ZIP code 53594: Waterloo, WI
ZIP code 53594 is in Waterloo (66% of residents), in Jefferson County (83%), Dodge County (13%) and Dane County (3.8%), Wisconsin. 34% of its residents live outside city limits. It is in Wisconsin's 5th congressional district (96%) and Wisconsin's 2nd congressional district (3.8%). Its state senate districts are State Senate District 16 (100%) and State Senate District 13 (0.1%); its state house districts are Assembly District 46 (84%), Assembly District 48 (16%) and Assembly District 38 (0.1%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Waterloo | 66% |
| County | Share of ZIP residents |
|---|---|
| Jefferson County | 83% |
| Dodge County | 13% |
| Dane County | 3.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Waterloo city | 66% |
| Portland town | 13% |
| Waterloo town | 12% |
| Lake Mills town | 5.5% |
| York town | 2.9% |
| Medina town | 1.0% |
| Shields town | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 5th congressional district (WI-05) | 96% |
| Wisconsin's 2nd congressional district (WI-02) | 3.8% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-05) | Scott Fitzgerald (R) | 202-225-5101 | 96% |
| U.S. Representative (WI-02) | Mark Pocan (D) | 202-225-2906 | 3.8% |
| 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 16) | Melissa Ratcliff (Democratic) | 100% | |
| State Senator (State Senate District 13) | John Jagler (R) | 0.1% | |
| Assembly Member (Assembly District 46) | Joan Fitzgerald (Democratic) | 84% | |
| Assembly Member (Assembly District 48) | Andrew Hysell (Democratic) | 16% | |
| Assembly Member (Assembly District 38) | Will Penterman (R) | 0.1% |
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).
Local government
- Waterloo laws: search for the Waterloo, Wisconsin code of ordinances
- Jefferson County website: https://www.jeffersoncountywi.gov/
- Jefferson County laws: search for the Jefferson County, Wisconsin code of ordinances
- Dodge County laws: search for the Dodge County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 100% |
| State Senate District 13 | 0.1% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 46 | 84% |
| Assembly District 48 | 16% |
| Assembly District 38 | 0.1% |
Voting precincts
13 voting precincts overlap ZIP 53594. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:53594")
ZIP 53594 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.