County · Indiana
Decatur County, Indiana
Decatur County, Indiana. Decatur County had 26,576 residents in 2025 by the Census Bureau's estimate, up 0.4% since 2020, slower than Indiana (+2.8%). It holds 23 places (5 cities, villages and boroughs, 9 towns and townships and 9 census-designated) and 6 census tracts. GEOID 18031.
Decatur County is the county of the Greensburg, IN micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
26,576
Census Bureau estimate (no margin published)
2020 Census count: 26,472 · ACS 2020-2024: 26,422
Median household income
$69,783
±$7,427 (90% margin)
Indiana: $71,957
Median home value
$199,100
±$14,075 (90% margin)
Indiana: $218,200
Median gross rent
$861
±$40 (90% margin)
Indiana: $1,062
How many people live in Decatur County, and is it growing?
The 2020 Census counted 26,472 residents in Decatur County. The Census Bureau estimates 26,576 for July 1, 2025, up 0.4% since 2020, slower than Indiana (+2.8%). The 2020-2024 American Community Survey puts the population at 26,422 over 373 square miles of land.
| Measure | Decatur County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Total population | 26,422 | 6,851,073 | −140 |
| Households | 10,712±254 | 2,716,009 | +359 |
| Average household size | 2.42±0.06 | 2.46 | −0.11 |
| Housing units | 11,685±24 | 2,976,568 | +299 |
Decatur County's population since 2000
From 24,555 in 2000 to 26,576 in 2025: up 8.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Decatur County?
Decatur County holds 23 places: 5 cities, villages and boroughs (incorporated places), 9 towns and townships (county subdivisions with their own government) and 9 census-designated places. The largest is Washington Township, Decatur County with 14,073 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Washington Township, Decatur County | 14,053 | $63,989 |
|---|---|---|
| Greensburg | 12,312 | $62,655 |
| Sandcreek Township | 3,122 | $64,278 |
| Fugit TownshipGEOID 1803126098 | 1,856 | $93,667 |
| Adams Township, Decatur County | 1,825 | $55,385 |
| Marion Township, Decatur CountyGEOID 1803146872 | 1,711 | $89,274 |
| Westport | 1,393 | $49,129 |
| Clay Township, Decatur CountyGEOID 1803113042 | 1,284 | $70,583 |
| Saltcreek TownshipGEOID 1803167536 | 1,160 | $111,090 |
| Jackson Township, Decatur CountyGEOID 1803136918 | 938 | $78,750 |
| Lake SanteeGEOID 1841444 | 889 | $158,140 |
| St. Paul | 960 | $60,938 |
| Clinton Township, Decatur CountyGEOID 1803113708 | 523 | not published |
| New PointGEOID 1853478 | 319 | $60,000 |
| SanduskyGEOID 1867896 | – | not published |
| LettsGEOID 1842984 | – | not published |
| MillhousenGEOID 1849662 | 149 | not published |
| SardiniaGEOID 1868076 | – | $92,857 |
| ClarksburgGEOID 1812880 | 127 | not published |
| AdamsGEOID 1800352 | – | $65,652 |
| Milford, Decatur CountyGEOID 1849302 | – | $73,125 |
| St. OmerGEOID 1867194 | – | not published |
| BurneyGEOID 1809334 | – | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Decatur County?
The median resident of Decatur County is 39.8 years old; 23.5% are under 18 and 18.2% are 65 or older. The largest group is non-Hispanic white residents at 93.1%, then non-Hispanic residents of two or more races at 3.4%. 1.1% of residents were born outside the United States.
| Measure | Decatur County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.8±0.5 | 38.1 | no clear change |
| Under 18 years | 23.5% | 23.3% | – |
| 65 years and over | 18.2%±0.2 pts | 16.8% | – |
| Hispanic or Latino (any race) | 2.5% | 8.6% | +0.5 pts |
| White alone, not Hispanic | 93.1%±0.5 pts | 75.4% | −1.9 pts |
| Black or African American alone, not Hispanic | 0.4%±0.2 pts | 9.1% | −0.3 pts |
| Asian alone, not Hispanic | 0.1%±0.1 pts | 2.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.4%±0.5 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.5%±0.4 pts | 0.4% | – |
| Born outside the United States | 1.1%±0.4 pts | 6.3% | −0.9 pts |
| Speak a language other than English at home (age 5+) | 2.7%±0.8 pts | 10.3% | – |
| Civilian veterans (age 18+) | 6.9%±1.2 pts | 6.3% | – |
| With a disability | 12.5%±1.4 pts | 14.2% | – |
| No health insurance coverage | 3.9%±1.2 pts | 7.4% | −2.0 pts |
| High school graduate or higher (age 25+) | 90.8%±1.8 pts | 90.4% | – |
| Bachelor's degree or higher (age 25+) | 20.0%±2.8 pts | 29.5% | no clear change |
| Graduate or professional degree (age 25+) | 5.3%±1.4 pts | 10.8% | – |
| Moved from another state in the past year | 0.5%±0.4 pts | 2.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Decatur County earn?
