Oneota Township’s average trip to work is 42 minutes, above both South Dakota’s towns (17 minutes) and U.S. towns (25 minutes). No town among the 36 in South Dakota we compare has a higher share of households owning their home than Oneota Township. 32% of the land in Oneota Township is conserved, above both South Dakota’s towns (3.3%) and U.S. towns (4.3%). Brown Hall is on the National Register of Historic Places. Oneota Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

107 people, and everyone knows the way

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

Nearby towns

Franklyn Township · 5 mi Frederick Township · 5 mi Westport Township · 6 mi Westport · 6 mi Frederick · 7 mi Allison Township · 8 mi

Frederick TownshipWestport TownshipFranklyn TownshipBrainard TownshipOneota Township

Brown Hall · National Register of Historic Places

Oneota Township’s story

Oneota Township in pictures

The archive holds 3 maps from 1952 on.

1 place on the National Register of Historic Places.

Explore the history →

Getting set up

Moving to Oneota Township: who provides what

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

The full setup list →

PowerNorthWestern Energy13.3¢/kWh · EIA 2025HIFLD · EIA

WaterWEB WaterNo health-based violations in 5 years · EPAEPA

Internet3 providers100% of addresses get 100/20 MbpsFCC

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

SchoolsFrederick Area School District 06-2Which 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 hereBrown County AuditorBrown County; contacts on the Handbook page.FVAP, Jul 2023

ZIP codes57481, 57426, 5744157481 48% · 57426 36% · 57441 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 Oneota Township.

Outdoors

Oneota Township has set aside nearly a third of its land for conservation

22 miles of trail in 0 parks and preserves.

32.2%conserved

32.2%

conserved · 7,415 of 22,991 acres

22 mi

of trails · 0.6 per sq mi

Full pageOneota Township’s outdoors pageOpen the page

Trail map22 miles of trail, mapped Pick a walkPick a walk Conserved land32.2% conserved · 7,415 acres protected Questions“Where can I hike in Oneota Township?”

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

Climate

Snowy winters and pleasant summers in Oneota Township

Oneota Township has cold, snowy winters and pleasant summers, with very little rain. The July high in Oneota Township is 83°F.

44″snow a winter

Typical low → high °F

Winter6–24°

Spring31–54°

Summer57–81°

Fall34–57°

Sep 29

typical first frost

May 7

typical last frost

+1.1°

vs. the 20th-century average

Full pageOneota Township’s climate pageOpen the page

A year of weatherJuly highs 83°, January lows 3°Rain & snow44″ of snow a winter · 22 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+1.1° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Natural hazards

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

Expected storm and flood damage is lower than in 63% of U.S. communities.

37risk score of 100

FEMA risk score

Inland floodingCold wavesHail

Full pageOneota 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 ready5.2 events a year, on average · Ready for inland flooding

FEMA National Risk Index · OpenFEMA

Health

How healthy Oneota Township is

Oneota Township beats the South Dakota average on 3 of 26 CDC measures and trails it on 2. 29% of Oneota Township adults sleep under 7 hours. Only 2 of the 36 South Dakota towns we compare have a higher share of adults who had a checkup this year than Oneota Township.

	Oneota Township	South Dakota towns	U.S. towns
Sleep under 7 hours (CDC PLACES)	29%	30%	36%
Frequent mental distress (CDC PLACES)	14%	15%	17%
Depression (CDC PLACES)	20%	22%	23%
Binge drink (CDC PLACES)	17%	19%	16%