Each edition grades its towns against each other only.
A town of 85, settled in 1906.
Ortley Township’s median age is 62.6 years, against 39.5 years in South Dakota’s towns and 40.5 years across U.S. towns. No town among the 36 in South Dakota we compare has a lower share of adults with a bachelor’s degree than Ortley Township. Ortley 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: 192 in 1910, 50 in 2020. The archive holds 2 maps from 1970 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Ortley 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 Ortley Township.
Summers in Ortley Township are pleasant, and winters cold, snowy. July afternoons reach 80°, January nights drop to 2° and about 59 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Of the 36 South Dakota towns we compare, none has a higher share of adults who have obesity than Ortley Township. 31% of adults get no exercise outside work locally, where South Dakota’s towns sit at 22% and U.S. towns at 25%. For adults in the town, the share who sleep under 7 hours is 33%.
| Ortley Township | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 20% | 14% | 14% |
| Diabetes (CDC PLACES) | 15% | 10% | 12% |
| Get no exercise (CDC PLACES) | 31% | 22% | 25% |
| Frequent physical distress (CDC PLACES) | 15% | 12% | 14% |
| What stands out | Ortley Township | SD |
|---|---|---|
| More adults with COPD | 9.2% | 6.7% |
| More older adults who have lost all their teeth | 17.1% | 12.7% |
| More smokers | 20.1% | 15.2% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is higher than in just over half of U.S. communities. FEMA puts 37% of Ortley Township’s expected hazard losses down to cold waves, and 28% to inland flooding.
FEMA National Risk Index · OpenFEMA
None within 15 miles of Ortley Township; the nearest are
About 0 of every 100 Ortley Township residents are enrolled in college, against 5 across South Dakota.
Town in South Dakota, United States
Ortley is a town in Roberts County, South Dakota, United States. The population was 50 according to the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Ortley Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.