year 2006 | 0 |
| CLAY Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 60.3 |
| CLAY Percent foreign born population 2000 (sample) | 1.8 |
| CLAY Population 5 years and over percent speaking language other than English at home 2000 (sample) | 3.5 |
| CLAY Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 88 |
| CLAY Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 16.3 |
| CLAY Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 2709 |
| CLAY Average travel time to work for workers 16 years and over not working at home 2000 | 14.2 |
| CLAY Housing unit estimates as of July 1 2008 | 8032 |
| CLAY Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 204 |
| CLAY Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2.6 |
| CLAY Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 69.1 |
| CLAY Median value of specified owner-occupied housing units 2000 (sample) | 74400 |
| CLAY Housing units by units in structure - multiple units 2000 (sample) | 18.3 |
| CLAY Households 2000 (complete count) | 7259 |
| CLAY Persons per household 2000 (complete count) | 2.35 |
| CLAY Per capita income in 1999 | 19451 |
| CLAY Median household income 2008 | 44746 |
| CLAY People of all ages in poverty - percent 2008 | 10.8 |
| CLAY Personal income 2007 | 549 |
| CLAY Per capita personal income 2007 | 32929 |
| CLAY Civilian labor force 2008 | 9847 |
| CLAY Civilian labor force unemployment 2008 | 327 |
| CLAY Civilian labor force unemployment rate 2008 | 3.3 |
| CLAY Employment in all industries (NAICS no code) 2007 | 12895 |
| CLAY Employment in all industries net change 2000 - 2007 | 188 |
| CLAY Employment in government (NAICS 92) 2007 | 1778 |
| CLAY Earnings in all industries (NAICS no code) 2007 | 446543 |
| CLAY Earnings in all industries (NAICS no code) average earnings per job 2007 | 34629 |
| CLAY Private nonfarm establishments 2007 | 643 |
| CLAY Private nonfarm employment for pay period including March 12 2007 | 7986 |
| CLAY Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -1.9 |
| CLAY Nonemployer: total (NAICS 00) - establishments 2007 | 1382 |
| CLAY Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 16797 |
| CLAY Total number of firms 2002 | 1848 |
| CLAY Total Black-owned firms percent 2002 | 0 |
| CLAY Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| CLAY Total Asian-owned firms percent 2002 | 0 |
| CLAY Total Hispanic-owned firms percent 2002 | 0 |
| CLAY Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| CLAY Total women-owned firms percent 2002 | 24.4 |
| CLAY Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 226804 |
| CLAY Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 269840 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 218197 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 12769 |
| CLAY New private housing units authorized by building permits - total 2008 (20000-place universe) | 24 |
| CLAY Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 5093 |
| CLAY Land in farms (NAICS) 2007 (acres) (adjusted) | 328216 |
| CLAY Federal Government expenditure - total FY 2008 | 120447 |
| CLAY Federal Government expenditure per capita FY 2008 | 7216 |
| CLAY Land area in square miles 2000 | 568.89 |
| CLAY Population per square mile 2000 | 31 |
