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The total population of Jefferson is estimated to be 631 with 305 males (48.34%) and 326 females (51.66%). There are 21 more females than males in Jefferson.
The median household income in Jefferson was $74,583 in 2021, which marked an an increase of 11,906(19%) from $62,677 in 2020. This income is 99.97% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Jefferson sees its highest median household income among householders in the age group of 45 to 64 years old, at $99,816. Overall, the median household income for the city of Jefferson stands at $74,583.
In Jefferson, the median income for all workers aged 15 years and older, regardless of work hours, was $45,095 for males and $27,637 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $63,053 for males and $44,588 for females.
In Jefferson, population is primarily represented by White households, reporting a median income of $75,394.
In 2022, the population of Jefferson was 457, a 1.51% decrease year-by-year from 2021. Previously, in 2021, Jefferson's population was 464, a decline of 1.90% compared to a population of 473 in 2020.
The median age in Jefferson, SD is 34.0, as per 2021 ACS 5-Year Estimates. Of the total population, 18.59% were under the age of 15, 25.04% aged 15 to 29, 37.93% aged 30 to 64, 17.84% aged 65 to 84, and 0.60% were 85 years of age and older.
Racial distribution of Jefferson population: 93.25% are White, 3.30% are American Indian and Alaska Native, 1.20% are some other race and 2.25% are multiracial.