Jonesburg is a city in Warren County, Missouri, home to about 806 people across 1.4 square miles. Its ZIP code is 63351.
Homes sold for a median of $202 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Jonesburg. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Jonesburg’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)51 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO59 miles away |
| Nearest city of 1 million+ | Chicago, IL280 miles away |
Straight-line distances from the center of Jonesburg; 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.
Jonesburg had 726 residents in the 2020 census, up 4% since 2000.
It’s the 418th largest of 1,060 towns in Missouri by population.
Warren County grew from 9,919 residents in 1900 to 35,532 in 2020.
Warren County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 20°F. About 41.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Warrenton 1 N, MO weather station (9 miles away).
6,953 jobs at 654 businesses in Warren 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 Montgomery Co. R-II. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Jonesburg Elem.Jonesburg | Pre-K–5 | 149 | Public | 1.5 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.