HomeSouth Dakota › Jefferson

Jefferson, South Dakota

City · Population 449 · #127 in South Dakota
Jefferson, South Dakota

Jefferson is a city in Union County, South Dakota, United States. The population was 475 at the 2020 census.

Photo & intro: Wikipedia

About Jefferson

Set in the southeastern part of South Dakota, Jefferson is a tiny community, home to 449 residents as of the latest Census estimates.

Jefferson holds the status of an incorporated city with its own municipal government. The community covers 0.51 square miles, giving it a balanced suburban layout with room to breathe at roughly 880 residents per square mile.

What Makes Jefferson Unique

  • One of 17 places in the US named Jefferson — but the South Dakota one has a character all its own.
  • Positioned in southeastern South Dakota, convenient to the region's corridors and crossings.
  • Part of the fabric of South Dakota — one of 485 recognized communities statewide.

Why People Love It Here

  • Small-town pace of life: less traffic, more community, and neighbors who wave.
  • Cost of living typically runs below the big-metro average.
  • Well connected: 3+ neighboring communities within 8 miles.

🏞️ Parks & Outdoors in Jefferson

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

⚡ Quick Facts

TypeCity
Population (2024)449
Rank in state#127 of 310
Land area0.51 sq mi
Density880/sq mi
Coordinates42.6043, -96.5661

🗺️ Map of Jefferson