Castlewood, SD Profile: Facts, Map & Data


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Castlewood, South Dakota - Basic Facts

The City of Castlewood is an incorporated place (Class Code P1) located in Hamlin County at latitude 44.7242 and longitude -97.0309. Hamlin County is in the Central time zone (GMT -6). The elevation is 1,686 feet.

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

The P1 Census Class Code for Castlewood 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 Castlewood (see map below) encompass a land area of 1.15 sq. miles and a water area of 0 sq. miles.

Alternate Unofficial Names for Castlewood: Keaton.

City of Castlewood, SD Boundary Map


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Boundary Maps: Hamlin County | South Dakota Counties

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


Total Population 651
Population in Households 623
Population in Familes 530
Population in Group Qrtrs 28
Population Density1 566
Diversity Index2 13


Total Households 269
Average Household Size 2.32
Family Households 186
Average Family Size 3


Total Housing Units 301 (100%)
Owner Occupied HU 218 (72.4%)
Renter Occupied HU 51 (16.9%)
Vacant Housing Units 32 (10.6%)
Median Home Value $103,788
Average Home Value $161,758


Median Household Income $55,877
Average Household Income $71,819
Per Capita Income $26,264
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.89% 0.96%
Households 0.8% 0.88%
Families 3.91% 0.74%
Median Household Income   3.22%
Per Capita Income   2.48%
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.


Castlewood, SD - Peer Comparisons by Rank and Percentile

The table below compares Castlewood 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 # 115 71st
Population Density1 # 178 55th
Diversity Index2 # 173 56th
Median Household Income # 72 82nd
Per Capita Income # 170 57th

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