Jefferson, SD Profile: Facts, Map & Data


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Jefferson, South Dakota - Basic Facts

The City of Jefferson is an incorporated place (Class Code P1) located in Union County at latitude 42.6043 and longitude -96.5661. Union County is in the Central time zone (GMT -6). The elevation is 1,115 feet.

The formal official name is the City of Jefferson, but most people and references simply refer to it as Jefferson, South Dakota.

The P1 Census Class Code for Jefferson indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

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.

Alternate Unofficial Names for Jefferson: Adelescat.

City of Jefferson, SD Boundary Map


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Boundary Maps: Union County | South Dakota Counties

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Jefferson, SD Data & Demographics (As of July 1, 2014)


Total Population 533
Population in Households 533
Population in Familes 435
Population in Group Qrtrs 0
Population Density1 1,059
Diversity Index2 8


Total Households 229
Average Household Size 2.33
Family Households 156
Average Family Size 3


Total Housing Units 249 (100%)
Owner Occupied HU 188 (75.5%)
Renter Occupied HU 41 (16.5%)
Vacant Housing Units 20 ( 8.0%)
Median Home Value $128,676
Average Home Value $158,466


Median Household Income $60,725
Average Household Income $77,879
Per Capita Income $32,578
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.61% -0.3%
Households -0.41% -0.26%
Families 1.57% -0.52%
Median Household Income   3.9%
Per Capita Income   3.45%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Jefferson, SD - Peer Comparisons by Rank and Percentile

The table below compares Jefferson to the other 390 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2014 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 # 138 65th
Population Density1 # 82 79th
Diversity Index2 # 254 35th
Median Household Income # 24 94th
Per Capita Income # 19 95th

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