St. Clair or Saint Clair is a city in Blue Earth County, Minnesota, United States, along the Le Sueur River. The population was 750 at the 2020 census. It is part of the Mankato-North Mankato Metropolitan Statistical Area.

Official town website ↗

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

Town numbers

ZIP code56080

Area code507

Living in St. Clair

Housing in St. Clair

$262K▲ 3.6% in a year Typical home value · Zillow

The typical St. Clair home is worth about $262,000, up 3.6% in a year, 25% below the Minnesota typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in St. Clair

Full picture →

Most working residents leave St. Clair for work: only 4% work in town. The top destinations are Mankato (40%), North Mankato (10%) and St. Peter (4%). Half commute less than 10 miles.

Mankato

40%

North Mankato

10%

St. Peter

Decoria

4%Work in townlive and work in St. Clair 10 miWhere do people commute?the commute map 209Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in St. Clair →

Health in St. Clair

Compared with Minnesota

6better than MN

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 2▲ 10 close Habits all close Care all close Mind 1▲ 4 close Everyday needs 3▲ 1 close

BetterToo close to callWorse

What stands out

8.3%Fewer adults facing food insecurityMN 11.4% · better 2.4%Fewer adults who have had a strokeMN 3.1% · better

Care nearby

Mayo Clinic Health System - MankatoMankato · 8.4 mi · ER

Open Door Health CenterMankato · 7.7 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 St. Clair · CMS · HRSAHealth in St. Clair →

Natural hazards in St. Clair

High

Expected storm and flood damage is higher than in 76% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

7Does St. Clair flood?paid flood claims since 2010 4Disasters that paid out herefederal disasters sent FEMA money to St. Clair

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in St. Clair →

Climate in St. Clair

Full climate →

St. Clair has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 6°, and about 39 inches of snow falls in a normal winter.

26° / 10°Winter

55° / 35°Spring

80° / 60°Summer

58° / 38°Fall

How much snow does St. Clair get?About 39 inches a winter.Rain & snow →When is the first frost?Around Oct 9, with the last in spring around Apr 30.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 St. Clair →

Schools in St. Clair

All St. Clair schools →

B⁺

School Grade B+

The public schools St. Clair’s kids attend outperform 66% of Minnesota’s districts on state tests. Among towns with similar incomes, they sit near the middle.

DistrictST. CLAIR PUBLIC SCHOOL DISTRICTSchools2

ST. Clair Elementary A-Elementary · Grades PK–6 · 411 students ST. Clair Secondary CHigh · Grades 7–12 · 409 students

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