Each edition grades its towns against each other only.
A town of 50.
Jefferson 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: 90 in 1880, 475 in 2020. The archive holds 2 old photos and papers going back to 2004 and 3 maps from 1895 on.
Explore the history →Who provides power, water and the rest in Jefferson 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 Jefferson Township.
Expected damage from storms and floods is lower here than in 70% of U.S. communities. 43% of Jefferson Township’s expected losses from natural hazards come from inland flooding, followed by cold waves at 27%.
FEMA National Risk Index · OpenFEMA
Summer afternoons peak near 84° in July, and January nights bottom out around 4°; snowfall runs to about 43 inches a winter. Jefferson Township brings cold, snowy winters and warm summers, with very little rain.
NOAA U.S. Climate Normals, 1991–2020
In Jefferson Township, 30% of adults sleep under 7 hours. Against the South Dakota average, Jefferson Township comes out ahead on 2 CDC measures out of 26, and behind on 3. Jefferson Township: 13% of adults have diabetes, against 10% in South Dakota’s towns and 12% across U.S. towns. Only 3 of the 36 South Dakota towns we compare have a higher share of adults who had a checkup this year than Jefferson Township.
| Jefferson Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Frequent mental distress (CDC PLACES) | 14% | 15% | 17% |
| High blood pressure (CDC PLACES) | 37% | 31% | 35% |
| Diabetes (CDC PLACES) | 13% | 10% | 12% |
| Sleep under 7 hours (CDC PLACES) | 30% | 30% | 36% |
| What stands out | Jefferson Township | SD |
|---|---|---|
| More adults treating high blood pressure | 80.2% | 75.9% |
| More adults getting cholesterol checked | 87.8% | 84.8% |
| More adults who have had cancer | 11.3% | 9.2% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
10 miles of trail. The density of trails for Jefferson Township comes to 0.2 miles per square mile, where South Dakota’s towns sit at 0.6 and U.S. towns at 0.4.
| Jefferson Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.2 miles per square mile | 0.6 | 0.4 |
| Conserved land | 1.5% | 3.3% | 4.3% |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Jefferson Township; the nearest are
About 0 of every 100 Jefferson Township residents are enrolled in college, against 5 across South Dakota.
Short answers, built from the data on this page.
Jefferson Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.