Brookfield, Wisconsin
Brookfield is a city in Waukesha County, Wisconsin, with 41,489 residents in 2020. It is in Wisconsin's 5th congressional district. It spans 2 state senate and 3 state house districts.
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 5) | Rob Hutton (R) | 100% | |
| State Senator (State Senate District 8) | Jodi Habush Sinykin (Democratic) | <0.1% | |
| Assembly Member (Assembly District 15) | Adam Neylon (R) | 53% | |
| Assembly Member (Assembly District 13) | Robyn Vining (Democratic) | 47% | |
| Assembly Member (Assembly District 24) | Dan Knodl (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
- Brookfield website: https://www.ci.brookfield.wi.us/
- Brookfield laws: search for the Brookfield, 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 5 | 100% |
| State Senate District 8 | <0.1% |
| State house district | Share of residents |
|---|---|
| Assembly District 15 | 53% |
| Assembly District 13 | 47% |
| Assembly District 24 | <0.1% |
ZIP codes
Percentages mark ZIPs only partly in Brookfield: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Brookfield'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:5510025")
Brookfield 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.