South Dakota›Miner County

Grafton TownshipSD

A town of 66.

4 bordering townsMap →

Nemo School House · Photo: Magicpiano · CC BY-SA 4.0

Population

2025 Census estimate · +1.5% since 2020

Is Grafton Township a good place to live?

Nemo School House is on the National Register of Historic Places. Grafton Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

66 people, and everyone knows the way

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

Nearby towns

Carthage Township · 5 mi Belleview Township · 6 mi Adams Township · 6 mi Mathews Township · 7 mi Green Valley Township · 8 mi Henden Township · 8 mi

Mathews TownshipCarthage TownshipAdams TownshipBelleview TownshipGrafton Township

Nemo School House · National Register of Historic Places

Grafton Township’s story

Grafton Township in pictures

1 place on the National Register of Historic Places.

Explore the history →

Getting set up

Moving to Grafton Township: who provides what

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

The full setup list →

PowerXcel Energy13.1¢/kWh · EIA 2025HIFLD · EIA

WaterKingbrook II Rural Water SystemNo health-based violations in 5 years · EPAEPA

Internet2 providers95% of addresses get 100/20 MbpsFCC

Trash & dumpNot on file yetWe don’t have Grafton Township’s trash rules yet

SchoolsHoward School District 48-3Which 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 hereMiner County AuditorMiner County; contacts on the Handbook page.FVAP, Jul 2023

ZIP codes57349, 5732357349 90% · 57323 10%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 Grafton Township.

Natural hazards

Top of a low hazard risk in Grafton Township: inland flooding

Of the losses FEMA expects in Grafton Township, 25% come from inland flooding and 23% from drought. FEMA expects less storm and flood damage in the town than in 71% of U.S. communities.

29risk score of 100

FEMA risk score

Inland floodingDroughtCold waves

Full pageGrafton Township’s hazards pageOpen the page

What it facesLow risk Flood claims0 paid flood claims · No paid flood claims on record Past disasters17 disaster declarations · Declared for the county Get ready0.4 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Climate

Grafton Township: four seasons and pleasant summers

A winter brings about 36 inches of snow, with January nights at 6° and July afternoons at 84°.

36″snow a winter

Typical low → high °F

Winter9–28°

Spring34–56°

Summer59–81°

Fall36–58°

Oct 2

typical first frost

May 5

typical last frost

+0.9°

vs. the 20th-century average

Full pageGrafton Township’s climate pageOpen the page

A year of weatherJuly highs 84°, January lows 6°Rain & snow36″ of snow a winter · 25 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+0.9° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Grafton Township is

The share of adults in Grafton Township who get no exercise outside work is 27%, above both the South Dakota town median (22%) and the median of U.S. towns (25%). Of 26 CDC measures, Grafton Township beats the South Dakota average on 2 and trails it on 6. For adults here, the share who have high blood pressure is 38%. Among 36 South Dakota towns, just 3 have a lower share of adults who binge drink than Grafton Township.

	Grafton Township	South Dakota towns	U.S. towns
High blood pressure (CDC PLACES)	38%	31%	35%
Sleep under 7 hours (CDC PLACES)	29%	30%	36%
Diabetes (CDC PLACES)	13%	10%	12%
Frequent mental distress (CDC PLACES)	15%	15%	17%