Quinn, SD

View of Quinn, SD
Image credit: Jonathunder / CC BY-SA 4.0
Population
61
U.S. Census Population Estimates Program · 2025
Elevation
2,612 ft
Median Income
$79,000
U.S. Census American Community Survey 5-Year · 2024

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Quinn in context.

About Quinn

Quinn is a town on U.S. Route 14 in Pennington County, South Dakota, United States. The 2020 census counted 63 residents. The town is the home of the Badlands Observatory, located in the former community hospital. Quinn was laid out in 1907. That mix gives Quinn a clear local shape within South Dakota, with older layers still visible in current places. The local scoop is a place whose streets, landmarks, and institutions keep its earlier story close to the present. The town was named for Michael Quinn, a local rancher.

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