ZIP code 54826: Crystal Lake, WI
ZIP code 54826 is in Barron County (59%) and Polk County (41%), Wisconsin, outside any city or Census-designated place. It is in Wisconsin's 7th congressional district. Its state senate districts are State Senate District 23 (59%) and State Senate District 25 (41%); its state house districts are Assembly District 67 (59%) and Assembly District 75 (41%).
See it on the mapAll of Wisconsin
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Barron County | 59% |
| Polk County | 41% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Crystal Lake town | 56% |
| Johnstown town | 41% |
| Clinton town | 1.5% |
| Cumberland town | 1.5% |
| Almena town | 0.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 7th congressional district (WI-07) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 59% |
| State Senate District 25 | 41% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 67 | 59% |
| Assembly District 75 | 41% |
Voting precincts
5 voting precincts overlap ZIP 54826. 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:54826")
ZIP 54826 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.