Each edition grades its towns against each other only.
154 people live in this town, laid out in 1886.
Delmont’s midpoint age is 61.2 years, above both the South Dakota town median (39.5 years) and the median of U.S. towns (40.5 years). No town among the 36 in South Dakota we compare has a lower share of adults with a bachelor’s degree than Delmont. Its National Register listings include Delmont Public School and Delmont Pumphouse. Delmont has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Delmont beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 369 in 1910, a peak of 518 in 1920, 153 in 2020. The archive holds 16 old photos and papers going back to 1902 and 2 maps from 1979 on.
5 places on the National Register of Historic Places.
Who provides power, water and the rest in Delmont, 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 Delmont.
Only one of the 36 South Dakota towns we compare has a higher typical journey to work than Delmont. Among residents here, 18% live below the poverty line. Half of commuters travel less than 17 miles. The top destinations are Corsica (21%), Armour (13%) and Parkston (8%).
| Delmont | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 18% | 9.5% | 9.6% |
| Median household income | $42,000 | $72,000 | $80,000 |
| Average trip to work | 26 minutes | 17 minutes | 25 minutes |
Census LEHD 2023 · ACS
In Delmont, the typical July afternoon high is 87°F.
NOAA U.S. Climate Normals, 1991–2020
Compared with 65% of U.S. communities, expected storm and flood damage in Delmont is lower. FEMA puts 32% of the town’s expected hazard losses down to cold waves, and 28% to inland flooding. Households here have drawn federal disaster aid in 2 declared disasters, most recently in 2019.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Of the 36 South Dakota towns we compare, none has a higher share of adults who have high blood pressure than Delmont. For adults here, the share who have been diagnosed with depression is 20%. This South Dakota town beats the South Dakota average on 5 of 26 CDC measures and trails it on 9.
| Delmont | South Dakota towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 45% | 31% | 35% |
| Diabetes (CDC PLACES) | 17% | 10% | 12% |
| Binge drink (CDC PLACES) | 15% | 19% | 16% |
| Frequent physical distress (CDC PLACES) | 16% | 12% | 14% |
| What stands out | Delmont | SD |
|---|---|---|
| Fewer binge drinkers | 14.8% | 18.8% |
| More adults treating high blood pressure | 82.5% | 75.9% |
| More adults with COPD | 10.5% | 6.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Delmont; the nearest are
About 2 of every 100 Delmont residents are enrolled in college, against 5 across South Dakota.
Where Delmont’s working residents go each day. Line width shows the share.
Census LEHD 2023
5 places in Delmont on the National Register of Historic Places.
City in South Dakota, United States
Delmont is a city in southeastern Douglas County, South Dakota, United States. The population was 153 at the 2020 census. Delmont was laid out in 1886. The Onion House, named for his onion shaped metallic dome and located in Delmont, is listed on the list of National Register of Historic Places since 1987. Also included on the same historic marker is Bluebird Locker, a local business in Delmont known for its “Delmont Sausage” but also serves as a butchery for other types of meats.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Delmont has fewer than 1,000 residents, too few for fair grades; the figures below are still real. 154 people live in this town, laid out in 1886.
