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ZIP Code 57031
Gayville, SD, Yankton County
Population
784
Land area
39.4sq mi
People per sq mi
20
City
Gayville
ZIP 57031 and nearby ZIP codes
ZIP 57031 at a glance
- ZIP 57031 (Gayville) is 66% denser than South Dakota as a whole.
- The median household income is $64,794, 14% below the South Dakota median of $75,081.
- A typical owner-occupied home is valued at $137,100 (47% below South Dakota) and median rent is $602 a month.
Local data for ZIP 57031
Counts from official public data
Housing and community stats
ZIP 57031, American Community Survey 2020-2024
Median household income
$64,794
Poverty rate
5.4%
Median home value
$137,100
Median rent
$602/mo
Homeownership
88.1%
Bachelor's or higher
13.9%
Median age
42.6
Average commute
19.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
8
ZIP Business Patterns 2023
Employees
41
$2.5M annual payroll
PPP loans
$1.1M
52 loans
Campaign donations
$231
Itemized, 2026 cycle
Environment and hazard risk
ZIP 57031, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
772
Countywide, mostly hail
Flood insurance policies
69
0.9% of homes, county
July high / Jan low
87° / 10°F
28.7 inches of rain a year
Health statistics
Share of adults in ZIP 57031, CDC PLACES estimates
Obesity
40.0%
U.S. 33.3% +6.7 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
16.1%
U.S. 12.8% +3.3 pts
Uninsured (18-64)
8.2%
U.S. 11.1% -2.9 pts
Frequently asked questions
- What city is ZIP code 57031?
- ZIP code 57031 is in Gayville, SD (Yankton County).
- What county is ZIP code 57031 in?
- ZIP code 57031 is mostly in Yankton County, South Dakota.
- How many people live in ZIP code 57031?
- About 784 people live in the 57031 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.