Warrenton is a city in and the county seat of Warren County, Missouri, United States. As of the 2020 census, Warrenton had a population of 8,429. Warrenton is an exurb of St. Louis, and is located in the St. Louis Metropolitan Statistical Area. Warrenton's slogan is "A City for All Seasons."

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Warrenton ranks

All →

#14Most new homes in MO #72Fastest growing in MO #99Most conserved land in MO All MO rankings →

Town numbers

ZIP code63383

Area code636

Living in Warrenton

Housing in Warrenton

$304K▲ 2.5% in a year Typical home value · Zillow

The typical Warrenton home is worth about $304,000, up 2.5% in a year, 13% above the Missouri typical home.

A seller's market

Buyer’sBalancedSeller’s

Days on market7

Sale-to-list98.5%

Sold in May8

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Warrenton

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Warrenton's police department reported only 2023 and 2024, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Warrenton 0.3

Missouri 4.7

U.S. 3.6

Property crime per 1,000

Warrenton 6.6

Missouri 20.1

U.S. 17.7

FBI crime data, 2024 · crimes reported to policeCrime & safety →

Work & commute in Warrenton

Full picture →

Most working residents leave Warrenton for work: only 11% work in town. The top destinations are Wentzville (7%), O'Fallon (7%) and St. Louis (4%). Half commute less than 28 miles.

Wentzville

O'Fallon

St. Louis

Truesdale

11%Work in townlive and work in Warrenton 28 miWhere do people commute?the commute map 3,127Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Warrenton →

Health in Warrenton

C⁻

Health Grade C−

Healthier than 19% of U.S. towns on seven CDC estimates.

Compared with Missouri

5worse than MO

of 32 measures CDC estimates. The other 27 are too close to call.

Conditions all close Habits 1▼ 3 close Care 3▼ 4 close Mind 1▼ 4 close Everyday needs all close

BetterToo close to callWorse

What stands out

19.2%More smokersMO 16% · worse 20%More adults in frequent mental distressMO 17.5% · worse 54.1%Fewer adults seeing a dentistMO 60.4% · worse

Care nearby

Mercy Hospital LincolnTroy · 13.6 mi · ER · rural critical access

Compass HealthWarrenton · 0.4 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Warrenton · CMS · HRSAHealth in Warrenton →

Natural hazards in Warrenton

Low

Expected storm and flood damage is higher than in 28% of U.S. communities.

🌊 Inland flooding🌡️ Heat waves🏚️ Earthquakes

4Does Warrenton flood?paid flood claims since 2009 1Disasters that paid out herefederal disaster sent FEMA money to Warrenton MapWarrenton vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Warrenton →

Climate in Warrenton

Full climate →

Warrenton has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 21°, and about 8 inches of snow falls in a normal winter.

42° / 23°Winter

65° / 43°Spring

86° / 64°Summer

67° / 45°Fall

How much snow does Warrenton get?About 8 inches a winter.Rain & snow →When is the first frost?Around Oct 23, with the last in spring around Apr 14.Frost dates →Is it warmer than it used to be?+1.2° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Warrenton →

Schools in Warrenton

All Warrenton schools →

B⁻

School Grade B-

The public schools Warrenton’s kids attend, from kindergarten through graduation, outperform 51% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#112Best public schoolsof 226 in MO

DistrictWARREN CO. R-IIISchools6

Warrior Ridge Elem. A-Elementary · Grades K–5 · 497 students Daniel Boone Elem. B-Elementary · Grades K–5 · 329 students Holy Rosary SchoolElementary · Grades PK–8 · 185 students Black Hawk Middle CMiddle · Grades 6–8 · 696 students Warrenton High BHigh · Grades 9–12 · 974 students Hopewell Acad Early Chld CntrPrekindergarten · Grades PK · 61 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.