| CLAY Resident total population estimate (July 1) 2009 | 15585 |
| CLAY Resident total population estimates base (April 1) 2000 | 17609 |
| CLAY Resident total population estimate percent change - April 1 2000 to July 1 2009 | -11.5 |
| CLAY Resident total population estimate net change - April 1 2000 to July 1 2009 | -2024 |
| CLAY Resident population (April 1) 2000 (complete count) | 17609 |
| CLAY Resident population under 5 years (July 1 - estimate) 2008 | 858 |
| CLAY Resident population under 5 years percent (July 1 - estimate) 2008 | 5.4 |
| CLAY Resident population under 18 years (July 1 - estimate) 2008 | 3381 |
| CLAY Resident population under 18 years percent (July 1 - estimate) 2008 | 21.3 |
| CLAY Resident population 65 years and over percent (July 1 - estimate) 2008 | 20.8 |
| CLAY Resident population 65 years and over (July 1 - estimate) 2008 | 3291 |
| CLAY Resident population: total females percent (July 1 - estimate) 2008 | 51.7 |
| CLAY Resident population: White alone (July 1 - estimate) 2008 | 15441 |
| CLAY Resident population: Black alone (July 1 - estimate) 2008 | 94 |
| CLAY Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 130 |
| CLAY Resident population: Asian alone (July 1 - estimate) 2008 | 30 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 0 |
| CLAY Resident population: Two or more races (July 1 - estimate) 2008 | 150 |
| CLAY Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 244 |
| CLAY Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 15214 |
| CLAY Resident population: White alone percent (July 1 - estimate) 2008 | 97.5 |
| CLAY Resident population: Black alone percent (July 1 - estimate) 2008 | 0.6 |
| CLAY Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.8 |
| CLAY Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.2 |
| 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 | 0.9 |
| CLAY Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1.5 |
| CLAY Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 96 |
| CLAY Births 2006 | 203 |
| CLAY Deaths 2006 | 221 |
| CLAY Infant deaths under one year 2006 | 3 |
| CLAY Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 59.6 |
| CLAY Percent foreign born population 2000 (sample) | 0.3 |
| CLAY Population 5 years and over percent speaking language other than English at home 2000 (sample) | 1.8 |
| CLAY Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 60.6 |
| CLAY Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 7.4 |
| CLAY Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 4551 |
| CLAY Average travel time to work for workers 16 years and over not working at home 2000 | 21.4 |
| CLAY Housing unit estimates as of July 1 2008 | 8725 |
| CLAY Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 227 |
| CLAY Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2.7 |
| CLAY Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 74.9 |
| CLAY Median value of specified owner-occupied housing units 2000 (sample) | 39600 |
| CLAY Housing units by units in structure - multiple units 2000 (sample) | 7.5 |
| CLAY Households 2000 (complete count) | 7417 |
| CLAY Persons per household 2000 (complete count) | 2.35 |
| CLAY Per capita income in 1999 | 14512 |
| CLAY Median household income 2008 | 31910 |
| CLAY People of all ages in poverty - percent 2008 | 18.1 |
| CLAY Personal income 2007 | 367 |
| CLAY Per capita personal income 2007 | 22814 |
| CLAY Civilian labor force 2008 | 6655 |
| CLAY Civilian labor force unemployment 2008 | 506 |
| CLAY Civilian labor force unemployment rate 2008 | 7.6 |
| CLAY Employment in all industries (NAICS no code) 2007 | 6766 |
| CLAY Employment in all industries net change 2000 - 2007 | -2107 |
| CLAY Employment in government (NAICS 92) 2007 | 1141 |
| CLAY Earnings in all industries (NAICS no code) 2007 | 175748 |
| CLAY Earnings in all industries (NAICS no code) average earnings per job 2007 | 25975 |
| CLAY Private nonfarm establishments 2007 | 313 |
| CLAY Private nonfarm employment for pay period including March 12 2007 | 3356 |
| CLAY Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -36.4 |
| CLAY Nonemployer: total (NAICS 00) - establishments 2007 | 968 |
| CLAY Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 7378 |
| CLAY Total number of firms 2002 | 1071 |
| 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 | 24.1 |
| CLAY Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 187463 |
| CLAY Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 71144 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 85892 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 5035 |
| CLAY New private housing units authorized by building permits - total 2008 (20000-place universe) | 3 |
| CLAY Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 429 |
| CLAY Land in farms (NAICS) 2007 (acres) (adjusted) | 330464 |
| CLAY Federal Government expenditure - total FY 2008 | 168661 |
| CLAY Federal Government expenditure per capita FY 2008 | 10644 |
| CLAY Land area in square miles 2000 | 639.3 |
| CLAY Population per square mile 2000 | 28 |
