Warrenton is a city in Warren County, Missouri, home to about 9,066 people across 8.9 square miles. Its ZIP code is 63383, and parts of 63380 and 63390 are in Warrenton too.
Homes sold for a median of $210 per square foot in the three months ending August 2026, a seller’s market.
Mostly Warrenton; also Pendleton
Mostly Truesdale; part is in Warrenton
Mostly Wright City; part is in Warrenton
Each card is that ZIP code’s whole market, including any part outside Warrenton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Warrenton’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)43 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO51 miles away |
| Nearest city of 1 million+ | Chicago, IL278 miles away |
Straight-line distances from the center of Warrenton; 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.
Warrenton had 8,429 residents in the 2020 census, up 60% since 2000.
It’s the 93rd 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 (3 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).
125 doctors and other health care providers list an office in Warrenton.
Nearest hospitals
Providers with an office here
| Primary care doctors | 9 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 28 |
| Physical and occupational therapists | 37 |
| Optometrists | 5 |
| Chiropractors | 14 |
| Pharmacies | 7 |
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.
Parks (10 nearby)
Grocery stores (3 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1830.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Warren Co. R-III. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hopewell Acad Early Chld CntrWarrenton | Pre-K | 61 | Public | 1.3 mi |
| Daniel Boone Elem.Warrenton | K–5 | 329 | Public | 1.5 mi |
| Rebecca Boone Elem.Warrenton | K–5 | 424 | Public | 1.8 mi |
| Warrior Ridge Elem.Warrenton | K–5 | 497 | Public | 1.6 mi |
| Black Hawk MiddleWarrenton | 6–8 | 696 | Public | 1.5 mi |
| Warrenton HighWarrenton | 9–12 | 974 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Holy Rosary SchoolWarrenton | Pre-K–8 | 157 | Roman Catholic | 1.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Wright City, Truesdale, Innsbrook and Pendleton.
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.