Aurora County SD Information


Aurora County Subdivisions

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


Total Population 2,760
Daytime Population: Workers 1,338
Daytime Population: Residents 1,376
Total Daytime Population (TDP) 2,714
Ratio TDP/Total Population1 0.98
Population in Households 2,664
Population in Familes 2,200
Population in Group Qrtrs 96
Population Density2 4
Diversity Index3 22


Median Household Income $50,127
Average Household Income $62,799
Per Capita Income $26,178


Total Housing Units 1,375 (100%)
Owner Occupied HU 867 (63.1%)
Renter Occupied HU 264 (19.2%)
Vacant Housing Units 244 (17.7%)
Median Home Value $76,742
Average Home Value $119,377


Total Households 1,131
Average Household Size 2.36
Family Households 748
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 0.25% 0.27%
Households 0.36% 0.35%
Families 0.22% 0.29%
Median Household Income   1.16%
Per Capita Income   2.97%


Aurora County SD - Peer Comparisons by Rank and Percentile

The table below compares Aurora County to the other 66 counties and county equivalents 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 # 52 23rd
Population Density # 45 35th
Diversity Index # 28 59th
Median Household Income # 34 50th
Per Capita Income # 45 33rd

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