Calhoun is a city in Henry County, Missouri, home to about 374 people across 1.0 square miles. Its ZIP code is 65323.
Homes sold for a median of $102 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 Calhoun. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Calhoun’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Kansas City International Airport (MCI)80 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO66 miles away |
| Nearest city of 1 million+ | Chicago, IL391 miles away |
Straight-line distances from the center of Calhoun; 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.
Calhoun had 392 residents in the 2020 census, down 20% since 2000.
It’s the 590th largest of 1,060 towns in Missouri by population.
Henry County grew from 28,054 residents in 1900 to 21,946 in 2020.
Henry 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 19°F. About 44.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Windsor, MO weather station (7 miles away).
7,053 jobs at 593 businesses in Henry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Calhoun.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
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.
Public schools here are run by Calhoun R-Viii. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Calhoun Elem.Calhoun | K–8 | 58 | Public | 1.9 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.