Jefferson, SD Profile: Facts, Map & Data


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Jefferson, South Dakota - Basic Facts

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The City of Jefferson had a population of 526 as of July 1, 2017. Jefferson ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Jefferson is located at latitude 42.6043 and longitude -96.5661 in Union County. The formal boundaries for the City of Jefferson (see map below) encompass a land area of 0.51 sq. miles and a water area of 0 sq. miles. Union County is in the Central time zone (GMT -6). The elevation is 1,115 feet.

The City of Jefferson (GNIS ID: 1267441) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Jefferson population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Jefferson: Adelescat.

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City of Jefferson, SD Boundary Map

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Jefferson, SD Data & Demographics (As of July 1, 2017)


Total Population 526
Daytime Population: Workers 171
Daytime Population: Residents 219
Total Daytime Population (TDP) 390
Ratio TDP/Total Population1 0.74
Population in Households 526
Population in Familes 428
Population in Group Qrtrs 0
Population Density2 1,030
Diversity Index3 12


Median Household Income $60,015
Average Household Income $74,212
Per Capita Income $30,500


Total Housing Units 251 (100%)
Owner Occupied HU 186 (74.1%)
Renter Occupied HU 38 (15.1%)
Vacant Housing Units 27 (10.8%)
Median Home Value $151,471
Average Home Value $166,532


Total Households 224
Average Household Size 2.35
Family Households 152
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.54% -0.27%
Households -0.54% -0.36%
Families 0.56% -0.4%
Median Household Income   2.14%
Per Capita Income   3.07%

Jefferson, SD - Peer Comparisons by Rank and Percentile

The table below compares Jefferson to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 139 64th
Population Density # 89 77th
Diversity Index # 221 44th
Median Household Income # 63 84th
Per Capita Income # 98 75th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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