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South Dakota›Tripp County

Sully TownshipSD

A town in South Dakota, home to 28 people.

Is Sully Township a good place to live?

Sully Township’s midpoint age is 65 years, above both the South Dakota town median (39.5 years) and the median of U.S. towns (40.5 years). Of the 36 South Dakota towns we compare, none has a lower share of adults with a bachelor’s degree than Sully Township. Sully Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

28 people, and everyone knows the way

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

Nearby towns
Bull Creek TownshipIrwin TownshipPlainview TownshipBull Creek TownshipIrwin TownshipPlainview TownshipSully Township
Getting set up

Moving to Sully Township: who provides what

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

The full setup list →
PowerRosebud Electric Coop11.9¢/kWh · EIA 2025HIFLD · EIA
WaterTripp County Water User DistrictNo health-based violations in 5 years · EPAEPA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Sully Township’s trash rules yet
SchoolsWinner School District 59-2Which 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 hereTripp County AuditorTripp County; contacts on the Handbook page.FVAP, Sep 2017
ZIP codes57529, 5758057529 75% · 57580 25%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 Sully Township.

Natural hazards

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

FEMA expects more storm and flood damage in Sully Township than in 69% of U.S. communities. Expected losses in Sully Township break down as 44% from inland flooding and 30% from cold waves.

69risk score of 100
FEMA risk score
69High riskLowerHigher
Inland floodingCold wavesTornadoes

FEMA National Risk Index · OpenFEMA

Climate

Expect snowy winters and hot summers in Sully Township

Only 3 of the 36 South Dakota towns we compare have a higher midsummer high than Sully Township. July afternoons reach 88°, January nights drop to 11° and about 49 inches of snow falls in a winter.

49″snow a winter

Typical low → high °F

Winter14–35°
Spring34–59°
Summer59–85°
Fall37–62°
Oct 9
typical first frost
May 1
typical last frost
+1.3°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Sully Township is

In Sully Township, 40% of adults have high blood pressure, and 15% report frequent physical distress. Of 26 CDC measures, Sully Township beats the South Dakota average on 1 and trails it on 11. 18% of Sully Township adults smoke cigarettes. Also worth knowing: only 2 of the 36 South Dakota towns we compare have a higher share of adults who have diabetes than Sully Township.

Sully TownshipSouth Dakota townsU.S. towns
Diabetes (CDC PLACES)15%10%12%
High blood pressure (CDC PLACES)40%31%35%
Frequent physical distress (CDC PLACES)15%12%14%
Smoke cigarettes (CDC PLACES)18%14%14%
26 measures vs. South Dakota
1 better14 too close to call11 worse
What stands outSully TownshipSD
More adults treating high blood pressure80.5%75.9%
More adults with COPD9.5%6.7%
Avera Gregory Hospital
8.1 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

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

Outdoors

0% of Sully Township is conserved land

22 miles of trail. Sully Township’s trail network density stands at 0.6 miles per square mile.

0%conserved
0%
conserved · 0 of 22,769 acres
22 mi
of trails · 0.6 per sq mi

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

Keep exploring

Everything we know about Sully Township

15pages on Sully Township
After high school

Colleges nearby

None within 15 miles of Sully Township; the nearest are

Questions about Sully Township

Short answers, built from the data on this page.

Is Sully Township, SD a good place to live?

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