Altamont is a village in Daviess County, Missouri, home to about 147 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 64620.
Homes sold for a median of $178 per square foot in the three months ending August 2026, a seller’s market.
Part is in Altamont, part in Lake Viking
Each card is that ZIP code’s whole market, including any part outside Altamont. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Altamont’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)53 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO59 miles away |
| Nearest city of 1 million+ | Chicago, IL360 miles away |
Straight-line distances from the center of Altamont; 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.
Altamont had 171 residents in the 2020 census, down 22% since 2000.
It’s the 795th largest of 1,060 towns in Missouri by population.
Daviess County grew from 21,325 residents in 1900 to 8,430 in 2020.
Daviess County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 16°F. About 40.7 inches of rain and melted snow fall in a typical year, with about 20 inches of snow.
Source: NOAA 1991–2020 climate normals, Gallatin 1w, MO weather station (6 miles away).
1,250 jobs at 167 businesses in Daviess 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.
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Shares ZIP codes with Lake Viking.
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.