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South Dakota›Moody County

Union TownshipSD

A town of 83.

Is Union Township a good place to live?

Union Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

83 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Flandreau TownshipTroy TownshipWard TownshipLone Rock TownshipAltona TownshipFlandreau TownshipTroy TownshipWard TownshipLone Rock TownshipAltona TownshipUnion Township
Getting set up

Moving to Union Township: who provides what

Who provides power, water and the rest in Union Township, and how to reach them.

The full setup list →
PowerXcel Energy13.1¢/kWh · EIA 2025HIFLD · EIA
WaterBig Sioux Community Water SystemNo health-based violations in 5 years · EPAEPA
Internet6 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Union Township’s trash rules yet
SchoolsFlandreau School District 50-3Which school depends on your addressNCES
Register to voteIn personSouth Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before).vote.gov
Who runs elections hereMoody County AuditorMoody County; contacts on the Handbook page.FVAP, Jul 2023
ZIP codes57028, 5702657028 85% · 57026 15%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Union Township.

Climate

Union Township: four seasons and pleasant summers

In Union Township, the July high is 82°F.

40″snow a winter

Typical low → high °F

Winter8–26°
Spring33–55°
Summer58–80°
Fall35–57°
Oct 2
typical first frost
May 4
typical last frost
+0.7°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Schools

The schools Union Township’s kids attend

Its one school is below. Public schools: the Flandreau School District 50-3.

SchoolLevelStudentsLetter
Pleasant Valley Colony Elementary - 06Largest public elementary schoolGrades K–8Grades K–834C

NCES · EDFacts

Natural hazards

Union Township faces a low natural-hazard risk, led by inland flooding

Union Township’s FEMA hazard score is 37 of 100, below both the South Dakota town median (54 of 100) and the median of U.S. towns (44 of 100). Just over a third of the town’s expected losses from natural hazards come from inland flooding, followed by tornadoes at 23%. Expected storm and flood damage is lower than in 63% of U.S. communities.

37risk score of 100
FEMA risk score
37Low riskLowerHigher
Inland floodingTornadoesIce storms

FEMA National Risk Index · OpenFEMA

Health

How healthy Union Township is

14% of Union Township adults report frequent physical distress. Of 26 CDC measures, Union Township beats the South Dakota average on 1 and trails it on 4. In Union Township, a fifth of adults have been diagnosed with depression, below both South Dakota’s towns (22%) and U.S. towns (23%). Only 3 of the 36 South Dakota towns we compare have a lower share of adults who binge drink than Union Township.

Union TownshipSouth Dakota townsU.S. towns
Diabetes (CDC PLACES)14%10%12%
Depression (CDC PLACES)20%22%23%
Frequent mental distress (CDC PLACES)15%15%17%
Sleep under 7 hours (CDC PLACES)32%30%36%
26 measures vs. South Dakota
1 better21 too close to call4 worse
What stands outUnion TownshipSD
More adults getting cholesterol checked86.7%84.8%
More adults who have had a stroke4.1%3.5%
Avera Flandreau Hospital - Cah
5.2 mi away · emergency room
2 of 3
care shortages: primary care, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Keep exploring

Everything we know about Union Township

14pages on Union Township
After high school

Colleges nearby

None within 15 miles of Union Township; the nearest are

Questions about Union Township

Short answers, built from the data on this page.

Is Union Township, SD a good place to live?

Union Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.