De Smet, SD 57231 ZIP Code Profile

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De Smet, SD

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ZIP Code 57231: Basic Data & USPS Preferred City Name

Preferred Name, USPS
De Smet, SD 57231

  • ZIP Code Type: STANDARD
  • County: Kingsbury County
  • Centroid: Latitude 44.387, Longitude -97.552
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 102
  • PO Box Addresses: 217
  • Residential Addresses: 515
    • Multi-Family Addresses: 35
    • Single Family Addresses: 480

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


57231 ZIP Code Map

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De Smet, SD 57231 Data & Demographics (As of July 1, 2017)


Total Population 1,603
Daytime Population: Workers 1,086
Daytime Population: Residents 735
Total Daytime Population (TDP) 1,821
Ratio TDP/Total Population1 1.14
Population in Households 1,552
Population in Familes 1,245
Population in Group Qrtrs 51
Population Density2 7
Diversity Index3 7


Median Household Income $51,312
Average Household Income $63,175
Per Capita Income $27,370


Total Housing Units 869 (100%)
Owner Occupied HU 533 (61.3%)
Renter Occupied HU 151 (17.4%)
Vacant Housing Units 185 (21.3%)
Median Home Value $88,659
Average Home Value $118,199


Total Households 684
Average Household Size 2.27
Family Households 431
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 -0.57% -1.1%
Households -0.63% -1.14%
Families -0.74% -1.24%
Median Household Income   1.61%
Per Capita Income   2.94%

De Smet, SD 57231 - Peer Comparisons by Rank and Percentile

The table below compares 57231 to the other 368 ZIP Codes 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 # 84 77th
Population Density # 149 60th
Diversity Index # 313 15th
Median Household Income # 175 53rd
Per Capita Income # 212 43rd

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

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