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zipcodes.pro — CITY/SD/IPSWICH

Ipswich ZIP code, South Dakota

The ZIP code for Ipswich, SD is 57451, and its area code is 605.

USPS city name
1 ZIP code
Population
1,048
Area code
605

Ipswich in numbers

About 1,048 people live in Ipswich, in 402 households. The median household income is $74,167 a year, about the same as the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $164,700 (36% below the South Dakota median), and median gross rent is $1,053 a month. The median age is 34.9; 19.9% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 17 minutes.

Population1,048Ipswich1,048
Households402Ipswich402
Median age34.9Ipswich34.9South Dakota38.0US 38.9
Median household income$74,167Ipswich$74,167South Dakota$75,081US $80,734
Median home value$164,700Ipswich$164,700South Dakota$257,400US $332,700
Median gross rent$1,053Ipswich$1,053South Dakota$946US $1,413
Bachelor's degree or higher19.9%Ipswich19.9%South Dakota31.9%US 35.7%
Mean commute16.9 minIpswich16.9 minSouth Dakota17.8 minUS 26.4 min
Population density782 / sq miIpswich782 / sq mi

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

ZIP codes addressed as Ipswich

ZIP codes with the USPS city name Ipswich
ZIP City Type Population Median income Median home
57451 Ipswich , SD Standard 2,485 $86,000 $195,700

Map of Ipswich ZIP codes

57451

The ZIP codes of Ipswich, SD, 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.

Towns near Ipswich

The nearest larger towns are Aberdeen (28,189 people, 27 mi), Groton (1,691 people, 45 mi) and Redfield (1,989 people, 47 mi).

Towns near Ipswich
TownPopulationDistance
Aberdeen 28,189 27.3 mi

More nearby: every ZIP code in Edmunds County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “Ipswich, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/ipswich

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