| IRWIN Resident total population estimate (July 1) 2009 | 10086 |
| IRWIN Resident total population estimates base (April 1) 2000 | 9931 |
| IRWIN Resident total population estimate percent change - April 1 2000 to July 1 2009 | 1.6 |
| IRWIN Resident total population estimate net change - April 1 2000 to July 1 2009 | 155 |
| IRWIN Resident population (April 1) 2000 (complete count) | 9931 |
| IRWIN Resident population under 5 years (July 1 - estimate) 2008 | 578 |
| IRWIN Resident population under 5 years percent (July 1 - estimate) 2008 | 5.6 |
| IRWIN Resident population under 18 years (July 1 - estimate) 2008 | 2496 |
| IRWIN Resident population under 18 years percent (July 1 - estimate) 2008 | 24.4 |
| IRWIN Resident population 65 years and over percent (July 1 - estimate) 2008 | 13 |
| IRWIN Resident population 65 years and over (July 1 - estimate) 2008 | 1326 |
| IRWIN Resident population: total females percent (July 1 - estimate) 2008 | 48.3 |
| IRWIN Resident population: White alone (July 1 - estimate) 2008 | 7300 |
| IRWIN Resident population: Black alone (July 1 - estimate) 2008 | 2801 |
| IRWIN Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 16 |
| IRWIN Resident population: Asian alone (July 1 - estimate) 2008 | 64 |
| IRWIN Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 1 |
| IRWIN Resident population: Two or more races (July 1 - estimate) 2008 | 49 |
| IRWIN Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 340 |
| IRWIN Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 6993 |
| IRWIN Resident population: White alone percent (July 1 - estimate) 2008 | 71.4 |
| IRWIN Resident population: Black alone percent (July 1 - estimate) 2008 | 27.4 |
| IRWIN Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.2 |
| IRWIN Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.6 |
| IRWIN Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| IRWIN Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.5 |
| IRWIN Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 3.3 |
| IRWIN Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 68.4 |
| IRWIN Births 2006 | 110 |
| IRWIN Deaths 2006 | 94 |
| IRWIN Infant deaths under one year 2006 | 1 |
| IRWIN Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 65.7 |
| IRWIN Percent foreign born population 2000 (sample) | 1.3 |
| IRWIN Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.7 |
| IRWIN Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 67.7 |
| IRWIN Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 9.9 |
| IRWIN Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 1927 |
| IRWIN Average travel time to work for workers 16 years and over not working at home 2000 | 22.5 |
| IRWIN Housing unit estimates as of July 1 2008 | 4201 |
| IRWIN Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 52 |
| IRWIN Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 1.3 |
| IRWIN Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 76.8 |
| IRWIN Median value of specified owner-occupied housing units 2000 (sample) | 58100 |
| IRWIN Housing units by units in structure - multiple units 2000 (sample) | 6.1 |
| IRWIN Households 2000 (complete count) | 3644 |
| IRWIN Persons per household 2000 (complete count) | 2.62 |
| IRWIN Per capita income in 1999 | 14867 |
| IRWIN Median household income 2008 | 34199 |
| IRWIN People of all ages in poverty - percent 2008 | 22.3 |
| IRWIN Personal income 2007 | 213 |
| IRWIN Per capita personal income 2007 | 21460 |
| IRWIN Civilian labor force 2008 | 4143 |
| IRWIN Civilian labor force unemployment 2008 | 416 |
| IRWIN Civilian labor force unemployment rate 2008 | 10 |
| IRWIN Employment in all industries (NAICS no code) 2007 | 3802 |
| IRWIN Employment in all industries net change 2000 - 2007 | -124 |
| IRWIN Employment in government (NAICS 92) 2007 | 873 |
| IRWIN Earnings in all industries (NAICS no code) 2007 | 98013 |
| IRWIN Earnings in all industries (NAICS no code) average earnings per job 2007 | 25779 |
| IRWIN Private nonfarm establishments 2007 | 141 |
| IRWIN Private nonfarm employment for pay period including March 12 2007 | 1724 |
| IRWIN Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -13.6 |
| IRWIN Nonemployer: total (NAICS 00) - establishments 2007 | 604 |
| IRWIN Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 2532 |
| IRWIN Total number of firms 2002 | 585 |
| IRWIN Total Black-owned firms percent 2002 | 0 |
| IRWIN Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| IRWIN Total Asian-owned firms percent 2002 | 0 |
| IRWIN Total Hispanic-owned firms percent 2002 | 0 |
| IRWIN Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| IRWIN Total women-owned firms percent 2002 | 0 |
| IRWIN Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 0 |
| IRWIN Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 18615 |
| IRWIN Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 22965 |
| IRWIN Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 2285 |
| IRWIN New private housing units authorized by building permits - total 2008 (20000-place universe) | 18 |
| IRWIN Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 1701 |
| IRWIN Land in farms (NAICS) 2007 (acres) (adjusted) | 145432 |
| IRWIN Federal Government expenditure - total FY 2008 | 80140 |
| IRWIN Federal Government expenditure per capita FY 2008 | 7833 |
| IRWIN Land area in square miles 2000 | 356.81 |
| IRWIN Population per square mile 2000 | 28 |