Plankinton, SD Profile: Facts & Data


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Plankinton, South Dakota - Basic Facts

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The City of Plankinton had a population of 780 as of July 1, 2022. Plankinton ranks in the upper 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 Plankinton is located at latitude 43.7155 and longitude -98.4851 in Aurora County. The formal boundaries for the City of Plankinton encompass a land area of 0.75 sq. miles and a water area of 0 sq. miles. Aurora County is in the Central time zone (GMT -6). The elevation is 1,526 feet.

The City of Plankinton 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.

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  1. Plankinton 2022 Demographic Data
  2. Growth Rates for Plankinton (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2022 Demographics

Plankinton, SD Data & Demographics (As of July 1, 2022)


Total Population 780 (100%)
Population in Households 735 (94.2%)
Population in Families 596 (76.4%)
Population in Group Quarters1 45 ( 5.8%)
Population Density 1,022
Diversity Index2 58


Median Household Income $75,274
Average Household Income $91,448
% of Income for Mortgage4 9%
Per Capita Income $34,447
Wealth Index5 77


Total HU (Housing Units) 335 (100%)
Owner Occupied HU 218 (65.1%)
Renter Occupied HU 92 (27.5%)
Vacant Housing Units 25 ( 7.5%)
Median Home Value $131,633
Average Home Value $149,312
Housing Affordability Index3 246


Total Households 310
Average Household Size 2.37
Family Households 198
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population -0.06% -0.08%
Households -0.14% -0.06%
Families   -0.20%
Median Household Income   2.42%
Per Capita Income   2.57%
Owner Occupied HU   0.27%

Plankinton, SD - Peer Comparisons by Rank and Percentile

The table below compares Plankinton to the other 486 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2022 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 # 96 80th
Population Density # 87 82nd
Median Household Income # 134 73rd
Housing Affordability Index # 431 89th
Per Capita Income # 231 53rd
Diversity Index # 13 98th

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

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