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Data updated 2026-10-07

ZIP Code 57231 · De Smet, SD

Kingsbury County · pop 1,724 · ACS 2020–2024

The median household income in ZIP Code 57231 (De Smet, SD) is $78,646, higher than 61% of the other ZIP Codes in South Dakota.

Its FHFA home price index changed +50.0% over the five years to 2022.

01 — Where it stands

$78,646
Median household income
± $13,703 MOE
$212,200
Median home value
± $62,322 MOE
$725
Median gross rent
8.8%
Poverty rate
Percentiles for ZIP Code 57231 within Kingsbury County, South Dakota and the U.S.
MeasureValueCounty percentileState percentileU.S. percentile
Median household income$78,646 ± $13,703— (fewer than 5 ZIP Codes)61st percentile (140 ZIP Codes compared)57th percentile (22,922 ZIP Codes compared)
Per capita income$41,058— (fewer than 5 ZIP Codes)69th percentile (140 ZIP Codes compared)60th percentile (22,922 ZIP Codes compared)
Poverty rate8.8%— (fewer than 5 ZIP Codes)45th percentile (140 ZIP Codes compared)37th percentile (22,922 ZIP Codes compared)
Adults with a bachelor’s degree or higher24.8%— (fewer than 5 ZIP Codes)42nd percentile (140 ZIP Codes compared)48th percentile (22,922 ZIP Codes compared)
Owner-occupied homes86.7%— (fewer than 5 ZIP Codes)90th percentile (140 ZIP Codes compared)81st percentile (22,922 ZIP Codes compared)
Housing vacancy rate17.8%— (fewer than 5 ZIP Codes)76th percentile (140 ZIP Codes compared)78th percentile (22,922 ZIP Codes compared)
Median home value$212,200 ± $62,322— (fewer than 5 ZIP Codes)48th percentile (136 ZIP Codes compared)40th percentile (22,833 ZIP Codes compared)
Median gross rent$725— (fewer than 5 ZIP Codes)28th percentile (140 ZIP Codes compared)11th percentile (22,865 ZIP Codes compared)
Income inequality (Gini index)0.394— (fewer than 5 ZIP Codes)27th percentile (140 ZIP Codes compared)24th percentile (22,922 ZIP Codes compared)
Average adjusted gross income per return$76,365— (fewer than 5 ZIP Codes)41st percentile (137 ZIP Codes compared)60th percentile (22,230 ZIP Codes compared)
Returns with AGI of $200,000 or more6.2%— (fewer than 5 ZIP Codes)62nd percentile (137 ZIP Codes compared)68th percentile (22,230 ZIP Codes compared)
Home price index, 5-year change+50.0%— (fewer than 5 ZIP Codes)45th percentile (95 ZIP Codes compared)45th percentile (18,843 ZIP Codes compared)
Business establishments per 1,000 residents44.7— (fewer than 5 ZIP Codes)88th percentile (138 ZIP Codes compared)93rd percentile (22,700 ZIP Codes compared)
Average annual pay per employee$51,415— (fewer than 5 ZIP Codes)70th percentile (137 ZIP Codes compared)59th percentile (22,551 ZIP Codes compared)

— = fewer than 5 ZIP Codes in the group.

Percentile groups: Kingsbury County · South Dakota · U.S. Hover a percentile for the number of ZIP Codes compared. MOE = 90% margin of error.

02 — Home prices

+35.5%
1-year change
2021–2022
+50.0%
5-year change
2017–2022
—
10-year change
2012–2022

Home price index — ZIP Code 57231

Home price index, ZIP Code 57231, 2003–2022Line chart of the annual home price index: 100.0 in 2003 and 354.4 in 2022. Every value is listed in the data table below the chart.10020030040020032005201020152022354.4

FHFA ZIP Code index (2003 = 100) — annual, developmental, not seasonally adjusted.

