ZIP code 57031: Gayville, SD
57031 is a ZIP code in Gayville, South Dakota, mainly in Yankton County, part of the Yankton, SD micro area. About 784 people live here.
- Population
- 784
- Median household income
- $64,794
- Typical home value
- $137,100ACS median value
- Median rent
- $602gross, per month
- Median age
- 42.6
- Homeowners
- 88.1%of occupied homes
Shaded: ZIP code 57031's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57031 details
| City | Gayville |
|---|---|
| State | South Dakota |
| County | Yankton County (also partly Clay County) |
| Metro area | Yankton, SD |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 39.4 sq mi, plus 1.1 sq mi of water |
| Population density | 20 people per sq mi |
| Bachelor's degree or higher | 13.9% of adults 25+ |
| Average commute | 19.1 minutes |
| Center coordinates | 42.87552, -97.18586 |
ZIP codes near 57031
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 68774 | Saint Helena, NE | 6.3 mi | 238 |
| 57072 | Volin, SD | 7.9 mi | 435 |
| 57046 | Mission Hill, SD | 8.3 mi | 521 |
| 57069 | Vermillion, SD | 10.3 mi | 13,091 |
| 68792 | Wynot, NE | 11.1 mi | 340 |
| 57073 | Wakonda, SD | 11.2 mi | 564 |
| 68736 | Fordyce, NE | 13.0 mi | 525 |
| 57078 | Yankton, SD | 13.5 mi | 20,383 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 57031?
A typical home in ZIP code 57031 is worth about $137,100 (ACS median value). The median household here earns $64,794 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $137,100 homeWhat can a $64,794 income afford?Rental property numbers
About ZIP code 57031
What city is ZIP code 57031?
ZIP code 57031 is in Gayville, SD, in Yankton County.
What county is ZIP code 57031 in?
57031 is mainly in Yankton County, South Dakota, and partly in Clay County.
What is the population of ZIP code 57031?
About 784 people live in ZIP code 57031, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57031 in?
57031 is in Central Time (UTC−6). It observes daylight saving time.