Vandalia is a city in northeastern Audrain County and extending into southeastern Ralls County in Missouri, United States. The population was 3,553 at the 2020 census, which includes about 1,000 prisoners incarcerated at the prison located within the city limits. The Audrain County portion of Vandalia is part of the Mexico Micropolitan Statistical Area, while the Ralls County portion is part of the Hannibal Micropolitan Statistical Area.

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

How Vandalia ranks

All →

#11Most affordable in MO #19Lowest property tax in MO #36Most walkable in MO All MO rankings →

Town numbers

ZIP code63382

Area code573

Living in Vandalia

Housing in Vandalia

$144K▲ 17.4% in a year Typical home value · Zillow

The typical Vandalia home is worth about $144,000, up 17.4% in a year, 46% below the Missouri typical home.

Only 4 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Health in Vandalia

C⁻

Health Grade C−

Healthier than 18% of U.S. towns on seven CDC estimates, and 44% of towns with similar incomes.

Compared with Missouri

3better than MO·11worse

of 32 measures CDC estimates. The other 18 are too close to call.

Conditions 3▲ 3▼ 6 close Habits 1▼ 3 close Care 2▼ 5 close Mind 1▼ 4 close Everyday needs 4▼ 0 close

BetterToo close to callWorse

What stands out

7%Fewer adults who have had cancerMO 8.6% · better 5.8%Fewer adults with heart diseaseMO 6.8% · better 22.7%More older adults who have lost all their teethMO 15.8% · worse

Care nearby

Pike County Memorial HospitalLouisiana · 24.5 mi · ER · rural critical access

Clarity HealthcareBowling Green · 18.5 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 Vandalia · CMS · HRSAHealth in Vandalia →

Natural hazards in Vandalia

Moderate

Expected storm and flood damage is higher than in 47% of U.S. communities.

🌊 Inland flooding🌡️ Heat waves🏚️ Earthquakes

11Does Vandalia flood?paid flood claims since 1980 6Disasters that paid out herefederal disasters sent FEMA money to Vandalia

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

Climate in Vandalia

Full climate →

Vandalia has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 20°, and about 16 inches of snow falls in a normal winter.

40° / 22°Winter

64° / 43°Spring

85° / 64°Summer

66° / 45°Fall

How much snow does Vandalia get?About 16 inches a winter.Rain & snow →When is the first frost?Around Oct 23, with the last in spring around Apr 11.Frost dates →Is it warmer than it used to be?+0.8° vs. the 20th century.Then & now →

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

Schools in Vandalia

All Vandalia schools →

School Grade C

The public schools Vandalia’s kids attend, from kindergarten through graduation, trail 75% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictDEPARTMENT OF CORRECTIONSSchools3

Women E. Recep/Diag Cor C/AcadHigh · Grades 7–12 Women E. Recep/Diag Cor C/DiagHigh · Grades 7–12 Women's East Region Trtmt CTRHigh · Grades 7–12

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.