Berlin City (Green Lake County) is a city in Green Lake County, Wisconsin, home to about 5,522 people across 5.0 square miles. Its ZIP code is 54923.
Homes sold for a median of $161 per square foot in the three months ending August 2026, a seller’s market.
Mostly Berlin City (Green Lake County); also Berlin Town (Green Lake County) and Aurora Town (Waushara County)
Each card is that ZIP code’s whole market, including any part outside Berlin City (Green Lake County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Berlin City (Green Lake County)’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)89 miles away |
|---|---|
| Closer regional airport | Appleton International Airport (ATW)29 miles away |
| Nearest city of 250,000+ | Madison, WI66 miles away |
| Nearest city of 1 million+ | Chicago, IL161 miles away |
Straight-line distances from the center of Berlin City (Green Lake County); 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.
Berlin City (Green Lake County) had 5,484 residents in the 2020 census, up 5% since 2000.
It’s the 174th largest of 1,889 towns in Wisconsin by population.
Green Lake County grew from 15,797 residents in 1900 to 19,018 in 2020.
Green 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 81°F in summer, and winter lows average 8°F. About 35.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Berlin Wwtp, WI weather station (about a mile away).
4,954 jobs at 463 businesses in Green Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
79 doctors and other health care providers list an office in Berlin City (Green Lake County).
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 18 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 18 |
| Mental health providers | 2 |
| Physical and occupational therapists | 17 |
| Optometrists | 3 |
| Chiropractors | 4 |
| Pharmacies | 3 |
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 (8 nearby)
Grocery stores (1 nearby)
Libraries (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.
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 Berlin Area School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clay Lamberton ElementaryBerlin | Pre-K–5 | 480 | Public | 0.5 mi |
| Berlin MiddleBerlin | 6–8 | 276 | Public | 0.4 mi |
| Berlin HighBerlin | 9–12 | 441 | Public | 0.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St John Lutheran SchoolBerlin | Pre-K–8 | 64 | Lutheran Church–Missouri Synod | 0.7 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 Berlin Town (Green Lake County), Aurora Town (Waushara County), Poy Sippi, Seneca Town (Green Lake County), Warren Town (Waushara County), Nepeuskun and Berlin City (Waushara 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.