Oconomowoc, Wisconsin
Oconomowoc is a city in Waukesha County, Wisconsin, with 18,203 residents in 2020. It is in Wisconsin's 5th congressional district. Its state senate district is State Senate District 33; its state house district is Assembly District 99.
County
| County | Share of residents |
|---|---|
| Waukesha County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Wisconsin's 5th congressional district (WI-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-05) | Scott Fitzgerald (R) | 202-225-5101 | 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 33) | Chris Kapenga (R) | 100% | |
| Assembly Member (Assembly District 99) | Barbara Dittrich (R) | 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
- Oconomowoc website: https://www.oconomowoc-wi.gov/
- Oconomowoc laws: search for the Oconomowoc, Wisconsin code of ordinances
- Waukesha County website: http://www.waukeshacounty.gov
- Waukesha County laws: search for the Waukesha County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 33 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 99 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Oconomowoc: the share of that ZIP's residents living in it.
- 53066 (50%)
Get this in your AI agent
Your agent can get Oconomowoc'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:5559250")
Oconomowoc 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.