| MERCER Resident total population estimate (July 1) 2009 | 366222 |
| MERCER Resident total population estimates base (April 1) 2000 | 350761 |
| MERCER Resident total population estimate percent change - April 1 2000 to July 1 2009 | 4.4 |
| MERCER Resident total population estimate net change - April 1 2000 to July 1 2009 | 15461 |
| MERCER Resident population (April 1) 2000 (complete count) | 350761 |
| MERCER Resident population under 5 years (July 1 - estimate) 2008 | 22947 |
| MERCER Resident population under 5 years percent (July 1 - estimate) 2008 | 6.3 |
| MERCER Resident population under 18 years (July 1 - estimate) 2008 | 83686 |
| MERCER Resident population under 18 years percent (July 1 - estimate) 2008 | 22.9 |
| MERCER Resident population 65 years and over percent (July 1 - estimate) 2008 | 12.2 |
| MERCER Resident population 65 years and over (July 1 - estimate) 2008 | 44510 |
| MERCER Resident population: total females percent (July 1 - estimate) 2008 | 50.8 |
| MERCER Resident population: White alone (July 1 - estimate) 2008 | 253204 |
| MERCER Resident population: Black alone (July 1 - estimate) 2008 | 74952 |
| MERCER Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 930 |
| MERCER Resident population: Asian alone (July 1 - estimate) 2008 | 29754 |
| MERCER Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 652 |
| MERCER Resident population: Two or more races (July 1 - estimate) 2008 | 5391 |
| MERCER Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 48669 |
| MERCER Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 210816 |
| MERCER Resident population: White alone percent (July 1 - estimate) 2008 | 69.4 |
| MERCER Resident population: Black alone percent (July 1 - estimate) 2008 | 20.5 |
| MERCER Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.3 |
| MERCER Resident population: Asian alone percent (July 1 - estimate) 2008 | 8.2 |
| MERCER Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0.2 |
| MERCER Resident population: Two or more races percent (July 1 - estimate) 2008 | 1.5 |
| MERCER Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 13.3 |
| MERCER Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 57.8 |
| MERCER Births 2006 | 4671 |
| MERCER Deaths 2006 | 2903 |
| MERCER Infant deaths under one year 2006 | 39 |
| MERCER Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 57.4 |
| MERCER Percent foreign born population 2000 (sample) | 13.9 |
| MERCER Population 5 years and over percent speaking language other than English at home 2000 (sample) | 20.2 |
| MERCER Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 81.8 |
| MERCER Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 34 |
| MERCER Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 55055 |
| MERCER Average travel time to work for workers 16 years and over not working at home 2000 | 27.1 |
| MERCER Housing unit estimates as of July 1 2008 | 140828 |
| MERCER Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 7548 |
| MERCER Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 5.7 |
| MERCER Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 67 |
| MERCER Median value of specified owner-occupied housing units 2000 (sample) | 147400 |
| MERCER Housing units by units in structure - multiple units 2000 (sample) | 29 |
| MERCER Households 2000 (complete count) | 125807 |
| MERCER Persons per household 2000 (complete count) | 2.62 |
| MERCER Per capita income in 1999 | 27914 |
| MERCER Median household income 2008 | 72883 |
| MERCER People of all ages in poverty - percent 2008 | 9 |
| MERCER Personal income 2007 | 19008 |
| MERCER Per capita personal income 2007 | 52255 |
| MERCER Civilian labor force 2008 | 200226 |
| MERCER Civilian labor force unemployment 2008 | 9756 |
| MERCER Civilian labor force unemployment rate 2008 | 4.9 |
| MERCER Employment in all industries (NAICS no code) 2007 | 267726 |
| MERCER Employment in all industries net change 2000 - 2007 | 24799 |
| MERCER Employment in government (NAICS 92) 2007 | 53218 |
| MERCER Earnings in all industries (NAICS no code) 2007 | 1.7127e+07 |
| MERCER Earnings in all industries (NAICS no code) average earnings per job 2007 | 63972 |
| MERCER Private nonfarm establishments 2007 | 10049 |
| MERCER Private nonfarm employment for pay period including March 12 2007 | 189505 |
| MERCER Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 8.8 |
| MERCER Nonemployer: total (NAICS 00) - establishments 2007 | 21610 |
| MERCER Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 553731 |
| MERCER Total number of firms 2002 | 27421 |
| MERCER Total Black-owned firms percent 2002 | 5.4 |
| MERCER Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| MERCER Total Asian-owned firms percent 2002 | 7.1 |
| MERCER Total Hispanic-owned firms percent 2002 | 3.1 |
| MERCER Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0.5 |
| MERCER Total women-owned firms percent 2002 | 26.8 |
| MERCER Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 2.38042e+06 |
| MERCER Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 0 |
| MERCER Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 4.19112e+06 |
| MERCER Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 11719 |
| MERCER New private housing units authorized by building permits - total 2008 (20000-place universe) | 625 |
| MERCER Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 89753 |
| MERCER Land in farms (NAICS) 2007 (acres) (adjusted) | 21730 |
| MERCER Federal Government expenditure - total FY 2008 | 5.03376e+06 |
| MERCER Federal Government expenditure per capita FY 2008 | 13796 |
| MERCER Land area in square miles 2000 | 225.93 |
| MERCER Population per square mile 2000 | 1552 |
