Each edition grades its towns against each other only.
A town of 127, platted in 1881.
Groton Township’s median age is 64.6 years, against 39.5 years in South Dakota’s towns and 40.5 years across U.S. towns. Of the 36 South Dakota towns we compare, none has a lower share of adults with a bachelor’s degree than Groton Township. Groton Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 684 in 1890, 1,380 in 2020. The archive holds 8 old photos and papers going back to 1898 and 4 maps from 1895 on.
Who provides power, water and the rest in Groton 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.
Ordered by what stands out in Groton Township.
Most working residents leave Groton Township for work: only 0% work in town. Groton Township’s median household income is $104,000, above both South Dakota’s towns ($72,000) and U.S. towns ($80,000). The top destinations are Aberdeen (33%), Groton (17%) and Sioux Falls (7%).
Census LEHD 2023 · ACS
Groton Township has cold, snowy winters and pleasant summers, with very little rain. The July high in Groton Township is 83°F.
NOAA U.S. Climate Normals, 1991–2020
Expected storm and flood damage is lower than in 62% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Groton Township beats the South Dakota average on 4 of 26 CDC measures and trails it on 2. 29% of adults sleep under 7 hours in Groton Township. Among 36 South Dakota towns, just 2 have a higher share of adults who had a checkup this year than Groton Township.
| Groton 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% |
| Yearly checkup (CDC PLACES) | 80% | 76% | 79% |
| What stands out | Groton Township | SD |
|---|---|---|
| More women getting mammograms | 82.3% | 76.6% |
| More adults seeing a dentist | 73.9% | 69.2% |
| More adults with arthritis | 30% | 25.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
3.1 miles of trail in 0 parks and preserves. Only 3 of the 33 South Dakota towns we compare have a lower trail density than Groton Township.
| Groton Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 9.2% | 3.3% | 4.3% |
| Miles of trail per square mile | 0.1 miles per square mile | 0.6 | 0.4 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Groton Township; the nearest are
About 0 of every 100 Groton Township residents are enrolled in college, against 5 across South Dakota.
Where Groton Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in South Dakota, United States
Groton is a city in southeastern Brown County, South Dakota, United States. The population was 1,380 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Groton Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.