Erwin, SD Profile: Facts, Map & Data

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Erwin, South Dakota - Basic Facts

The Town of Erwin had a population of 46 as of July 1, 2017. Erwin ranks in the lower quartile for Population Density and 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 Erwin is located at latitude 44.488 and longitude -97.4409 in Kingsbury County. The formal boundaries for the Town of Erwin (see map below) encompass a land area of 0.48 sq. miles and a water area of 0 sq. miles. Kingsbury County is in the Central time zone (GMT -6). The elevation is 1,873 feet.

The Town of Erwin (GNIS ID: 1267381) 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 Erwin 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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Town of Erwin, SD Boundary Map



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Boundary Maps: Kingsbury County | South Dakota Counties

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

POPULATION

Total Population 46
Population in Households 46
Population in Familes 37
Population in Group Qrtrs 0
Population Density1 97
Diversity Index2 8
 

HOUSEHOLDS

Total Households 22
Average Household Size 2.09
Family Households 15
Average Family Size 2

HOUSING

Total Housing Units 31 (100%)
Owner Occupied HU 18 (58.1%)
Renter Occupied HU 4 (12.9%)
Vacant Housing Units 9 (29.0%)
Median Home Value $85,000
Average Home Value $111,765
 

INCOME

Median Household Income $59,546
Average Household Income $82,494
Per Capita Income $35,595
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population 0.3% -0.44%
Households 0.0% 0.0%
Families 0.0% 0.0%
Median Household Income   0.68%
Per Capita Income   3.94%
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.

Erwin, SD - Peer Comparisons by Rank and Percentile

The table below compares Erwin 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 # 344 12th
Population Density1 # 329 16th
Diversity Index2 # 299 24th
Median Household Income # 69 83rd
Per Capita Income # 25 94th

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

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