Elkton, SD Profile: Facts, Map & Data


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Elkton, South Dakota - Basic Facts

The City of Elkton had a population of 741 as of July 1, 2017. Elkton ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Elkton is located at latitude 44.2353 and longitude -96.4792 in Brookings County. The formal boundaries for the City of Elkton (see map below) encompass a land area of 1.55 sq. miles and a water area of 0 sq. miles. Brookings County is in the Central time zone (GMT -6). The elevation is 1,752 feet.

The City of Elkton (GNIS ID: 1267379) 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 Elkton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Elkton, SD Boundary Map

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


Total Population 741
Daytime Population: Workers 421
Daytime Population: Residents 307
Total Daytime Population (TDP) 728
Ratio TDP/Total Population1 0.98
Population in Households 677
Population in Familes 558
Population in Group Qrtrs 64
Population Density2 479
Diversity Index3 47


Median Household Income $58,616
Average Household Income $64,149
Per Capita Income $23,872


Total Housing Units 333 (100%)
Owner Occupied HU 215 (64.6%)
Renter Occupied HU 77 (23.1%)
Vacant Housing Units 41 (12.3%)
Median Home Value $88,415
Average Home Value $132,176


Total Households 292
Average Household Size 2.32
Family Households 199
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 0.09% 0.3%
Households 0.29% 0.47%
Families 0.64% 0.3%
Median Household Income   1.87%
Per Capita Income   2.29%

Elkton, SD - Peer Comparisons by Rank and Percentile

The table below compares Elkton 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 # 102 74th
Population Density # 192 51st
Diversity Index # 34 92nd
Median Household Income # 84 79th
Per Capita Income # 295 25th

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

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