St. Joe is a town in DeKalb County, Indiana, home to about 411 people across 0.3 square miles. Its ZIP code is 46785.
Homes sold for a median of $140 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 St. Joe. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Joe’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Detroit Metropolitan Wayne County Airport (DTW)101 miles away |
|---|---|
| Closer regional airport | Fort Wayne International Airport (FWA)28 miles away |
| Nearest city of 250,000+ | Fort Wayne, IN20 miles away |
| Nearest city of 1 million+ | Chicago, IL148 miles away |
Straight-line distances from the center of St. Joe; 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.
St. Joe had 418 residents in the 2020 census, down 13% since 2000.
It’s the 507th largest of 693 towns in Indiana by population.
DeKalb County grew from 25,711 residents in 1900 to 43,265 in 2020.
DeKalb County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 17°F. About 35.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hicksville, OH weather station (8 miles away).
21,088 jobs at 1,034 businesses in DeKalb County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (1 nearby)
Counts are within about 1 mile 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.
Public schools here are run by DeKalb Co Eastern Com Sch Dist. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Riverdale Elementary SchoolSaint Joe | K–6 | 300 | Public | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public 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.