Geographic reference
Allen CDP, South Dakota
Allen CDP is a Census place in South Dakota.
Reference details
- State
- South Dakota (SD)
- Census GEOID
- 4600900
- Land area
- 8.402 km²
- Water area
- 0 km²
- Representative point
- 43.279136, -101.92651
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.