Decatur is a city in Adams County, Indiana, home to about 9,811 people across 6.1 square miles. Its ZIP code is 46733.
Homes sold for a median of $133 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Decatur. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Decatur’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Indianapolis International Airport (IND)105 miles away |
|---|---|
| Closer regional airport | Fort Wayne International Airport (FWA)17 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN21 miles away |
| Nearest city of 1 million+ | Chicago, IL159 miles away |
Straight-line distances from the center of Decatur; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Decatur had 9,913 residents in the 2020 census, up 4% since 2000.
It’s the 89th largest of 693 towns in Indiana by population.
Adams County grew from 22,232 residents in 1900 to 35,809 in 2020.
Adams County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 18°F. About 40.7 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Decatur 1 N, IN weather station (about a mile away).
11,967 jobs at 768 businesses in Adams County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
106 doctors and other health care providers list an office in Decatur.
Nearest hospitals
Providers with an office here
| Primary care doctors | 12 |
|---|---|
| Specialist doctors | 15 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 27 |
| Mental health providers | 21 |
| Physical and occupational therapists | 14 |
| Optometrists | 2 |
| Chiropractors | 4 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (28 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1836.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by North Adams Community Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bellmont ElementaryDecatur | Pre-K–5 | 684 | Public | 1.4 mi |
| Bellmont Middle SchoolDecatur | 6–8 | 274 | Public | 1.4 mi |
| Bellmont Senior High SchoolDecatur | 9–12 | 613 | Public | 1.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Peter-Immanuel Lutheran SchoolDecatur | Pre-K–8 | 63 | Lutheran Church–Missouri Synod | 6.5 mi |
| Three Oaks Christian SchoolDecatur | Pre-K–12 | 70 | Christian (no specific denomination) | 0.7 mi |
| Zion Lutheran SchoolDecatur | Pre-K–8 | 75 | Lutheran Church–Missouri Synod | 0.3 mi |
| St Joseph SchoolDecatur | K–8 | 248 | Roman Catholic | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.