Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/SD/COUNTY/DAVISON

Davison County, SD ZIP codes

Davison County, SD has 3 ZIP codes, in 3 towns: 57301, 57363 and 57334.

The county seat is Mitchell.

ZIP codes
3
Towns
3
County seat
Mitchell
County FIPS
46035
Population
19,952
Median household income
$66,208
Land area
436 sq mi
Area code
605
Metro area
Mitchell

Davison County ZIP codes by town

Mitchell (county seat)
57301

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Davison County ZIP codes

573015733457363

The ZIP codes of Davison County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Davison County in numbers

About 19,952 people live in Davison County, in 8,899 households, the 10th most populous of South Dakota's 66 counties. The median household income is $66,208 a year, 12% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $205,800 (20% below the South Dakota median), and median gross rent is $847 a month. The median age is 39.6; 22.6% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 14 minutes.

Population19,952Davison19,952
Households8,899Davison8,899
Median age39.6Davison39.6South Dakota38.0US 38.9
Median household income$66,208Davison$66,208South Dakota$75,081US $80,734
Median home value$205,800Davison$205,800South Dakota$257,400US $332,700
Median gross rent$847Davison$847South Dakota$946US $1,413
Bachelor's degree or higher22.6%Davison22.6%South Dakota31.9%US 35.7%
Mean commute14.1 minDavison14.1 minSouth Dakota17.8 minUS 26.4 min
Population density46 / sq miDavison46 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Davison County

Largest towns in Davison County
TownZIP codesPopulation
Mitchell 1 15,649
Mount Vernon 1 442
Ethan 1 346

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Davison County.

Not sure you are in Davison County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Davison County, with figures

ZIP codes in Davison County
ZIP City Type Population Median income Median home
57301 Mitchell , SD Standard 19,104 $65,620 $208,200
57334 Ethan , SD Standard 1,081 $62,167 $206,500
57363 Mount Vernon , SD Standard 866 $77,841 $203,300

Cite this page

zipcodes.pro. “Davison County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/sd/county/davison

Underlying data is public domain or openly licensed — sources, vintages and licences.