Troy is a town in Spencer County, Indiana, home to about 608 people across 1.1 square miles. Its ZIP code is 47588.
Mostly Troy
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| Nearest major airport | Louisville Muhammad Ali International Airport (SDF)59 miles away |
|---|---|
| Closer regional airport | Owensboro Daviess County Airport (OWB)29 miles away |
| Nearest city of 250,000+ | Louisville/Jefferson County, KY63 miles away |
| Nearest city of 1 million+ | Chicago, IL267 miles away |
Straight-line distances from the center of Troy; 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.
Troy had 347 residents in the 2020 census, down 11% since 2000.
It’s the 446th largest of 693 towns in Indiana by population.
Spencer County grew from 22,407 residents in 1900 to 19,810 in 2020.
Spencer 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 26°F. About 51.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Tell City, IN weather station (6 miles away).
5,132 jobs at 423 businesses in Spencer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (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.
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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.