Ipswich is a city in Edmunds County, South Dakota, home to about 1,048 people across 1.3 square miles. Its ZIP code is 57451.
Homes sold for a median of $122 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Ipswich; also Mina and Pembrook Colony
Each card is that ZIP code’s whole market, including any part outside Ipswich. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Ipswich’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Des Moines International Airport (DSM)381 miles away |
|---|---|
| Closer regional airport | Aberdeen Regional Airport (ABR)29 miles away |
| Nearest city of 250,000+ | Minneapolis, MN282 miles away |
| Nearest city of 1 million+ | Chicago, IL619 miles away |
Straight-line distances from the center of Ipswich; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Ipswich had 928 residents in the 2020 census, down 2% since 2000.
It’s the 74th largest of 440 towns in South Dakota by population.
Edmunds County grew from 4,916 residents in 1900 to 3,986 in 2020.
Edmunds County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 3°F. About 20.2 inches of rain and melted snow fall in a typical year, with about 34 inches of snow.
Source: NOAA 1991–2020 climate normals, Ipswich, SD weather station (about a mile away).
847 jobs at 116 businesses in Edmunds County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Ipswich.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Physical and occupational therapists | 2 |
| Chiropractors | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Libraries (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Ipswich Public School District 22-6. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ipswich Elementary - 02Ipswich | Pre-K–5 | 182 | Public | 0.8 mi |
| Pembrook Colony Elementary - 06Ipswich | Pre-K–8 | 34 | Public | 5.2 mi |
| Ipswich Middle School - 04Ipswich | 6–8 | 85 | Public | 0.8 mi |
| Dakota Trail Virtual School - 92Ipswich | 9–12 | 1 | Public | 0.8 mi |
| Ipswich High School - 01Ipswich | 9–12 | 103 | Public | 0.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mina, Pembrook Colony and Deerfield Colony.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.