Madison is a city in Lake County, South Dakota, home to about 6,094 people across 4.6 square miles. Its ZIP code is 57042.
Homes sold for a median of $155 per square foot in the three months ending August 2026, a seller’s market.
Mostly Madison; also Rustic Acres Colony
Each card is that ZIP code’s whole market, including any part outside Madison. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Madison’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Madison well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Eppley Airfield (OMA)197 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)34 miles away |
| Nearest city of 250,000+ | Omaha, NE197 miles away |
| Nearest city of 1 million+ | Chicago, IL500 miles away |
Straight-line distances from the center of Madison; 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.
Madison had 6,191 residents in the 2020 census, down 5% since 2000.
It’s the 18th largest of 440 towns in South Dakota by population.
Lake County grew from 9,137 residents in 1900 to 11,059 in 2020.
Lake County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 5°F. About 26.4 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.
Source: NOAA 1991–2020 climate normals, Madison 2se, SD weather station (2 miles away).
3,907 jobs at 339 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
72 doctors and other health care providers list an office in Madison.
Nearest hospitals
Providers with an office here
| Primary care doctors | 9 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 19 |
| Physical and occupational therapists | 18 |
| Optometrists | 5 |
| Chiropractors | 6 |
| 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.
Parks (4 nearby)
Grocery stores (1 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 1.5 miles 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.
Established in 1880.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Madison Central School District 39-2, Chester Area School District 39-1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Madison Elementary - 07Madison | K–5 | 515 | Public | 0.9 mi |
| Rustic Acres Elementary - 04Madison | K–8 | 41 | Public | 9.3 mi |
| Madison Middle School - 02Madison | 6–8 | 270 | Public | 0.9 mi |
| Madison High School - 01Madison | 9–12 | 384 | Public | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Thomas SchoolMadison | Pre-K–5 | 44 | Roman Catholic | 0.2 mi |
| Madison Christian SchoolMadison | 1–2 | 2 | Christian (no specific denomination) | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Madison? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Rustic Acres 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.