ZIP code 53190: Whitewater, WI
ZIP code 53190 is in Whitewater (77% of residents), in Walworth County (73%), Jefferson County (21%) and Rock County (6.1%), Wisconsin. 23% of its residents live outside city limits. It is in Wisconsin's 1st congressional district (79%) and Wisconsin's 5th congressional district (21%). Its state senate districts are State Senate District 15 (96%), State Senate District 11 (3.2%), State Senate District 16 (0.7%) and State Senate District 33 (0.2%); its state house districts are Assembly District 43 (96%), Assembly District 31 (3.2%), Assembly District 46 (0.7%) and Assembly District 97 (0.2%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Whitewater | 77% |
| Lake Lorraine | 0.5% |
| County | Share of ZIP residents |
|---|---|
| Walworth County | 73% |
| Jefferson County | 21% |
| Rock County | 6.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Whitewater city | 60% |
| Whitewater city | 16% |
| Whitewater town | 7.4% |
| Lima town | 4.9% |
| Cold Spring town | 3.7% |
| La Grange town | 3.2% |
| Richmond town | 2.2% |
| Johnstown town | 1.2% |
| Koshkonong town | 0.7% |
| Palmyra town | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 1st congressional district (WI-01) | 79% |
| Wisconsin's 5th congressional district (WI-05) | 21% |
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-01) | Bryan Steil (R) | 202-225-3031 | 79% |
| U.S. Representative (WI-05) | Scott Fitzgerald (R) | 202-225-5101 | 21% |
| 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 15) | Mark Spreitzer (Democratic) | 96% | |
| State Senator (State Senate District 11) | Steve Nass (R) | 3.2% | |
| State Senator (State Senate District 16) | Melissa Ratcliff (Democratic) | 0.7% | |
| State Senator (State Senate District 33) | Chris Kapenga (R) | 0.2% | |
| Assembly Member (Assembly District 43) | Brienne Brown (Democratic) | 96% | |
| Assembly Member (Assembly District 31) | Tyler August (R) | 3.2% | |
| Assembly Member (Assembly District 46) | Joan Fitzgerald (Democratic) | 0.7% | |
| Assembly Member (Assembly District 97) | Cindi Duchow (R) | 0.2% |
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
- Whitewater laws: search for the Whitewater, Wisconsin code of ordinances
- Walworth County website: http://www.co.walworth.wi.us
- Walworth County laws: search for the Walworth County, Wisconsin code of ordinances
- Jefferson County website: https://www.jeffersoncountywi.gov/
- Jefferson County laws: search for the Jefferson County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 15 | 96% |
| State Senate District 11 | 3.2% |
| State Senate District 16 | 0.7% |
| State Senate District 33 | 0.2% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 43 | 96% |
| Assembly District 31 | 3.2% |
| Assembly District 46 | 0.7% |
| Assembly District 97 | 0.2% |
Voting precincts
25 voting precincts overlap ZIP 53190. 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:53190")
ZIP 53190 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.