
St. Benedict's Catholic School · National Register of Historic Places
Roundup’s story
143 years in pictures
Census counts: 1,513 in 1910, a peak of 2,856 in 1950, 1,742 in 2020. The archive holds 12 old photos and papers going back to 1921 and a map from 1979 on.
2 places on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Roundup: who provides what
Who provides power, water and the rest in Roundup, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.