Alexandria is a city in Hanson County, South Dakota, home to about 692 people across 0.6 square miles. Its ZIP code is 57311.
Homes sold for a median of $188 per square foot in the three months ending August 2026, a seller’s market.
Mostly Alexandria; also Oak Lane Colony and Farmer
Each card is that ZIP code’s whole market, including any part outside Alexandria. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Alexandria’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Eppley Airfield (OMA)189 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)51 miles away |
| Nearest city of 250,000+ | Omaha, NE187 miles away |
| Nearest city of 1 million+ | Chicago, IL526 miles away |
Straight-line distances from the center of Alexandria; 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.
Alexandria had 649 residents in the 2020 census, up 15% since 2000.
It’s the 121st largest of 440 towns in South Dakota by population.
Hanson County grew from 4,947 residents in 1900 to 3,461 in 2020.
Hanson 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 6°F. About 25.2 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Alexandria, SD weather station (2 miles away).
455 jobs at 90 businesses in Hanson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Hanson School District 30-1, Mitchell School District 17-2. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hanson Elementary - 06Alexandria | Pre-K–5 | 151 | Public | 1.7 mi |
| Oaklane Colony Elementary - 05Alexandria | K–8 | 30 | Public | 10.9 mi |
| Rockport Colony Elementary- 10Alexandria | K–8 | 12 | Public | 10.6 mi |
| Hanson Middle School - 02Alexandria | 6–8 | 71 | Public | 1.7 mi |
| Hanson High School - 01Alexandria | 9–12 | 122 | Public | 1.7 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 Oak Lane Colony, Farmer, Rockport Colony and Rosedale 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.