Letcher TownshipSD
A town of 123.
Is Letcher Township a good place to live?
14% of the land in Letcher Township is conserved, where South Dakota’s towns sit at 3.3% and U.S. towns at 4.3%. Letcher Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
123 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Letcher Township: who provides what
Who provides power, water and the rest in Letcher Township, and how to reach them.
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 Letcher Township.
Fewer adults under 35 in Letcher Township than across South Dakota
Letcher Township has grown 2.5% since 2020, to 123 residents in the Census Bureau’s 2025 estimate. Adults 18 to 34 are 3% of residents (22% statewide); people 65 and older are 32% of residents (18% statewide). The midpoint age for Letcher Township comes to 49.9 years, above both South Dakota’s towns (39.5 years) and U.S. towns (40.5 years). Here, 32% of adults 25 and older have a bachelor’s degree, against 32% in South Dakota as a whole.
| Letcher Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Median age | 49.9 years | 39.5 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 32% | 33% | 29% |
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
Somewhere between 44% and 68% women
The Census survey reached too few of Letcher Township’s residents to say more: its margin here is ±12 points. Across South Dakota, 49.2% of residents are women.
| Letcher Township | SD | U.S. | |
|---|---|---|---|
| Under 10 | 13.7% | 13.1% | 11.6% |
| 10 to 17 | 13.7% | 11.2% | 10.3% |
| 18 to 24 | 0% | 9.3% | 9.1% |
| 25 to 34 | 2.9% | 12.6% | 13.7% |
| 35 to 44 | 13.7% | 12.6% | 13.2% |
| 45 to 54 | 16.7% | 10.7% | 12.2% |
| 55 to 64 | 6.9% | 12.6% | 12.7% |
| 65 to 74 | 17.6% | 11% | 10.2% |
| 75 and older | 14.7% | 7% | 7% |
| No diploma | 4.1% | 6.8% | 10.4% |
| High school | 25.7% | 29% | 26% |
| Some college | 28.4% | 19.9% | 19.1% |
| Associate’s | 9.5% | 12.3% | 8.8% |
| Bachelor’s | 16.2% | 21.9% | 21.6% |
| Graduate | 16.2% | 10% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 100, single groups can be off by several points
Letcher Township: snowy winters and pleasant summers
The range runs from 7° on a January night to 86° on a July afternoon, with about 41 inches of snow a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
Open space protected for good: 14.3% of Letcher Township
Letcher Township’s density of trails is 0.2 miles per square mile. 8.0 miles of trail.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
How healthy Letcher Township is
75% of Letcher Township adults had a checkup this year. This South Dakota town tracks South Dakota closely on all 26 CDC measures.
| Letcher Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 17% | 14% | 14% |
| Sleep under 7 hours (CDC PLACES) | 30% | 30% | 36% |
| Yearly checkup (CDC PLACES) | 75% | 76% | 79% |
| Binge drink (CDC PLACES) | 19% | 19% | 16% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Top of a moderate hazard risk in Letcher Township: inland flooding
Compared with 55% of U.S. communities, expected storm and flood damage in Letcher Township is lower. Expected losses in Letcher Township break down as 34% from inland flooding and 16% from tornadoes.
FEMA National Risk Index · OpenFEMA
Everything we know about Letcher Township
Colleges nearby
1 within 15 miles of the center of Letcher Township
About 3 of every 100 Letcher Township residents are enrolled in college, against 5 across South Dakota.
About Letcher Township
Town in South Dakota, United States
Letcher is a town in Sanborn County, South Dakota, United States. The population was 159 at the 2020 census. Letcher has the name of O. T. Letcher, a local landowner.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.7 sq mi
- Elevation
- 1,302 ft
- ZIP code
- 57359
Questions about Letcher Township
Short answers, built from the data on this page.
Is Letcher Township, SD a good place to live?
Letcher Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.