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South Dakota›Lyman County
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Rex TownshipSD

A town of 22.

Population
22
2025 Census estimate · −4.3% since 2020

Is Rex Township a good place to live?

Rex 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
Reliance · 5 miBailey Township · 8 miKennebec · 8 miOacoma Township · 13 miRoseland Township · 17 miOacoma · 18 mi
Bailey TownshipBailey TownshipRex Township
Getting set up

Moving to Rex Township: who provides what

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

The full setup list →
PowerWest Central Electric CoopEIAHIFLD · EIA
Internet2 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Rex Township’s trash rules yet
SchoolsLyman School District 42-1Which 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 hereLyman County AuditorLyman County; contacts on the Handbook page.FVAP, Jul 2023
ZIP code5756957569 100%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 Rex Township.

Natural hazards

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

For Rex Township, the natural-hazard score from FEMA is 85 of 100. FEMA puts 48% of the town’s expected hazard losses down to inland flooding, and 33% to cold waves.

85risk score of 100
FEMA risk score
85Very high riskLowerHigher
Inland floodingCold wavesHail
Full pageRex Township’s hazards pageOpen the page
What it facesVery high riskFlood claims0 paid flood claims · No paid flood claims on recordPast disasters14 disaster declarations · Declared for the countyGet ready1.1 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

Four seasons and pleasant summers in Rex Township

Only 3 of the 36 South Dakota towns we compare have a higher July high than Rex Township. July afternoons reach 88°, January nights drop to 10° and about 40 inches of snow falls in a winter.

40″snow a winter

Typical low → high °F

Winter12–33°
Spring34–59°
Summer59–85°
Fall37–62°
Sep 28
typical first frost
May 12
typical last frost
+1.2°
vs. the 20th-century average
Full pageRex Township’s climate pageOpen the page
A year of weatherJuly highs 88°, January lows 10°Rain & snow40″ of snow a winter · 22 inches of rain and snow a yearHeating & coolingMostly a heating billThen and now+1.2° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Rex Township is

Among adults in Rex Township, 18% binge drink. A fifth of adults in the town have been diagnosed with depression; 15% report frequent mental distress.

Rex TownshipSouth Dakota townsU.S. towns
Sleep under 7 hours (CDC PLACES)28%30%36%
Depression (CDC PLACES)20%22%23%
Frequent mental distress (CDC PLACES)15%15%17%
Binge drink (CDC PLACES)18%19%16%
26 measures vs. South Dakota
0 better25 too close to call1 worse
What stands outRex TownshipSD
More adults who have had cancer10.4%9.2%
Sanford Chamberlain Medical Center
20.2 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
Full pageRex Township’s health reportOpen the page
Everyday habitsFewer adults sleeping under 7 hoursHospitals & doctors nearby20.2 miles to an ER · Sanford Chamberlain Medical CenterHow adults are doingFewer adults in frequent mental distressEvery CDC estimateBetter than SD on 0 of 26

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

Outdoors

Rex Township keeps 1.3% of its land conserved

In Rex Township, the concentration of trails is 1.0 miles per square mile, against 0.6 in South Dakota’s towns and 0.4 across U.S. towns. 37 miles of trail.

1.3%conserved
Rex TownshipSouth Dakota townsU.S. towns
Miles of trail per square mile1.0 miles per square mile0.60.4
Conserved land1.3%3.3%4.3%
1.3%
conserved · 301 of 22,844 acres
37 mi
of trails · 1 per sq mi
Full pageRex Township’s outdoors pageOpen the page
Trail map37 miles of trail, mappedPick a walkPick a walkConserved land1.3% conserved · 301 acres protectedQuestions“Where can I hike in Rex Township?”

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

Keep exploring

Everything we know about Rex Township

12pages on Rex Township
The big questions
HealthBetter than SD on 0 of 26 CDC measuresNatural hazardsFEMA risk higher than 85% of U.S. communities · inland flooding
Out and about
Outdoors37 mi of trails · 1% conserved landPlacesLibraryKennebec Public Library
The story
Town Hall & politicsClimate88° summer highs · 40″ of snow
Day to day
NewsWeatherHandbookTown SquareNeighbors
After high school

Colleges nearby

None within 15 miles of Rex Township; the nearest are

Sinte Gleska UniversityUniversity or college · Public · Mission62 mi$4,714 in-state tuitionMitchell Technical CollegeCommunity college · Public · Mitchell85.8 mi$7,524 in-state tuition

About 0 of every 100 Rex Township residents are enrolled in college, against 5 across South Dakota.

Prices by family income, graduation and earnings →

Questions about Rex Township

Short answers, built from the data on this page.

Is Rex Township, SD a good place to live?

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