The Moody County Courthouse in Flandreau, South Dakota, United States, was built in 1915. It was listed on the National Register of Historic Places in 1993.

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6 on the National Register · #26 in SDHistoric places →

Know Flandreau

The town at a glance, and the guide to how things work

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About Flandreau

City in South Dakota, United States

1902Established

2,372Population

1.9 sq miArea

1,565 ftElevation

Flandreau FLAN-droo is a city in and county seat of Moody County, South Dakota, United States. The population was 2,372 at the 2020 census. It was named in honor of Charles Eugene Flandrau, a judge in the territory and state of Minnesota. He is credited with saving the community of New Ulm, Minnesota, from destruction during conflict with the Sioux tribe in 1862. In 2015, the nearby federally recognized Flandreau Indian Reservation of Santee Sioux had planned to open the nation's first recreational marijuana lounge in a former bowling alley, close to its existing Royal River Casino and Hotel. Any tourists or non-tribal members using marijuana on tribal land risked state prosecution, so they…

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

Town numbers

ZIP code57028

Area code605

Living in Flandreau

Safety in Flandreau

B⁻

Safety Grade B-

Flandreau reports less crime per resident than 52% of the U.S. towns and cities we grade.

Violent crime per 1,000

Flandreau 1.3

South Dakota 3.3

U.S. 3.3

Property crime per 1,000

Flandreau 6.3

South Dakota 14.3

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Flandreau

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41% of Flandreau’s working residents work right in town. The top destinations are Sioux Falls (14%), Flandreau (9%) and Brookings (7%). Half commute less than 4 miles.

Sioux Falls

14%

Flandreau

Brookings

Pipestone, MN

41%Work in townlive and work in Flandreau 4 miWhere do people commute?the commute map 1,052Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Flandreau →

Health in Flandreau

B⁻

Health Grade B−

Healthier than 48% of U.S. towns on seven CDC estimates, and 87% of towns with similar incomes.

Compared with South Dakota

2better than SD·7worse

of 26 measures CDC estimates. The other 17 are too close to call.

Conditions 6▼ 6 close Habits 1▲ 3 close Care 1▲ 1▼ 5 close Mind all close

BetterToo close to callWorse

What stands out

15.8%Fewer binge drinkersSD 18.8% · better 79.1%More adults treating high blood pressureSD 75.9% · better 16.2%More older adults who have lost all their teethSD 12.7% · worse

Care nearby

Avera Flandreau Hospital - CahFlandreau · 0.6 mi · ER · rural critical access

Access Health - BrookingsBrookings · 20 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

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

Natural hazards in Flandreau

High

Expected storm and flood damage is higher than in 66% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🧊 Ice storms

7Does Flandreau flood?paid flood claims since 1982 4Disasters that paid out herefederal disasters sent FEMA money to Flandreau

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

Climate in Flandreau

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Flandreau has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 5°, and about 40 inches of snow falls in a normal winter.

27° / 8°Winter

55° / 33°Spring

80° / 58°Summer

58° / 35°Fall

How much snow does Flandreau get?About 40 inches a winter.Rain & snow →When is the first frost?Around Oct 1, with the last in spring around May 5.Frost dates →Is it warmer than it used to be?+0.6° vs. the 20th century.Then & now →

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

Schools in Flandreau

All Flandreau schools →

School Grade D

The public schools Flandreau’s kids attend, from kindergarten through graduation, trail 90% of South Dakota’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

DistrictFlandreau School District 50-3Schools3

Flandreau Elementary - 04 DElementary · Grades K–4 · 287 students Flandreau Middle School - 03 CMiddle · Grades 5–8 · 193 students Flandreau High School - 01 C+High · Grades 9–12 · 201 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 SD. Ratings are from neighbors.