Lake County SD Information


Lake County Subdivisions

Lake County SD Data & Demographics (As of July 1, 2018)


Total Population 11,940
Population in Households 11,066
Population in Familes 8,630
Population in Group Qrtrs 874
Population Density1 21
Diversity Index2 15


Median Household Income $52,702
Average Household Income $68,844
Per Capita Income $28,749


Total Housing Units 5,950 (100%)
Owner Occupied HU 3,617 (60.8%)
Renter Occupied HU 1,207 (20.3%)
Vacant Housing Units 1,126 (18.9%)
Median Home Value $149,004
Average Home Value $191,526


Total Households 4,824
Average Household Size 2.29
Family Households 2,974
Average Family Size 3
  1. Population Density = Total Population per square mile.
  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 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.


2010-2017 2017-2022
Population 0.78% 1.0%
Households 0.89% 1.11%
Families 0.67% 0.98%
Median Household Income   1.12%
Per Capita Income   1.75%


Lake County SD - Peer Comparisons by Rank and Percentile

The table below compares Lake County to the other 66 counties and county equivalents in South Dakota by rank and percentile using July 1, 2018 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 # 16 77th
Population Density # 13 82nd
Diversity Index # 45 35th
Median Household Income # 24 65th
Per Capita Income # 35 48th

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