ZIP code 04429: Holden, ME
ZIP code 04429 is in Penobscot County (67%) and Hancock County (33%), Maine, outside any city or Census-designated place. It is in Maine's 2nd congressional district. Its state senate district is State Senate District 10; its state house districts are State House District 19 (67%) and State House District 18 (33%).
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Penobscot County | 67% |
| Hancock County | 33% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Holden town | 67% |
| Dedham town | 33% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Maine's 2nd congressional district (ME-02) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 19 | 67% |
| State House District 18 | 33% |
Voting precincts
2 voting precincts overlap ZIP 04429. 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:04429")
ZIP 04429 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.