Marshfield, Wisconsin
Marshfield is a city in Wood County (96% of residents) and Marathon County (4.3%), Wisconsin, with 18,929 residents in 2020. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 29; its state house district is Assembly District 86.
County
| County | Share of residents |
|---|---|
| Wood County | 96% |
| Marathon County | 4.3% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Wisconsin's 7th congressional district (WI-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Lois TeStrake-Poeschel | 715-486-2074 | citywide |
| U.S. Representative (WI-07) | Thomas P. Tiffany (R) | 202-225-3365 | 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 29) | Cory Tomczyk (R) | 100% | |
| Assembly Member (Assembly District 86) | John Spiros (R) | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Marshfield website: https://cityofmarshfieldwi.gov/
- Marshfield laws: search for the Marshfield, Wisconsin code of ordinances
- Wood County laws: search for the Wood County, Wisconsin code of ordinances
- Marathon County website: http://www.co.marathon.wi.us
- Marathon County laws: search for the Marathon County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 29 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 86 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Marshfield: the share of that ZIP's residents living in it.
- 54449 (72%)
Get this in your AI agent
Your agent can get Marshfield'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:5549675")
Marshfield 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.