Berlin, Wisconsin
Berlin is a city in Green Lake County (98% of residents) and Waushara County (1.6%), Wisconsin, with 5,571 residents in 2020. It is in Wisconsin's 6th congressional district. Its state senate district is State Senate District 13; its state house district is Assembly District 39.
County
| County | Share of residents |
|---|---|
| Green Lake County | 98% |
| Waushara County | 1.6% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Wisconsin's 6th congressional district (WI-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Joel Bruessel | citywide | |
| U.S. Representative (WI-06) | Glenn Grothman (R) | 202-225-2476 | 100% |
| U.S. Senator | Ron Johnson (R) | 202-224-5323 · contact form | statewide |
| U.S. Senator | Tammy Baldwin (D) | 202-224-5653 · contact form | statewide |
| State Senator (State Senate District 13) | John Jagler (R) | 100% | |
| Assembly Member (Assembly District 39) | Alex Dallman (R) | 100% |
From Wikidata (community-maintained); confirm on the city's website.
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- Berlin website: http://cityofberlin.net/
- Berlin laws: search for the Berlin, Wisconsin code of ordinances
- Green Lake County website: http://www.co.green-lake.wi.us
- Green Lake County laws: search for the Green Lake County, Wisconsin code of ordinances
- Waushara County laws: search for the Waushara County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 13 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 39 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Berlin: the share of that ZIP's residents living in it.
- 54923 (65%)
Get this in your AI agent
Your agent can get Berlin's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:5506925")
Berlin here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.