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zipcodes.pro — STATE/SD/COUNTY/EDMUNDS

Edmunds County, SD ZIP codes

Edmunds County, SD has 3 ZIP codes, in 3 towns: 57451, 57471 and 57428. 2 more cross into it from neighbouring counties: 57448 and 57475.

The county seat is Ipswich.

ZIP codes
3
Partly in it
2 more
Towns
3
County seat
Ipswich
County FIPS
46045
Population
4,048
Median household income
$81,630
Land area
1,126 sq mi
Metro area
Aberdeen

Edmunds County ZIP codes by town

Ipswich (county seat)
57451

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 Edmunds County

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

Map of Edmunds County ZIP codes

574285745157471

The ZIP codes of Edmunds 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.

Edmunds County in numbers

About 4,048 people live in Edmunds County, in 1,630 households, the 39th most populous of South Dakota's 66 counties. The median household income is $81,630 a year, 9% above the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $163,300 (37% below the South Dakota median), and median gross rent is $992 a month. The median age is 44.0; 28.2% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 20 minutes.

Population4,048Edmunds4,048
Households1,630Edmunds1,630
Median age44.0Edmunds44.0South Dakota38.0US 38.9
Median household income$81,630Edmunds$81,630South Dakota$75,081US $80,734
Median home value$163,300Edmunds$163,300South Dakota$257,400US $332,700
Median gross rent$992Edmunds$992South Dakota$946US $1,413
Bachelor's degree or higher28.2%Edmunds28.2%South Dakota31.9%US 35.7%
Mean commute20.0 minEdmunds20.0 minSouth Dakota17.8 minUS 26.4 min
Population density4 / sq miEdmunds4 / 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 Edmunds County

Largest towns in Edmunds County
TownZIP codesPopulation
Ipswich 1 1,048
Bowdle 1 475
Roscoe 1 316

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 Edmunds County.

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

Every ZIP code in Edmunds County, with figures

ZIP codes in Edmunds County
ZIP City Type Population Median income Median home
57428 Bowdle , SD Standard 567 $64,375 $143,800
57451 Ipswich , SD Standard 2,485 $86,000 $195,700
57471 Roscoe , SD Standard 546 $67,500 $78,700

Cite this page

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

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