| CLAY Resident total population estimate (July 1) 2009 | 228358 |
| CLAY Resident total population estimates base (April 1) 2000 | 184006 |
| CLAY Resident total population estimate percent change - April 1 2000 to July 1 2009 | 24.1 |
| CLAY Resident total population estimate net change - April 1 2000 to July 1 2009 | 44352 |
| CLAY Resident population (April 1) 2000 (complete count) | 184006 |
| CLAY Resident population under 5 years (July 1 - estimate) 2008 | 16109 |
| CLAY Resident population under 5 years percent (July 1 - estimate) 2008 | 7.5 |
| CLAY Resident population under 18 years (July 1 - estimate) 2008 | 55753 |
| CLAY Resident population under 18 years percent (July 1 - estimate) 2008 | 25.8 |
| CLAY Resident population 65 years and over percent (July 1 - estimate) 2008 | 10.9 |
| CLAY Resident population 65 years and over (July 1 - estimate) 2008 | 23449 |
| CLAY Resident population: total females percent (July 1 - estimate) 2008 | 51.1 |
| CLAY Resident population: White alone (July 1 - estimate) 2008 | 196213 |
| CLAY Resident population: Black alone (July 1 - estimate) 2008 | 10342 |
| CLAY Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 1089 |
| CLAY Resident population: Asian alone (July 1 - estimate) 2008 | 4265 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 324 |
| CLAY Resident population: Two or more races (July 1 - estimate) 2008 | 3474 |
| CLAY Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 10988 |
| CLAY Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 185983 |
| CLAY Resident population: White alone percent (July 1 - estimate) 2008 | 91 |
| CLAY Resident population: Black alone percent (July 1 - estimate) 2008 | 4.8 |
| CLAY Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.5 |
| CLAY Resident population: Asian alone percent (July 1 - estimate) 2008 | 2 |
| CLAY Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0.2 |
| CLAY Resident population: Two or more races percent (July 1 - estimate) 2008 | 1.6 |
| CLAY Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 5.1 |
| CLAY Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 86.2 |
| CLAY Births 2006 | 3175 |
| CLAY Deaths 2006 | 1463 |
| CLAY Infant deaths under one year 2006 | 16 |
| CLAY Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 49.5 |
| CLAY Percent foreign born population 2000 (sample) | 2.9 |
| CLAY Population 5 years and over percent speaking language other than English at home 2000 (sample) | 5.2 |
| CLAY Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 88.7 |
| CLAY Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 24.9 |
| CLAY Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 26608 |
| CLAY Average travel time to work for workers 16 years and over not working at home 2000 | 22.4 |
| CLAY Housing unit estimates as of July 1 2008 | 85386 |
| CLAY Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 9156 |
| CLAY Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 12 |
| CLAY Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 70.7 |
| CLAY Median value of specified owner-occupied housing units 2000 (sample) | 104900 |
| CLAY Housing units by units in structure - multiple units 2000 (sample) | 21.7 |
| CLAY Households 2000 (complete count) | 72558 |
| CLAY Persons per household 2000 (complete count) | 2.5 |
| CLAY Per capita income in 1999 | 23144 |
| CLAY Median household income 2008 | 58803 |
| CLAY People of all ages in poverty - percent 2008 | 7.4 |
| CLAY Personal income 2007 | 7450 |
| CLAY Per capita personal income 2007 | 35220 |
| CLAY Civilian labor force 2008 | 115225 |
| CLAY Civilian labor force unemployment 2008 | 5895 |
| CLAY Civilian labor force unemployment rate 2008 | 5.1 |
| CLAY Employment in all industries (NAICS no code) 2007 | 124519 |
| CLAY Employment in all industries net change 2000 - 2007 | 13740 |
| CLAY Employment in government (NAICS 92) 2007 | 14760 |
| CLAY Earnings in all industries (NAICS no code) 2007 | 5.72486e+06 |
| CLAY Earnings in all industries (NAICS no code) average earnings per job 2007 | 45976 |
| CLAY Private nonfarm establishments 2007 | 5070 |
| CLAY Private nonfarm employment for pay period including March 12 2007 | 88376 |
| CLAY Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 4.5 |
| CLAY Nonemployer: total (NAICS 00) - establishments 2007 | 14150 |
| CLAY Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 686477 |
| CLAY Total number of firms 2002 | 15307 |
| CLAY Total Black-owned firms percent 2002 | 1.8 |
| CLAY Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| CLAY Total Asian-owned firms percent 2002 | 1.8 |
| CLAY Total Hispanic-owned firms percent 2002 | 1.2 |
| CLAY Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| CLAY Total women-owned firms percent 2002 | 31.1 |
| CLAY Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 1.10063e+07 |
| CLAY Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 6.6067e+06 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 2.99247e+06 |
| CLAY Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 15640 |
| CLAY New private housing units authorized by building permits - total 2008 (20000-place universe) | 186 |
| CLAY Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 31448 |
| CLAY Land in farms (NAICS) 2007 (acres) (adjusted) | 143853 |
| CLAY Federal Government expenditure - total FY 2008 | 840916 |
| CLAY Federal Government expenditure per capita FY 2008 | 3898 |
| CLAY Land area in square miles 2000 | 396.35 |
| CLAY Population per square mile 2000 | 465 |
