Decatur township, Indiana
Decatur township profile, demographic data, and geographic information.
Decatur township is a geographic entity located in Marion County, Indiana. As of official census estimates, it has a reported population of 37,678. The land area covers 32.27 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 37,678 | — | 2025 / Census |
| Median Age | 32.7 yrs | ±1.2 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 13,122 | ±688 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 13,769 | ±648 |
| Occupied Housing Units | 13,122 | ±688 |
| Vacant Housing Units | 647 | ±238 |
| Median Home Value | $210,300 | ±$9,213 |
| Median Gross Rent | $1,274 | ±$101 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $70,206 | ±$5,586 |
| Per Capita Income | $28,904 | ±$1,914 |
| Poverty Rate | 17.4% | ±3.3% |
| Population Below Poverty Level | 6,350 | ±1,205 |
| Unemployment Rate | 6.7% | ±2.4% |
| Civilian Labor Force, Employed | 18,666 | ±1,147 |
| Broadband Internet Rate | 93.1% | ±2.2% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 37,230 (2024)
ID: 164002
|
Township | Official Local Government |
5410 SOUTH HIGH SCHOOL ROAD, INDIANAPOLIS IN 46221-4044
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Decatur | PK-04 | Decatur, IN | |
| Regular School Decatur | 06-08 | Decatur, IN | |
| Regular School Decatur | 09-12 | Decatur, IN | |
| Regular School Nearby | KG-05 | Indianapolis, IN | |
| Regular School Nearby | 01-05 | Indianapolis, IN | |
| Regular School Nearby | 07-12 | Indianapolis, IN | |
| Regular School Nearby | KG-05 | Indianapolis, IN | |
| Regular School Nearby | PK-05 | Indianapolis, IN | |
| Career and Technical School Nearby | 06-12 | Indianapolis, IN | |
| Regular School Nearby | KG-03 | Indianapolis, IN |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
MyComputerCareer at Indianapolis
|
College | 3.7 mi away | 2601 Fortune Circle Dr E, Suite 100C, Indianapolis, IN, 46241 |
9198136266
|
|
DECATUR BRANCH LIBRARY
|
Library | 0.6 mi away | 5301 KENTUCKY AVENUE, INDIANAPOLIS, IN, 46221 |
(317) 275-4330
|
|
Aviation Institute of Maintenance-Indianapolis
|
College | 5.2 mi away | 7251 W. McCarty St., Indianapolis, IN, 46241 |
3172434519
|
|
WEST PERRY BRANCH LIBRARY
|
Library | 4.8 mi away | 6650 S HARDING STREET, INDIANAPOLIS, IN, 46217 |
(317) 275-4390
|
|
University of Indianapolis
|
College | 7.8 mi away | 1400 E Hanna Ave, Indianapolis, IN, 46227-3697 |
3177883368
|
|
WAYNE BRANCH LIBRARY
|
Library | 5.8 mi away | 198 SOUTH GIRLS SCHOOL ROAD, INDIANAPOLIS, IN, 46231 |
(317) 275-4530
|
|
Paul Mitchell the School-Indianapolis
|
College Vocational | 8.3 mi away | 8751 US 31 Highway South, Indianapolis, IN, 46227-6252 |
3178850348
|
|
PLAINFIELD-GUILFORD TOWNSHIP PUBLIC LIBRARY
|
Library | 6.1 mi away | 1120 STAFFORD ROAD, PLAINFIELD, IN, 46168 |
(317) 839-6602
|
|
Empire Beauty School-Speedway
|
College Vocational | 8.5 mi away | 5750 A Crawfordsville Rd, Speedway, IN, 46224 |
8009204593
|
|
WEST INDIANAPOLIS BRANCH LIBRARY
|
Library | 6.6 mi away | 1216 SOUTH KAPPES STREET, INDIANAPOLIS, IN, 46221 |
(317) 275-4540
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at INDIANAPOLIS NWFO, IN US, located 2.0 miles from Decatur township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 35.7° | 19.4° | 27.6° | 3.24" | — |
| February | 40.3° | 22.7° | 31.5° | 2.50" | — |
| March | 51.3° | 31.8° | 41.6° | 3.73" | — |
| April | 64.0° | 42.9° | 53.5° | 4.64" | — |
| May | 73.9° | 53.6° | 63.8° | 4.93" | — |
| June | 82.3° | 62.9° | 72.6° | 5.37" | — |
| July | 85.4° | 66.6° | 76.0° | 4.67" | — |
| August | 84.4° | 64.9° | 74.7° | 3.47" | — |
| September | 78.3° | 57.3° | 67.8° | 3.45" | — |
| October | 65.8° | 44.7° | 55.3° | 3.36" | — |
| November | 51.9° | 34.2° | 43.1° | 3.47" | — |
| December | 39.5° | 25.0° | 32.3° | 2.98" | — |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Plainfield town | Town | 5.3 mi | — |
| Mooresville town | Town | 7.2 mi | — |
| Homecroft town | Town | 7.7 mi | — |
| Speedway town | Town | 8.1 mi | — |
| Avon town | Town | 8.5 mi | — |
| Southport city | City | 8.5 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1809717092. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.