| MARION Resident total population estimate (July 1) 2009 | 39008 |
| MARION Resident total population estimates base (April 1) 2000 | 41691 |
| MARION Resident total population estimate percent change - April 1 2000 to July 1 2009 | -6.4 |
| MARION Resident total population estimate net change - April 1 2000 to July 1 2009 | -2683 |
| MARION Resident population (April 1) 2000 (complete count) | 41691 |
| MARION Resident population under 5 years (July 1 - estimate) 2008 | 2478 |
| MARION Resident population under 5 years percent (July 1 - estimate) 2008 | 6.3 |
| MARION Resident population under 18 years (July 1 - estimate) 2008 | 9149 |
| MARION Resident population under 18 years percent (July 1 - estimate) 2008 | 23.2 |
| MARION Resident population 65 years and over percent (July 1 - estimate) 2008 | 17.9 |
| MARION Resident population 65 years and over (July 1 - estimate) 2008 | 7072 |
| MARION Resident population: total females percent (July 1 - estimate) 2008 | 51.8 |
| MARION Resident population: White alone (July 1 - estimate) 2008 | 37016 |
| MARION Resident population: Black alone (July 1 - estimate) 2008 | 1611 |
| MARION Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 105 |
| MARION Resident population: Asian alone (July 1 - estimate) 2008 | 257 |
| MARION Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 16 |
| MARION Resident population: Two or more races (July 1 - estimate) 2008 | 500 |
| MARION Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 459 |
| MARION Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 36602 |
| MARION Resident population: White alone percent (July 1 - estimate) 2008 | 93.7 |
| MARION Resident population: Black alone percent (July 1 - estimate) 2008 | 4.1 |
| 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 | 0.7 |
| 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 | 1.3 |
| MARION Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1.2 |
| MARION Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 92.7 |
| MARION Births 2006 | 536 |
| MARION Deaths 2006 | 475 |
| MARION Infant deaths under one year 2006 | 2 |
| MARION Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 61 |
| MARION Percent foreign born population 2000 (sample) | 0.8 |
| MARION Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.7 |
| MARION Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 79.1 |
| MARION Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 12.1 |
| MARION Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 8261 |
| MARION Average travel time to work for workers 16 years and over not working at home 2000 | 19.8 |
| MARION Housing unit estimates as of July 1 2008 | 18378 |
| MARION Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 356 |
| MARION Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2 |
| MARION Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 76.6 |
| MARION Median value of specified owner-occupied housing units 2000 (sample) | 53700 |
| MARION Housing units by units in structure - multiple units 2000 (sample) | 10 |
| MARION Households 2000 (complete count) | 16619 |
| MARION Persons per household 2000 (complete count) | 2.45 |
| MARION Per capita income in 1999 | 17235 |
| MARION Median household income 2008 | 41759 |
| MARION People of all ages in poverty - percent 2008 | 14.6 |
| MARION Personal income 2007 | 1135 |
| MARION Per capita personal income 2007 | 28667 |
| MARION Civilian labor force 2008 | 18658 |
| MARION Civilian labor force unemployment 2008 | 1641 |
| MARION Civilian labor force unemployment rate 2008 | 8.8 |
| MARION Employment in all industries (NAICS no code) 2007 | 18489 |
| MARION Employment in all industries net change 2000 - 2007 | -4860 |
| MARION Employment in government (NAICS 92) 2007 | 2475 |
| MARION Earnings in all industries (NAICS no code) 2007 | 642965 |
| MARION Earnings in all industries (NAICS no code) average earnings per job 2007 | 34776 |
| MARION Private nonfarm establishments 2007 | 1043 |
| MARION Private nonfarm employment for pay period including March 12 2007 | 11696 |
| MARION Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -26.8 |
| MARION Nonemployer: total (NAICS 00) - establishments 2007 | 2376 |
| MARION Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 32431 |
| MARION Total number of firms 2002 | 3252 |
| 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 | 16.8 |
| MARION Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 736855 |
| MARION Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 148648 |
| MARION Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 298187 |
| MARION Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 7258 |
| MARION New private housing units authorized by building permits - total 2008 (20000-place universe) | 56 |
| MARION Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 7090 |
| MARION Land in farms (NAICS) 2007 (acres) (adjusted) | 260679 |
| MARION Federal Government expenditure - total FY 2008 | 373058 |
| MARION Federal Government expenditure per capita FY 2008 | 9443 |
| MARION Land area in square miles 2000 | 572.26 |
| MARION Population per square mile 2000 | 73 |
