Jefferson
A city in Union County, South Dakota — population 515 as of 2020.
This Afternoon
86°F
Sunny
Tonight
57°F
Partly Cloudy then Patchy Fog
Sunday
85°F
Patchy Fog then Sunny1% precip
Sunday Night
63°F
Mostly Clear
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Jefferson by the numbers
Population
515Population figure, 2020
Households & income
- Area
- 0.51 sq mi (1.32 km²)
- Median age
- 40.6
- Households
- 255
- Persons per household
- 2.2
- Median household income
- $82,888
- Median house value
- $179,400
Municipal office
- Office
- MAYOR
- Address
- PO BOX 276, JEFFERSON, SD 57038