Half of Decatur County's 10,712 households earn less than $69,783 a year (±$7,427), against $71,957 in Indiana. In 2015-2019 it was $71,317 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.2% of residents live below the poverty line.
| Measure | Decatur County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $69,783±$7,427 | $71,957 | no clear change |
| Mean household income | $92,207±$8,297 | $95,247 | – |
| Per capita income | $37,115±$2,685 | $38,351 | +$3,879 |
| People below the poverty line | 10.2%±2.4 pts | 12.3% | no clear change |
| Children under 18 below the poverty line | 10.9%±5.3 pts | 16.0% | no clear change |
| Households receiving SNAP | 5.6%±1.6 pts | 9.1% | – |
| Households with a broadband subscription | 88.0%±2.4 pts | 89.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Decatur County?
Owners occupy 76.1% of Decatur County's occupied homes and renters 23.9%. The median owner-occupied home is valued at $199,100 by its owner (±$14,075). The median renter pays $861 a month including utilities, and 26.8% of renters pay 35% or more of their income on rent.
| Measure | Decatur County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $199,100±$14,075 | $218,200 | +$33,695 |
| Median gross rent | $861±$40 | $1,062 | −$112 |
| Renters paying 35% or more of income on rent | 26.8%±6.4 pts | 38.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,256±$78 | $1,404 | – |
| Owner-occupied homes | 76.1%±3.0 pts | 70.6% | +6.3 pts |
| Housing units | 11,685±24 | 2,976,568 | +299 |
| Homeowner vacancy rate | 0.5%±0.9 pts | 0.8% | – |
| Rental vacancy rate | 3.0%±3.0 pts | 5.6% | – |
| Single-family detached homes | 82.6%±2.5 pts | 72.6% | – |
| Mobile homes | 3.0%±1.3 pts | 4.4% | – |
| Built 2020 or later | 1.0%±0.6 pts | 1.7% | – |
| Built 1939 or earlier | 23.6%±2.9 pts | 16.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Decatur County building?
Builders took permits for 70 new housing units across Decatur County in 2025 (70 single-family), 2.6 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Decatur County get to work?
78.8% of Decatur County's workers drive alone and 10.9% work from home. The average trip to work takes 24.0 minutes. The unemployment rate in 2020-2024 averaged 2.7%.
| Measure | Decatur County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.7%±1.8 pts | 63.8% | – |
| Unemployment rate | 2.7%±1.2 pts | 4.3% | no clear change |
| Drove alone to work | 78.8%±3.8 pts | 76.3% | – |
| Carpooled | 7.5%±2.1 pts | 9.1% | – |
| Public transportation | 0.0%±0.3 pts | 0.6% | – |
| Walked | 2.0%±1.1 pts | 1.9% | – |
| Worked from home | 10.9%±3.5 pts | 10.7% | +8.7 pts |
| Mean travel time to work | 24.0 min±2.1 | 24.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Decatur County's census tracts?
Decatur County is divided into 6 census tracts. Among those with a reliable estimate, median household income runs from $47,924 (Tract 9693) to $81,357 (Tract 9694).
| Tract 969018031969000 | 5,722±713 | $80,278 |
|---|---|---|
| Tract 969118031969100 | 2,702±413 | $65,757 |
| Tract 969218031969200 | 5,322±475 | $75,109 |
| Tract 969318031969300 | 3,225±447 | $47,924 |
| Tract 969418031969400 | 5,239±528 | $81,357 |
| Tract 969518031969500 | 4,212±313 | $73,299 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Decatur County compare with Indiana's other counties?
| Measure | Rank |
|---|---|
| Population | 59th of 92 |
| Growth 2020-2025 | 63rd of 92 |
| Residents per square mile | 58th of 92 |
| Median household income | 43rd of 92 |
| Median home value | 34th of 92 |
| Median gross rent | 47th of 92 |
| Poverty rate | 61st of 92 |
| Bachelor's degree or higher | 48th of 92 |
| Median age | 63rd of 92 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Decatur County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.