Ontario TownshipSD
A town of 25.
Is Ontario Township a good place to live?
30% of residents live below the poverty line in Ontario Township, where South Dakota’s towns sit at 9.5% and U.S. towns at 9.6%. Of the 36 South Dakota towns we compare, none has a higher share of households owning their home than Ontario Township. 24% of the land in Ontario Township is conserved, above both the South Dakota town median (3.3%) and the median of U.S. towns (4.3%). Ontario Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
25 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Ontario Township: who provides what
Who provides power, water and the rest in Ontario 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 Ontario Township.
24.3% of Ontario Township is conserved land
3.8 miles of trail in 0 parks and preserves. Only 3 of the 33 South Dakota towns we compare have a lower trail density than Ontario Township.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Snowy winters and pleasant summers in Ontario Township
Ontario Township has cold, snowy winters and warm summers, with very little rain. July afternoons reach 85°, January nights drop to 6° and about 44 inches of snow falls in a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
Cold waves leads a high hazard risk in Ontario Township
Expected storm and flood damage is higher than in 62% of U.S. communities.
FEMA National Risk Index · OpenFEMA
How healthy Ontario Township is
Ontario Township beats the South Dakota average on 4 of 26 CDC measures and trails it on 5. 14% of Ontario Township adults report frequent mental distress. Only 2 of the 36 South Dakota towns we compare have a lower share of adults who have been diagnosed with depression than Ontario Township.
| Ontario Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Frequent mental distress (CDC PLACES) | 14% | 15% | 17% |
| Depression (CDC PLACES) | 20% | 22% | 23% |
| High blood pressure (CDC PLACES) | 36% | 31% | 35% |
| Diabetes (CDC PLACES) | 13% | 10% | 12% |
| What stands out | Ontario Township | SD |
|---|---|---|
| Fewer older adults who have lost all their teeth | 7.8% | 12.7% |
| More adults screened for colon cancer | 70.3% | 65.5% |
| More adults with heart disease | 8.5% | 6.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Everything we know about Ontario Township
Colleges nearby
None within 15 miles of Ontario Township; the nearest are
About 0 of every 100 Ontario Township residents are enrolled in college, against 5 across South Dakota.
Questions about Ontario Township
Short answers, built from the data on this page.
Is Ontario Township, SD a good place to live?
Ontario Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.