Groton, SD Profile: Facts, Map & Data


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Groton, South Dakota - Basic Facts

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The City of Groton had a population of 1,459 as of July 1, 2016.

The primary coordinate point for Groton is located at latitude 45.4517 and longitude -98.1001 in Brown County. The formal boundaries for the City of Groton (see map below) encompass a land area of 1.75 sq. miles and a water area of 0 sq. miles. Brown County is in the Central time zone (GMT -6). The elevation is 1,302 feet.

The City of Groton (GNIS ID: 1267410) 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 Groton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Groton, SD Boundary Map

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Groton, SD Data & Demographics (As of July 1, 2016)


Total Population 1,459
Population in Households 1,415
Population in Familes 1,157
Population in Group Qrtrs 44
Population Density1 833
Diversity Index2 8


Total Households 584
Average Household Size 2.42
Family Households 370
Average Family Size 3


Total Housing Units 644 (100%)
Owner Occupied HU 413 (64.1%)
Renter Occupied HU 171 (26.6%)
Vacant Housing Units 60 ( 9.3%)
Median Home Value $120,290
Average Home Value $157,790


Median Household Income $66,409
Average Household Income $81,587
Per Capita Income $32,989
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.01% 0.26%
Households 0.22% 0.41%
Families -0.13% 0.11%
Median Household Income   3.27%
Per Capita Income   2.95%
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.

Groton, SD - Peer Comparisons by Rank and Percentile

The table below compares Groton to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2016 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 # 52 87th
Population Density1 # 122 69th
Diversity Index2 # 287 26th
Median Household Income # 25 94th
Per Capita Income # 36 91st

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