ZIP code 04040: Harrison, ME
ZIP code 04040 is in Cumberland County (86%) and Oxford County (14%), Maine, outside any city or Census-designated place. It is in Maine's 1st congressional district (86%) and Maine's 2nd congressional district (14%). Its state senate district is State Senate District 18; its state house districts are State House District 83 (86%) and State House District 81 (14%).
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Cumberland County | 86% |
| Oxford County | 14% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Harrison town | 86% |
| Sweden town | 14% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Maine's 1st congressional district (ME-01) | 86% |
| Maine's 2nd congressional district (ME-02) | 14% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 83 | 86% |
| State House District 81 | 14% |
Voting precincts
2 voting precincts overlap ZIP 04040. 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:04040")
ZIP 04040 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.