Sun Prairie, Wisconsin
Sun Prairie is a city in Dane County, Wisconsin, with 35,967 residents in 2020. It is in Wisconsin's 2nd congressional district. Its state senate district is State Senate District 16; its state house district is Assembly District 48.
County
| County | Share of residents |
|---|---|
| Dane County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Wisconsin's 2nd congressional district (WI-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-02) | Mark Pocan (D) | 202-225-2906 | 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 16) | Melissa Ratcliff (Democratic) | 100% | |
| Assembly Member (Assembly District 48) | Andrew Hysell (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
- Sun Prairie website: http://www.cityofsunprairie.com
- Sun Prairie laws: search for the Sun Prairie, Wisconsin code of ordinances
- Dane County website: http://www.countyofdane.com
- Dane County laws: search for the Dane County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 16 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 48 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Sun Prairie: the share of that ZIP's residents living in it.
- 53590 (82%)
Get this in your AI agent
Your agent can get Sun Prairie'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:5578600")
Sun Prairie 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.