| MARION Resident total population estimate (July 1) 2009 | 28068 |
| MARION Resident total population estimates base (April 1) 2000 | 27776 |
| MARION Resident total population estimate percent change - April 1 2000 to July 1 2009 | 1.1 |
| MARION Resident total population estimate net change - April 1 2000 to July 1 2009 | 292 |
| MARION Resident population (April 1) 2000 (complete count) | 27776 |
| MARION Resident population under 5 years (July 1 - estimate) 2008 | 1751 |
| MARION Resident population under 5 years percent (July 1 - estimate) 2008 | 6.2 |
| MARION Resident population under 18 years (July 1 - estimate) 2008 | 6230 |
| MARION Resident population under 18 years percent (July 1 - estimate) 2008 | 22.1 |
| MARION Resident population 65 years and over percent (July 1 - estimate) 2008 | 14.9 |
| MARION Resident population 65 years and over (July 1 - estimate) 2008 | 4213 |
| MARION Resident population: total females percent (July 1 - estimate) 2008 | 51.2 |
| MARION Resident population: White alone (July 1 - estimate) 2008 | 26568 |
| MARION Resident population: Black alone (July 1 - estimate) 2008 | 1224 |
| MARION Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 87 |
| MARION Resident population: Asian alone (July 1 - estimate) 2008 | 123 |
| MARION Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 3 |
| MARION Resident population: Two or more races (July 1 - estimate) 2008 | 242 |
| MARION Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 295 |
| MARION Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 26288 |
| MARION Resident population: White alone percent (July 1 - estimate) 2008 | 94.1 |
| MARION Resident population: Black alone percent (July 1 - estimate) 2008 | 4.3 |
| MARION Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.3 |
| MARION Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.4 |
| MARION Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| MARION Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.9 |
| MARION Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1 |
| MARION Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 93.1 |
| MARION Births 2006 | 351 |
| MARION Deaths 2006 | 326 |
| MARION Infant deaths under one year 2006 | 3 |
| MARION Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 64.7 |
| MARION Percent foreign born population 2000 (sample) | 0.5 |
| MARION Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.1 |
| MARION Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 64.6 |
| MARION Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 9.5 |
| MARION Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 7132 |
| MARION Average travel time to work for workers 16 years and over not working at home 2000 | 29.2 |
| MARION Housing unit estimates as of July 1 2008 | 13499 |
| MARION Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 1359 |
| MARION Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 11.2 |
| MARION Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 80.7 |
| MARION Median value of specified owner-occupied housing units 2000 (sample) | 76100 |
| MARION Housing units by units in structure - multiple units 2000 (sample) | 6.3 |
| MARION Households 2000 (complete count) | 11037 |
| MARION Persons per household 2000 (complete count) | 2.49 |
| MARION Per capita income in 1999 | 16419 |
| MARION Median household income 2008 | 38965 |
| MARION People of all ages in poverty - percent 2008 | 15.7 |
| MARION Personal income 2007 | 804 |
| MARION Per capita personal income 2007 | 28590 |
| MARION Civilian labor force 2008 | 13065 |
| MARION Civilian labor force unemployment 2008 | 978 |
| MARION Civilian labor force unemployment rate 2008 | 7.5 |
| MARION Employment in all industries (NAICS no code) 2007 | 10713 |
| MARION Employment in all industries net change 2000 - 2007 | 599 |
| MARION Employment in government (NAICS 92) 2007 | 1340 |
| MARION Earnings in all industries (NAICS no code) 2007 | 311922 |
| MARION Earnings in all industries (NAICS no code) average earnings per job 2007 | 29116 |
| MARION Private nonfarm establishments 2007 | 496 |
| MARION Private nonfarm employment for pay period including March 12 2007 | 5479 |
| MARION Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 1.6 |
| MARION Nonemployer: total (NAICS 00) - establishments 2007 | 1969 |
| MARION Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 18524 |
| MARION Total number of firms 2002 | 1857 |
| MARION Total Black-owned firms percent 2002 | 0 |
| MARION Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| MARION Total Asian-owned firms percent 2002 | 0 |
| MARION Total Hispanic-owned firms percent 2002 | 0 |
| MARION Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| MARION Total women-owned firms percent 2002 | 26.3 |
| MARION Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 263568 |
| MARION Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 0 |
| MARION Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 230065 |
| MARION Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 8278 |
| MARION New private housing units authorized by building permits - total 2008 (20000-place universe) | 98 |
| MARION Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 19354 |
| MARION Land in farms (NAICS) 2007 (acres) (adjusted) | 50593 |
| MARION Federal Government expenditure - total FY 2008 | 224548 |
| MARION Federal Government expenditure per capita FY 2008 | 7949 |
| MARION Land area in square miles 2000 | 498.36 |
| MARION Population per square mile 2000 | 56 |