ZIP code 53523: Lake Ripley, WI
ZIP code 53523 is in Lake Ripley (36% of residents), Cambridge (31%) and Rockdale (3.9%), in Dane County (52%) and Jefferson County (48%), Wisconsin. 29% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district (52%) and Wisconsin's 5th congressional district (48%). Its state senate district is State Senate District 16; its state house district is Assembly District 46.
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lake Ripley | 36% |
| Cambridge | 31% |
| Rockdale | 3.9% |
| County | Share of ZIP residents |
|---|---|
| Dane County | 52% |
| Jefferson County | 48% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Oakland town | 41% |
| Cambridge village | 29% |
| Christiana town | 15% |
| Rockdale village | 3.9% |
| Lake Mills town | 3.6% |
| Deerfield town | 2.5% |
| Cambridge village | 1.9% |
| Sumner town | 1.7% |
| Albion town | 1.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 2nd congressional district (WI-02) | 52% |
| Wisconsin's 5th congressional district (WI-05) | 48% |
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-02) | Mark Pocan (D) | 202-225-2906 | 52% |
| U.S. Representative (WI-05) | Scott Fitzgerald (R) | 202-225-5101 | 48% |
| 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% | |
| Assembly Member (Assembly District 46) | Joan Fitzgerald (Democratic) | 100% |
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
- Lake Ripley laws: search for the Lake Ripley, Wisconsin code of ordinances
- Cambridge website: http://ci.cambridge.wi.us/
- Cambridge laws: search for the Cambridge, Wisconsin code of ordinances
- Rockdale website: http://www.villageofrockdale.com/
- Rockdale laws: search for the Rockdale, Wisconsin code of ordinances
- Dane County website: http://www.countyofdane.com
- Dane County laws: search for the Dane 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 16 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 46 | 100% |
Voting precincts
13 voting precincts overlap ZIP 53523. 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:53523")
ZIP 53523 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.