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zipcodes.pro — STATE/SD/COUNTY/CODINGTON

Codington County, SD ZIP codes

Codington County, SD has 6 ZIP codes, in 6 towns: 57201, 57235, 57243, 57263, 57245 and 57272.

The county seat is Watertown.

ZIP codes
6
Towns
6
County seat
Watertown
County FIPS
46029
Population
28,767
Median household income
$72,727
Land area
688 sq mi
Area code
605
Metro area
Watertown

Codington County ZIP codes by town

Watertown (county seat)
57201

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 Codington County ZIP codes

572015723557243572455726357272

The ZIP codes of Codington 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.

Codington County in numbers

About 28,767 people live in Codington County, in 12,526 households, the 7th most populous of South Dakota's 66 counties. The median household income is $72,727 a year, 3% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $237,700 (8% below the South Dakota median), and median gross rent is $938 a month. The median age is 40.4; 21.4% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 14 minutes.

Population28,767Codington28,767
Households12,526Codington12,526
Median age40.4Codington40.4South Dakota38.0US 38.9
Median household income$72,727Codington$72,727South Dakota$75,081US $80,734
Median home value$237,700Codington$237,700South Dakota$257,400US $332,700
Median gross rent$938Codington$938South Dakota$946US $1,413
Bachelor's degree or higher21.4%Codington21.4%South Dakota31.9%US 35.7%
Mean commute14.1 minCodington14.1 minSouth Dakota17.8 minUS 26.4 min
Population density42 / sq miCodington42 / 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 Codington County

Largest towns in Codington County
TownZIP codesPopulation
Watertown 1 23,044
Florence 1 317
Henry 1 237
South Shore 1 183
Kranzburg 1 175
Wallace 1 66

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 Codington County.

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

Every ZIP code in Codington County, with figures

ZIP codes in Codington County
ZIP City Type Population Median income Median home
57201 Watertown , SD Standard 26,781 $72,878 $242,700
57235 Florence , SD Standard 774 $83,462 $231,100
57243 Henry , SD Standard 549 $48,542 $117,500
57245 Kranzburg , SD Standard 151 $86,250 $157,200
57263 South Shore , SD Standard 351 $58,214 $112,500
57272 Wallace , SD Standard 201 $83,750 $89,200

Cite this page

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

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