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South Dakota›Butte County
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Union TownshipSD

A town of 22.

Population
22
2025 Census estimate · +4.8% since 2020

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

22 people, and everyone knows the way

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

Nearby towns
Eagle Township · 12 miVrooman Township · 15 miUpper Red Owl Township · 23 mi
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 →
PowerBlack Hills Energy15.1¢/kWh · EIA 2025HIFLD · EIA
Internet3 providers82% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Union Township’s trash rules yet
SchoolsNewell School District 09-2Which 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 hereButte County AuditorButte County; contacts on the Handbook page.FVAP, Jul 2023
ZIP codes57760, 5775857760 84% · 57758 16%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.

Natural hazards

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

Union Township’s FEMA risk score comes in at 77 of 100. Of the losses FEMA expects locally, 50% come from inland flooding and 15% from wildfires.

77risk score of 100
FEMA risk score
77High riskLowerHigher
Inland floodingWildfireCold waves
Full pageUnion Township’s hazards pageOpen the page
What it facesHigh riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters18 disaster declarations · Declared for the countyGet ready0.7 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

In Union Township, expect snowy winters and pleasant summers

Union Township’s July high stands at 87°F.

43″snow a winter

Typical low → high °F

Winter11–34°
Spring31–57°
Summer55–84°
Fall32–61°
Sep 28
typical first frost
May 11
typical last frost
+1.3°
vs. the 20th-century average
Full pageUnion Township’s climate pageOpen the page
A year of weatherJuly highs 87°, January lows 9°Rain & snow43″ of snow a winter · 17 inches of rain and snow a yearHeating & coolingMostly a heating billThen and now+1.3° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Union Township is

Union Township: 17% of adults binge drink. CDC measures, 26 in all: Union Township beats South Dakota on 1 and trails on 7. In Union Township, nearly two in five adults have high blood pressure, above both the South Dakota town median (31%) and the median of U.S. towns (35%). Only 3 of the 36 South Dakota towns we compare have a higher share of adults who say their health is fair or poor than Union Township.

Union TownshipSouth Dakota townsU.S. towns
High blood pressure (CDC PLACES)39%31%35%
Diabetes (CDC PLACES)13%10%12%
Get no exercise (CDC PLACES)28%22%25%
Smoke cigarettes (CDC PLACES)17%14%14%
26 measures vs. South Dakota
1 better18 too close to call7 worse
What stands outUnion TownshipSD
More adults treating high blood pressure79.6%75.9%
More adults with heart disease9.1%6.8%
VA Black Hills Healthcare System
43.3 mi away · emergency room
2 of 3
care shortages: primary care, mental health
Full pageUnion Township’s health reportOpen the page
Everyday habitsMore adults who get no exerciseHospitals & doctors nearby43.3 miles to an ER · VA Black Hills Healthcare SystemHow adults are doingMore adults in frequent physical distressEvery CDC estimateBetter than SD on 1 of 26

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

8.3%conserved
8.3%
conserved · 7,490 of 90,149 acres
5.1 mi
of trails · 0 per sq mi
Full pageUnion Township’s outdoors pageOpen the page
Trail map5.1 miles of trail, mappedPick a walkPick a walkConserved land8.3% conserved · 7,490 acres protectedQuestions“Where can I hike in Union Township?”

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Keep exploring

Everything we know about Union Township

13pages on Union Township
The big questions
HealthBetter than SD on 1 of 26 CDC measuresNatural hazardsFEMA risk higher than 77% of U.S. communities · inland flooding
Out and about
Outdoors5 mi of trails · 8% conserved landPlacesLibraryNewell Public LibraryColleges
The story
Town Hall & politicsClimate87° summer highs · 43″ of snow
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

None within 15 miles of Union Township; the nearest are

Black Hills State UniversityUniversity or college · Public · Spearfish52.6 mi$8,764 in-state tuitionWestern Dakota Technical CollegeCommunity college · Public · Rapid City60.7 mi$8,294 in-state tuition

Prices by family income, graduation and earnings →

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.