
Jefferson Township in pictures
Census counts: 90 in 1880, 475 in 2020. The archive holds 2 old photos and papers going back to 2004 and 3 maps from 1899 on.
Explore the history →Each edition grades its towns against each other only.
A town of 97.
Jefferson Township’s average trip to work is 36 minutes, where South Dakota’s towns sit at 17 minutes and U.S. towns at 25 minutes. Among 36 South Dakota towns, just 3 have a higher median household income than Jefferson Township. 12% of the land in Jefferson Township is conserved, where South Dakota’s towns sit at 3.3% and U.S. towns at 4.3%. 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 1899 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.
Most working residents leave Jefferson Township for work: only 0% work in town. The top destinations are Sioux Falls (26%), Bridgewater (10%) and Emery (6%). Half commute less than 32 miles.
Census LEHD 2023 · ACS
Jefferson Township has cold, snowy winters and warm summers. July afternoons reach 85°, January nights drop to 8° and about 36 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
3.0 miles of trail in 0 parks and preserves. Only 3 of the 33 South Dakota towns we compare have a lower trail density than Jefferson Township.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Jefferson Township beats the South Dakota average on 2 of 26 CDC measures and trails it on 3. 29% of Jefferson Township adults sleep under 7 hours.
| Jefferson 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% |
| High blood pressure (CDC PLACES) | 36% | 31% | 35% |
| What stands out | Jefferson Township | SD |
|---|---|---|
| More adults treating high blood pressure | 79.8% | 75.9% |
| More adults getting cholesterol checked | 87.5% | 84.8% |
| More adults who have had cancer | 11.2% | 9.2% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is higher than in 55% of U.S. communities.
FEMA National Risk Index · OpenFEMA
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.
Where Jefferson Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
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.