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

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zipcodes.pro — STATE/SD/COUNTY/CLAY

Clay County, SD ZIP codes

Clay County, SD has 3 ZIP codes, in 3 towns: 57069, 57073 and 57010. 3 more cross into it from neighbouring counties: 57004, 57014 and 57072.

The county seat is Vermillion.

ZIP codes
3
Partly in it
3 more
Towns
3
County seat
Vermillion
County FIPS
46027
Population
15,219
Median household income
$56,850
Land area
412 sq mi
Metro area
Vermillion

Clay County ZIP codes by town

Vermillion (county seat)
57069

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.

ZIP codes partly in Clay County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Clay County.

Map of Clay County ZIP codes

570105706957073

The ZIP codes of Clay 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.

Clay County in numbers

About 15,219 people live in Clay County, in 5,547 households, the 14th most populous of South Dakota's 66 counties. The median household income is $56,850 a year, 24% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $232,300 (10% below the South Dakota median), and median gross rent is $770 a month. The median age is 24.9; 45.4% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 20 minutes.

Population15,219Clay15,219
Households5,547Clay5,547
Median age24.9Clay24.9South Dakota38.0US 38.9
Median household income$56,850Clay$56,850South Dakota$75,081US $80,734
Median home value$232,300Clay$232,300South Dakota$257,400US $332,700
Median gross rent$770Clay$770South Dakota$946US $1,413
Bachelor's degree or higher45.4%Clay45.4%South Dakota31.9%US 35.7%
Mean commute19.5 minClay19.5 minSouth Dakota17.8 minUS 26.4 min
Population density37 / sq miClay37 / 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 Clay County

Largest towns in Clay County
TownZIP codesPopulation
Vermillion 1 11,878
Wakonda 1 399
Burbank 1 110

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 Clay County.

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

Every ZIP code in Clay County, with figures

ZIP codes in Clay County
ZIP City Type Population Median income Median home
57010 Burbank , SD Standard 755 $93,611 $296,400
57069 Vermillion , SD Standard 13,091 $53,327 $231,200
57073 Wakonda , SD Standard 564 $73,281 $116,200

Cite this page

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

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