Monroe City is a town in Knox County, Indiana, home to about 767 people across 0.3 square miles. Its ZIP code is 47557.
Homes sold for a median of $126 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 Monroe City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Monroe City’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louisville Muhammad Ali International Airport (SDF)93 miles away |
|---|---|
| Closer regional airport | Evansville Regional Airport (EVV)40 miles away |
| Nearest city of 250,000+ | Louisville/Jefferson County, KY98 miles away |
| Nearest city of 1 million+ | Chicago, IL224 miles away |
Straight-line distances from the center of Monroe City; 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.
Monroe City had 502 residents in the 2020 census, down 8% since 2000.
It’s the 400th largest of 693 towns in Indiana by population.
Knox County grew from 32,746 residents in 1900 to 36,282 in 2020.
Knox County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 24°F. About 48 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Washington 1 W, IN weather station (10 miles away).
14,031 jobs at 873 businesses in Knox County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Monroe City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Physical and occupational therapists | 2 |
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.
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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.