Jefferson
Jefferson has roughly average household income, with a median household income of $82,888. Population has declined 5% since 2000. Median home value has more than doubled since 2000, reaching $179,400. Poverty is rare here, at 4.9% of residents.
Population & growth
PEP 2025 EST:448 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
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How many people live in Jefferson, South Dakota?
Jefferson, South Dakota has about 554 residents according to the 2024 American Community Survey.
What is the median household income in Jefferson, South Dakota?
The typical household in Jefferson, South Dakota earns about $82,888 a year. Half of households make more than that, and half make less.
Is Jefferson, South Dakota expensive?
In Jefferson, South Dakota, the median home is worth about $179,400.
How educated are people in Jefferson, South Dakota?
About 23.2% of adults age 25 and over in Jefferson, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Jefferson, South Dakota?
About 4.9% of people in Jefferson, South Dakota live below the federal poverty line.
Has Jefferson, South Dakota grown since 1990?
Yes, Jefferson, South Dakota has grown since 1990. The population has added about 45 residents, a change of about 9 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024