Oasis is a town in Waushara County, Wisconsin, home to about 369 people across 35 square miles. It has no ZIP code of its own: it’s part of 54909 and 54966.
Homes sold for a median of $151 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Part is in Oasis, part in Belmont Town (Portage County) and Almond Village
Mostly Plainfield Village; part is in Oasis
Each card is that ZIP code’s whole market, including any part outside Oasis. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Oasis’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)117 miles away |
|---|---|
| Closer regional airport | Central Wisconsin Airport (CWA)40 miles away |
| Nearest city of 250,000+ | Madison, WI79 miles away |
| Nearest city of 1 million+ | Chicago, IL187 miles away |
Straight-line distances from the center of Oasis; 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.
Oasis had 384 residents in the 2020 census, down 5% since 2000.
It’s the 1623rd largest of 1,889 towns in Wisconsin by population.
Waushara County grew from 15,972 residents in 1900 to 24,520 in 2020.
Waushara County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 7°F. About 34.4 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Hancock Exp Farm, WI weather station (9 miles away).
4,855 jobs at 494 businesses in Waushara County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Oasis’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Mental health providers | 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 (3 nearby)
Libraries (1 nearby)
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 Almond-Bancroft School District, Tri-County Area School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Almond-Bancroft ElementaryAlmond | Pre-K–5 | 171 | Public | 2.5 mi |
| Tri-County ElementaryPlainfield | Pre-K–5 | 265 | Public | 3.3 mi |
| Almond-Bancroft MiddleAlmond | 6–8 | 77 | Public | 2.5 mi |
| Tri-County MiddlePlainfield | 6–8 | 134 | Public | 3.3 mi |
| Almond-Bancroft HighAlmond | 9–12 | 103 | Public | 2.5 mi |
| Tri-County HighPlainfield | 9–12 | 180 | Public | 3.3 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 Plainfield Village, Plainfield Town, Belmont Town (Portage County), Almond Village, Almond Town, Lanark, Pine Grove, Buena Vista Town (Portage County), Rose and Leola.
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.