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ZIP Code 57231
De Smet, SD, Kingsbury County
Population
1,724
Land area
249.3sq mi
People per sq mi
7
City
De Smet
ZIP 57231 and nearby ZIP codes
ZIP 57231 at a glance
- ZIP 57231 (De Smet) is 42% less dense than South Dakota as a whole.
- The median household income is $78,646, 5% above the South Dakota median of $75,081.
- A typical owner-occupied home is valued at $212,200 (18% below South Dakota) and median rent is $725 a month.
Local data for ZIP 57231
Counts from official public data
Housing and community stats
ZIP 57231, American Community Survey 2020-2024
Median household income
$78,646
Poverty rate
8.8%
Median home value
$212,200
Prices +35.5% in a year
Median rent
$725/mo
Homeownership
86.7%
Bachelor's or higher
24.8%
Median age
44.2
Average commute
13.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
77
ZIP Business Patterns 2023
Employees
720
$37M annual payroll
PPP loans
$10.2M
301 loans
Campaign donations
$11.9K
3% D, 8% R, 2026 cycle
Environment and hazard risk
ZIP 57231, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: ice storm
Storm events since 1996
634
Countywide, mostly hail
Flood insurance policies
10
0.2% of homes, county
July high / Jan low
82° / 5°F
25.9 inches of rain a year
Health statistics
Share of adults in ZIP 57231, CDC PLACES estimates
Obesity
34.5%
U.S. 33.3% +1.2 pts
Diabetes
12.6%
U.S. 12.1% +0.5 pts
Smoking
13.8%
U.S. 12.8% +1.0 pts
Uninsured (18-64)
7.8%
U.S. 11.1% -3.3 pts
Frequently asked questions
- What city is ZIP code 57231?
- ZIP code 57231 is in De Smet, SD (Kingsbury County).
- What county is ZIP code 57231 in?
- ZIP code 57231 is mostly in Kingsbury County, South Dakota.
- How many people live in ZIP code 57231?
- About 1,724 people live in the 57231 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.