Webster is a city in Day County, South Dakota, home to about 1,896 people across 1.6 square miles. Its ZIP code is 57274.
Homes sold for a median of $139 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Webster; also Grenville
Each card is that ZIP code’s whole market, including any part outside Webster. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Webster’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)212 miles away |
|---|---|
| Closer regional airport | Watertown Regional Airport (ATY)33 miles away |
| Nearest city of 250,000+ | Minneapolis, MN209 miles away |
| Nearest city of 1 million+ | Chicago, IL548 miles away |
Straight-line distances from the center of Webster; 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.
Webster had 1,728 residents in the 2020 census, down 11% since 2000.
It’s the 45th largest of 440 towns in South Dakota by population.
Day County grew from 12,254 residents in 1900 to 5,449 in 2020.
Day County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 2°F. About 26.2 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Webster, SD weather station (about a mile away).
1,372 jobs at 226 businesses in Day County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
16 doctors and other health care providers list an office in Webster.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 1 |
| Physical and occupational therapists | 5 |
| Chiropractors | 2 |
| 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
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 Webster Area School District 18-5. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Webster Area Elementary - 03Webster | Pre-K–5 | 274 | Public | 1.3 mi |
| Webster Area Middle School - 02Webster | 6–8 | 108 | Public | 1.3 mi |
| Webster Area High School - 01Webster | 9–12 | 164 | Public | 1.3 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 Grenville.
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.