Davison County, South Dakota ZIP codes
3 ZIP codes are in Davison County, plus 3 that cross in from neighboring counties. It's part of the Mitchell, SD micro area.
- ZIP codes
- 3
- Population in these ZIPs
- 21,051
- Avg. median income
- $65,900population-weighted
- Cities & towns
- 3
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Davison County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57301 | Mitchell | 19,104 | $65,620 | $252,000 |
| 57334 | Ethan | 1,081 | $62,167 | $307,100 |
| 57363 | Mount Vernon | 866 | $77,841 | $287,600 |
ZIP codes partly in Davison County
These ZIP codes are mostly in a neighboring county but cover part of Davison County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 57331 | Dimock | Hutchinson County | 231 | $101,406 | $292,500 |
| 57359 | Letcher | Sanborn County | 652 | $106,818 | $166,800 |
| 57375 | Stickney | Aurora County | 573 | $70,250 | $151,300 |
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
Cities and towns in Davison County
Nearby counties
Frequently asked questions
How many ZIP codes are in Davison County, South Dakota?
3 ZIP codes are mainly in Davison County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Davison County?
ZIP codes in Davison County use the city names Ethan, Mitchell and Mount Vernon.
What metro area is Davison County in?
Davison County is part of the Mitchell, SD micropolitan statistical area.