| CLAY Resident total population estimate (July 1) 2009 | 20722 |
| CLAY Resident total population estimates base (April 1) 2000 | 21979 |
| CLAY Resident total population estimate percent change - April 1 2000 to July 1 2009 | -5.7 |
| CLAY Resident total population estimate net change - April 1 2000 to July 1 2009 | -1257 |
| CLAY Resident population (April 1) 2000 (complete count) | 21979 |
| CLAY Resident population under 5 years (July 1 - estimate) 2008 | 1447 |
| CLAY Resident population under 5 years percent (July 1 - estimate) 2008 | 6.9 |
| CLAY Resident population under 18 years (July 1 - estimate) 2008 | 5319 |
| CLAY Resident population under 18 years percent (July 1 - estimate) 2008 | 25.5 |
| CLAY Resident population 65 years and over percent (July 1 - estimate) 2008 | 14.7 |
| CLAY Resident population 65 years and over (July 1 - estimate) 2008 | 3070 |
| CLAY Resident population: total females percent (July 1 - estimate) 2008 | 53.1 |
| CLAY Resident population: White alone (July 1 - estimate) 2008 | 8901 |
| CLAY Resident population: Black alone (July 1 - estimate) 2008 | 11810 |
| CLAY Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 13 |
| CLAY Resident population: Asian alone (July 1 - estimate) 2008 | 34 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 2 |
| CLAY Resident population: Two or more races (July 1 - estimate) 2008 | 100 |
| CLAY Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 270 |
| CLAY Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 8693 |
| CLAY Resident population: White alone percent (July 1 - estimate) 2008 | 42.7 |
| CLAY Resident population: Black alone percent (July 1 - estimate) 2008 | 56.6 |
| CLAY Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.1 |
| 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 | 0.5 |
| CLAY Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1.3 |
| CLAY Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 41.7 |
| CLAY Births 2006 | 297 |
| CLAY Deaths 2006 | 202 |
| CLAY Infant deaths under one year 2006 | 4 |
| CLAY Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 63.6 |
| CLAY Percent foreign born population 2000 (sample) | 0.5 |
| CLAY Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.2 |
| CLAY Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 68.6 |
| CLAY Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 14.6 |
| CLAY Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 4752 |
| CLAY Average travel time to work for workers 16 years and over not working at home 2000 | 21.7 |
| CLAY Housing unit estimates as of July 1 2008 | 9145 |
| CLAY Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 335 |
| CLAY Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 3.8 |
| CLAY Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 73.6 |
| CLAY Median value of specified owner-occupied housing units 2000 (sample) | 60900 |
| CLAY Housing units by units in structure - multiple units 2000 (sample) | 11.3 |
| CLAY Households 2000 (complete count) | 8152 |
| CLAY Persons per household 2000 (complete count) | 2.64 |
| CLAY Per capita income in 1999 | 14512 |
| CLAY Median household income 2008 | 33205 |
| CLAY People of all ages in poverty - percent 2008 | 25.2 |
| CLAY Personal income 2007 | 534 |
| CLAY Per capita personal income 2007 | 25475 |
| CLAY Civilian labor force 2008 | 7464 |
| CLAY Civilian labor force unemployment 2008 | 1004 |
| CLAY Civilian labor force unemployment rate 2008 | 13.5 |
| CLAY Employment in all industries (NAICS no code) 2007 | 9218 |
| CLAY Employment in all industries net change 2000 - 2007 | -2098 |
| CLAY Employment in government (NAICS 92) 2007 | 1115 |
| CLAY Earnings in all industries (NAICS no code) 2007 | 293482 |
| CLAY Earnings in all industries (NAICS no code) average earnings per job 2007 | 31838 |
| CLAY Private nonfarm establishments 2007 | 376 |
| CLAY Private nonfarm employment for pay period including March 12 2007 | 6155 |
| CLAY Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -22.9 |
| CLAY Nonemployer: total (NAICS 00) - establishments 2007 | 1038 |
| CLAY Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 14823 |
| CLAY Total number of firms 2002 | 1213 |
| CLAY Total Black-owned firms percent 2002 | 13.1 |
| 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 | 0 |
| CLAY Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 793156 |
| CLAY Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 200497 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 122527 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 5600 |
| CLAY New private housing units authorized by building permits - total 2008 (20000-place universe) | 8 |
| CLAY Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 575 |
| CLAY Land in farms (NAICS) 2007 (acres) (adjusted) | 142293 |
| CLAY Federal Government expenditure - total FY 2008 | 142790 |
| CLAY Federal Government expenditure per capita FY 2008 | 6845 |
| CLAY Land area in square miles 2000 | 408.56 |
| CLAY Population per square mile 2000 | 54 |
