132 years in pictures
Census counts: 144 in 1930, a peak of 182 in 1940, 65 in 2020. The archive holds 12 old photos and papers going back to 1913 and 3 maps from 1950 on.
- 1894Interior is settled
Each edition grades its towns against each other only.

A town of 63, settled in 1894.
The biggest park or preserve is Buffalo Gap National Grassland, at 40 acres. Interior 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: 144 in 1930, a peak of 182 in 1940, 65 in 2020. The archive holds 12 old photos and papers going back to 1913 and 3 maps from 1950 on.
Museums, parks, gardens and other places to visit around Interior. Close and well known come first.
Big drawin town National ParkBadlands National Park1.1M visitors a year
9 mi National Historic SiteMinuteman Missile National Historic Site102K visitors a yearBadlands National Park: Martin Kraft, CC BY-SA 3.0 · Minuteman Missile National Historic Site: Spencer, CC BY-SA 3.0
Who provides power, water and the rest in Interior, 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 Interior.
Summers in Interior are warm, and winters cold, snowy, with very little rain. July afternoons reach 90°, January nights drop to 12° and about 38 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
The Kadoka Area School District 35-2 runs its public schools. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Interior Elementary - 09Largest public elementary schoolGrades K–8 | Grades K–8 | 15 | – |
NCES · EDFacts
Of the 36 South Dakota towns we compare, none has a higher share of adults who report frequent physical distress than Interior, and on top of that just over a fifth of adults report frequent mental distress here. Also worth knowing: in Interior, 29% of adults smoke cigarettes, against 14% in South Dakota’s towns and 14% across U.S. towns. This South Dakota town does better than the South Dakota average on 1 of 26 CDC measures and worse on 17.
| Interior | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Fair or poor health (CDC PLACES) | 31% | 16% | 19% |
| Smoke cigarettes (CDC PLACES) | 29% | 14% | 14% |
| Diabetes (CDC PLACES) | 19% | 10% | 12% |
| Frequent physical distress (CDC PLACES) | 19% | 12% | 14% |
| What stands out | Interior | SD |
|---|---|---|
| Fewer adults who have had cancer | 8% | 9.2% |
| More older adults who have lost all their teeth | 25.7% | 12.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
One declared disaster, in 2019, has brought federal aid to Interior households. Compared with 60% of U.S. communities, expected storm and flood damage here is higher. FEMA puts 45% of the town’s expected hazard losses down to inland flooding, and 17% to cold waves.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Buffalo Gap National Grassland | — | 40 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Interior; the nearest are
About 0 of every 100 Interior residents are enrolled in college, against 5 across South Dakota.
Town in South Dakota, United States
Interior (Lakota: makȟóšiča otȟúŋwahe; "Badlands village") is a town in Jackson County, South Dakota, United States. The population was 65 at the 2020 census. Interior got its start in 1907 when the Milwaukee Railroad was extended to that point.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Interior has fewer than 1,000 residents, too few for fair grades; the figures below are still real.