| MERCER Resident total population estimate (July 1) 2009 | 21920 |
| MERCER Resident total population estimates base (April 1) 2000 | 20817 |
| MERCER Resident total population estimate percent change - April 1 2000 to July 1 2009 | 5.3 |
| MERCER Resident total population estimate net change - April 1 2000 to July 1 2009 | 1103 |
| MERCER Resident population (April 1) 2000 (complete count) | 20817 |
| MERCER Resident population under 5 years (July 1 - estimate) 2008 | 1325 |
| MERCER Resident population under 5 years percent (July 1 - estimate) 2008 | 6 |
| MERCER Resident population under 18 years (July 1 - estimate) 2008 | 5111 |
| MERCER Resident population under 18 years percent (July 1 - estimate) 2008 | 23.3 |
| MERCER Resident population 65 years and over percent (July 1 - estimate) 2008 | 15.6 |
| MERCER Resident population 65 years and over (July 1 - estimate) 2008 | 3417 |
| MERCER Resident population: total females percent (July 1 - estimate) 2008 | 51.4 |
| MERCER Resident population: White alone (July 1 - estimate) 2008 | 20616 |
| MERCER Resident population: Black alone (July 1 - estimate) 2008 | 803 |
| MERCER Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 45 |
| MERCER Resident population: Asian alone (July 1 - estimate) 2008 | 231 |
| MERCER Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 5 |
| MERCER Resident population: Two or more races (July 1 - estimate) 2008 | 220 |
| MERCER Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 438 |
| MERCER Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 20199 |
| MERCER Resident population: White alone percent (July 1 - estimate) 2008 | 94.1 |
| MERCER Resident population: Black alone percent (July 1 - estimate) 2008 | 3.7 |
| MERCER Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.2 |
| MERCER Resident population: Asian alone percent (July 1 - estimate) 2008 | 1.1 |
| MERCER Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| MERCER Resident population: Two or more races percent (July 1 - estimate) 2008 | 1 |
| MERCER Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 2 |
| MERCER Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 92.1 |
| MERCER Births 2006 | 248 |
| MERCER Deaths 2006 | 247 |
| MERCER Infant deaths under one year 2006 | 1 |
| MERCER Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 54.8 |
| MERCER Percent foreign born population 2000 (sample) | 1.7 |
| MERCER Population 5 years and over percent speaking language other than English at home 2000 (sample) | 3 |
| MERCER Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 75.8 |
| MERCER Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 13.5 |
| MERCER Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 4508 |
| MERCER Average travel time to work for workers 16 years and over not working at home 2000 | 24 |
| MERCER Housing unit estimates as of July 1 2008 | 10173 |
| MERCER Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 884 |
| MERCER Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 9.5 |
| MERCER Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 74.6 |
| MERCER Median value of specified owner-occupied housing units 2000 (sample) | 83800 |
| MERCER Housing units by units in structure - multiple units 2000 (sample) | 13.7 |
| MERCER Households 2000 (complete count) | 8423 |
| MERCER Persons per household 2000 (complete count) | 2.45 |
| MERCER Per capita income in 1999 | 17972 |
| MERCER Median household income 2008 | 42912 |
| MERCER People of all ages in poverty - percent 2008 | 15.4 |
| MERCER Personal income 2007 | 564 |
| MERCER Per capita personal income 2007 | 25899 |
| MERCER Civilian labor force 2008 | 10616 |
| MERCER Civilian labor force unemployment 2008 | 663 |
| MERCER Civilian labor force unemployment rate 2008 | 6.2 |
| MERCER Employment in all industries (NAICS no code) 2007 | 11216 |
| MERCER Employment in all industries net change 2000 - 2007 | 226 |
| MERCER Employment in government (NAICS 92) 2007 | 1083 |
| MERCER Earnings in all industries (NAICS no code) 2007 | 363394 |
| MERCER Earnings in all industries (NAICS no code) average earnings per job 2007 | 32400 |
| MERCER Private nonfarm establishments 2007 | 407 |
| MERCER Private nonfarm employment for pay period including March 12 2007 | 5820 |
| MERCER Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -6.4 |
| MERCER Nonemployer: total (NAICS 00) - establishments 2007 | 1630 |
| MERCER Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 15610 |
| MERCER Total number of firms 2002 | 1858 |
| MERCER Total Black-owned firms percent 2002 | 0 |
| MERCER Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| MERCER Total Asian-owned firms percent 2002 | 0 |
| MERCER Total Hispanic-owned firms percent 2002 | 0 |
| MERCER Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| MERCER Total women-owned firms percent 2002 | 17.3 |
| MERCER Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 918766 |
| MERCER Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 18402 |
| MERCER Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 141344 |
| MERCER Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 6703 |
| MERCER New private housing units authorized by building permits - total 2008 (20000-place universe) | 49 |
| MERCER Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 6962 |
| MERCER Land in farms (NAICS) 2007 (acres) (adjusted) | 141437 |
| MERCER Federal Government expenditure - total FY 2008 | 190970 |
| MERCER Federal Government expenditure per capita FY 2008 | 8712 |
| MERCER Land area in square miles 2000 | 250.92 |
| MERCER Population per square mile 2000 | 83 |
