ZIP code 55042: Lake Elmo, MN
ZIP code 55042 is in Lake Elmo (94% of residents), in Washington County, Minnesota. 6.0% of its residents live outside city limits. It is in Minnesota's 4th congressional district. Its state senate district is State Senate District 41; its state house district is State House District 41A.
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lake Elmo | 94% |
| County | Share of ZIP residents |
|---|---|
| Washington County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lake Elmo city | 94% |
| West Lakeland township | 6.0% |
| Baytown township | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 4th congressional district (MN-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Charles Cadenhead | 651-300-9641 | 94% |
| U.S. Representative (MN-04) | Betty McCollum (D) | 202-225-6631 | 100% |
| U.S. Senator | Amy Klobuchar (D) | 202-224-3244 · contact form | statewide |
| U.S. Senator | Tina Smith (D) | 202-224-5641 · contact form | statewide |
| State Senator (State Senate District 41) | Judy Seeberger (Democratic-Farmer-Labor) | 100% | |
| State Representative (State House District 41A) | Wayne Johnson (R) | 100% |
Elected under MN's previous legislative map; the district's lines changed for 2026.
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
- Lake Elmo website: http://www.lakeelmo.org/
- Lake Elmo laws: search for the Lake Elmo, Minnesota code of ordinances
- Washington County website: http://www.co.washington.mn.us
- Washington County laws: search for the Washington County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 41 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 41A | 100% |
Voting precincts
4 voting precincts overlap ZIP 55042. 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:55042")
ZIP 55042 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.