Jefferson, South Dakota
Jefferson is a city in Union County, South Dakota, with an estimated population of 448 in 2023. It sits at 42.6043, -96.5661 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Jefferson |
| Type | city |
| State | South Dakota (SD) |
| County | Union County |
| Population (2023 est.) | 448 |
| Land area | 0.51 sq mi (1.32 km²) |
| Coordinates | 42.6043, -96.5661 |
| Time zone | America/Chicago |
| ZIP codes | 57038 |
ZIP codes and area codes for Jefferson
Jefferson covers 1 ZIP code: 57038. Browse all ZIP codes in South Dakota for the full list.
Where is Jefferson?
Jefferson is located in South Dakota, in Union County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
North Sioux City 10 km · SDPonca 13 km · NEElk Point 13 km · SDSioux City 19 km · IASouth Sioux City 20 km · NEHinton 22 km · IADakota City 24 km · NEAkron 25 km · IA
Other places in Union County
Frequently asked questions
What county is Jefferson, SD in?
Jefferson is in Union County, South Dakota.
What is the population of Jefferson, SD?
The 2023 Census Bureau estimate is 448.
What time zone is Jefferson in?
Jefferson is in the America/Chicago time zone.