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St. Clair, MN

City in Blue Earth County, Minnesota. ZIP codes: 56080.

Population

710

Land area

0.6sq mi

People per sq mi

1,095

ZIP codes

1

St. Clair and its ZIP codes

Full map

St. Clair at a glance

  • St. Clair is about 15 times as dense as Minnesota as a whole.
  • The median household income is $106,136, 19% above the Minnesota median of $89,062.
  • A typical owner-occupied home is valued at $218,000 (34% below Minnesota) and median rent is $750 a month.

Local data for St. Clair, MN

Counts from official public data

Housing and community stats

St. Clair, MN, American Community Survey 2020-2024

Full profile

Median household income

$106,136

Poverty rate

4.9%

Median home value

$218,000

Median rent

$750/mo

Homeownership

94.5%

Bachelor's or higher

31.2%

Median age

43.4

Average commute

26.3 min

Largest reported origins and ancestries: German Americans (360), Norwegian Americans (164), Irish Americans (58).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Blue Earth County. PPP loans are for St. Clair.

Details

Unemployment rate

4.0%

Sep 2026, +1.1 pts in a year

Average annual pay

$59,405

41,483 jobs, 2025

Income per person

$56,864

BEA, 2024

Federal spending

$449M

FY 2026, $6,502 per person

PPP loans

$461K

20 loans, 61 jobs reported

Blue Earth County economyFederal spendingPPP loans

How people get to work

St. Clair, MN, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone79.9%
  • Carpooled6.4%
  • Public transit0.5%
  • Walked1.7%
  • Bicycle0.7%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home10.1%

Average one-way commute: 26.3 minutes for people who do not work from home.

Environment and hazard risk

St. Clair, MN, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: strong wind

Storm events since 1996

570

Countywide, mostly hail

Flood insurance policies

50

0.2% of homes, county

July high / Jan low

82° / 6°F

33.9 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in St. Clair, MN, CDC PLACES estimates

All 40 measures

Obesity

34.2%

U.S. 33.3% +0.9 pts

Diabetes

8.6%

U.S. 12.1% -3.5 pts

Smoking

12.8%

U.S. 12.8% about the same

Uninsured (18-64)

5.9%

U.S. 11.1% -5.2 pts

ZIP codes in St. Clair

1 in or overlapping St. Clair. Population shown

·

Cities near St. Clair

NameDistanceLand area (sq mi)
Eagle LakeCity5.8 mi1.9
PembertonCity6.2 mi0.2
JanesvilleCity7.8 mi1.5
MankatoCity8.3 mi19.9
Madison LakeCity8.9 mi1.4
SkylineCity9.7 mi0.2
North MankatoCity12 mi6.4
MapletonCity12 mi1.4
Good ThunderCity12 mi0.6
ElysianCity12 mi1.2
WaldorfCity13 mi0.4
KasotaCity16 mi1.2
Garden CityCensus-designated place16 mi1.8
Minnesota LakeCity17 mi1.6
ClevelandCity17 mi0.5
WatervilleCity17 mi1.7

Frequently asked questions

What county is St. Clair, MN in?
St. Clair is in Blue Earth County, Minnesota.
What ZIP codes are in St. Clair, MN?
ZIP codes in or overlapping St. Clair include 56080.
What is the population of St. Clair, MN?
About 710 people live in St. Clair, based on American Community Survey 5-year estimates.
What cities are near St. Clair?
Nearby places include Eagle Lake (5.8 mi), Pemberton (6.2 mi), Janesville (7.8 mi), Mankato (8.3 mi), Madison Lake (8.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023