Newtown is a town in Sullivan County, Missouri, home to about 109 people across 0.3 square miles. Its ZIP code is 64667.
Homes sold for a median of $63 per square foot in the three months ending August 2026.
Mostly Newtown
Each card is that ZIP code’s whole market, including any part outside Newtown. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Newtown’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Des Moines International Airport (DSM)83 miles away |
|---|---|
| Closer regional airport | Kirksville Regional Airport (IRK)44 miles away |
| Nearest city of 250,000+ | Kansas City, MO108 miles away |
| Nearest city of 1 million+ | Chicago, IL310 miles away |
Straight-line distances from the center of Newtown; 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.
Newtown had 113 residents in the 2020 census, down 46% since 2000.
It’s the 860th largest of 1,060 towns in Missouri by population.
Sullivan County grew from 20,282 residents in 1900 to 5,999 in 2020.
Sullivan 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 15°F. About 38 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Princeton, MO weather station (15 miles away).
1,872 jobs at 102 businesses in Sullivan 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.
Public schools here are run by Newtown-Harris R-III. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Newtown-Harris Elem.Newtown | Pre-K–5 | 41 | Public | 1.9 mi |
| Newtown-Harris HighNewtown | 6–12 | 36 | 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.