Charles Mix County SD Information


Charles Mix County Subdivisions

Charles Mix County SD Data & Demographics (As of July 1, 2021)


Total Population 9,024 (100%)
Population in Households 8,435 (93.5%)
Population in Families 7,024 (77.8%)
Population in Group Quarters1 589 ( 6.5%)
Population Density 8
Diversity Index2 55


Median Household Income $52,626
Average Household Income $66,531
% of Income for Mortgage4 12%
Per Capita Income $23,899
Wealth Index5 60


Total HU (Housing Units) 3,868 (100%)
Owner Occupied HU 2,343 (60.6%)
Renter Occupied HU 888 (23.0%)
Vacant Housing Units 637 (16.5%)
Median Home Value $155,318
Average Home Value $196,095
Housing Affordability Index3 177


Total Households 3,231
Average Household Size 2.61
Family Households 2,155
Average Family Size 3
  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.


2010-2021 2021-2026
Population -0.1% 0.04%
Households -0.05% 0.09%
Families -0.27% -0.06%
Median Household Income   1.29%
Per Capita Income   2.1%
Owner Occupied HU   0.35%


Charles Mix County SD - Peer Comparisons by Rank and Percentile

The table below compares Charles Mix County to the other 66 counties and county equivalents in South Dakota by rank and percentile using July 1, 2021 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 # 21 70th
Population Density # 24 65th
Median Household Income # 49 27th
Housing Affordability Index # 19 29th
Per Capita Income # 57 15th
Diversity Index # 5 94th

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