Sumpter is a town in Sauk County, Wisconsin, home to about 1,163 people across 38 square miles. It has no ZIP code of its own: it’s part of 53561, 53578, 53913 and 53951.
Homes sold for a median of $204 per square foot across 4 ZIP codes in the three months ending August 2026, and 3 of 4 were seller’s markets.
Mostly Merrimac Town; part is in Sumpter
Mostly Prairie du Sac Village; part is in Sumpter
Mostly Baraboo; part is in Sumpter
Mostly North Freedom; part is in Sumpter
Each card is that ZIP code’s whole market, including any part outside Sumpter. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sumpter’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | General Mitchell International Airport (MKE)100 miles away |
|---|---|
| Closer regional airport | Dane County Regional Truax Field (MSN)28 miles away |
| Nearest city of 250,000+ | Madison, WI27 miles away |
| Nearest city of 1 million+ | Chicago, IL151 miles away |
Straight-line distances from the center of Sumpter; 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.
Sumpter had 1,055 residents in the 2020 census, up 3% since 2000.
It’s the 772nd largest of 1,889 towns in Wisconsin by population.
Sauk County grew from 33,006 residents in 1900 to 65,763 in 2020.
Sauk 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 10°F. About 39.1 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Baraboo, WI weather station (5 miles away).
31,025 jobs at 1,876 businesses in Sauk County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
326 doctors and other health care providers list an office in Sumpter’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 27 |
|---|---|
| Specialist doctors | 35 |
| Dentists | 28 |
| Nurse practitioners and physician assistants | 53 |
| Mental health providers | 110 |
| Physical and occupational therapists | 42 |
| Optometrists | 11 |
| Chiropractors | 20 |
| Pharmacies | 10 |
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 (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums (2 nearby)
Theaters and performance venues
Counts are within about 4 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.
Public schools here are run by Baraboo School District, Sauk Prairie School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Al Behrman ElementaryBaraboo | Pre-K–5 | 278 | Public | 5.1 mi |
| Baraboo Early Learning CooperativeBaraboo | Pre-K | 116 | Public | 5.9 mi |
| BELC--Renewal Head StartBaraboo | Pre-K | 15 | Public | 5.9 mi |
| Bridges ElementaryPrairie du Sac | Pre-K–2 | 458 | Public | 7.3 mi |
| East ElementaryBaraboo | Pre-K–5 | 334 | Public | 6.2 mi |
| Merrimac CommunityMerrimac | Pre-K–5 | 134 | Public | 7.9 mi |
| North Freedom ElementaryNorth Freedom | Pre-K–5 | 103 | Public | 6.9 mi |
| Tower Rock ElementaryPrairie du Sac | Pre-K–5 | 213 | Public | 7.8 mi |
| West Elementary-Kindergarten CenterBaraboo | Pre-K–K | 35 | Public | 5.9 mi |
| Willson ElementaryBaraboo | Pre-K–5 | 284 | Public | 6.1 mi |
| Grand Avenue ElementaryPrairie du Sac | 3–5 | 396 | Public | 7.8 mi |
| Jack Young MiddleBaraboo | 6–8 | 548 | Public | 6.3 mi |
| Baraboo HighBaraboo | 9–12 | 885 | Public | 6.1 mi |
| Sauk Prairie HighPrairie du Sac | 9–12 | 862 | Public | 7.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Community Christian School of BarabooBaraboo | Pre-K–12 | 114 | Christian (no specific denomination) | 10.1 mi |
| St John's Lutheran SchoolBaraboo | Pre-K–8 | 88 | Wisconsin Evangelical Lutheran Synod | 6.1 mi |
| St Joseph Parish SchoolBaraboo | Pre-K–8 | 196 | Roman Catholic | 5.8 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.
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Shares ZIP codes with Baraboo, Prairie du Sac Village, Lake Delton, Delton, West Baraboo, Baraboo Town, Fairfield, Merrimac Town, Greenfield Town (Sauk County), North Freedom, West Point, Merrimac Village, Excelsior, Prairie du Sac Town, Freedom Town (Sauk County), Honey Creek and Caledonia Town (Columbia County).
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.