Data table
Home price index by year, ZIP Code 57231
YearIndexAnnual change
2003100.0—
2005107.2—
2006113.7+6.1%
2007114.8+1.0%
2008134.2+16.8%
2009140.8+5.0%
2010134.7−4.3%
2011153.3+13.8%
2013173.2—
2015191.8—
2016189.9−1.0%
2017236.2+24.4%
2018186.1−21.2%
2020253.4+36.2%
2021261.5+3.2%
2022354.4+35.5%

03 — Nearby ZIP Codes

ZIP Code 57231 and nearby ZIP Codes
ZIPPlaceDistanceMedian household incomeMedian home valuePoverty rate5-yr HPI change
57231De Smet, SDthis ZIP Code$78,646$212,2008.8%+50.0%
57249Lake Preston, SD10.5 mi$63,182$193,30014.5%+89.0%
57353Iroquois, SD12.5 mi$75,625$139,3006.5%—
57233Erwin, SD12.9 mi$82,917$172,1640.0%+88.6%
57051Oldham, SD15.8 mi$56,250$112,5008.0%+88.6%
57323Carthage, SD16.1 mi$51,250$70,00016.7%+19.2%
57221Bryant, SD17.5 mi$73,988$227,10016.9%+73.0%

Up to six nearest ZIP Code Tabulation Areas within 30 miles, by straight-line distance between Census center points (2024 Gazetteer).

04 — Business mix

77
Establishments
720
Employees
$37.0M
Annual payroll
$51,415
Average pay per employee
Establishments by sector, ZIP Code 57231
SectorEstablishmentsShare of ZIPU.S. shareRelative concentration
Retail trade1418.2%12.4%1.5×
Construction1114.3%9.6%1.5×
Other services1013.0%9.5%1.4×
Health care & social assistance911.7%11.9%1.0×
Finance & insurance79.1%5.5%1.7×
Manufacturing67.8%3.3%2.4×
Arts, entertainment & recreation45.2%1.9%2.8×
Wholesale trade33.9%4.4%0.9×
Transportation & warehousing33.9%3.3%1.2×
Accommodation & food services33.9%9.3%0.4×

Counts are establishments (business locations), not jobs. Relative concentration = the sector’s share of establishments here divided by its share in the U.S. (1.0× = the same share). Average pay is shown only where at least 20 employees are reported. ZIP Code Business Patterns 2023.

05 — About this data

How percentiles are calculated

Percentiles compare this ZIP Code with other ZIP Codes in the same county, the same state and the whole country. Only ZIP Codes with their own American Community Survey estimate, a population of at least 1,000 and a published median household income are compared, and only those with a value for the measure. A percentile of 64th means the value is higher than 64% of the other ZIP Codes in that group (0 is the lowest value, 100 the highest); it describes the size of a number, not a judgment about the area. County and state percentiles are left blank when the group has fewer than 5 ZIP Codes. The number of ZIP Codes compared is shown with each percentile.

Census figures are published for ZIP Code Tabulation Areas, which approximate USPS ZIP Code delivery areas; values shown as — are not published or are suppressed by the source.

Use of this page

Area statistics only. These figures describe a ZIP Code area — not any person or household — and do not rate the area or the people who live there. CoverFi is not a consumer reporting agency; do not use this page to make decisions about credit, insurance, employment or housing.

Sources

  1. U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ZIP Code Tabulation Areas. Estimates are survey-based and have margins of error.
  2. U.S. Census Bureau, ZIP Code Business Patterns 2023 (establishment counts by NAICS sector; employment and payroll totals).
  3. Federal Housing Finance Agency, House Price Index for five-digit ZIP Codes, census tracts and counties — annual, developmental, not seasonally adjusted.
  4. IRS Statistics of Income, Individual Income Tax ZIP Code Data, tax year 2022.
  5. U.S. Census Bureau, 2024 Gazetteer Files (ZCTA locations, used for nearby ZIP Codes).
  6. HUD USPS ZIP Code Crosswalk Files (ZIP-to-tract and ZIP-to-county assignment).

This product uses Census Bureau data but is not endorsed or certified by the Census Bureau. This product uses the HUD User Data API but is not endorsed or certified by HUD User. ZIP Code Tabulation Areas are Census approximations of USPS ZIP Code delivery areas and may not match them exactly. ZIP Code is a trademark of the United States Postal Service.