Boundary Atlas

ZIP code 04073: Sanford, ME

ZIP code 04073 is in Sanford, in York County, Maine. It is in Maine's 1st congressional district. Its state senate district is State Senate District 33; its state house districts are State House District 143 (51%), State House District 142 (43%) and State House District 141 (5.9%).

17,283residents (2020 Census)
37.7 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Maine

City and county

City or townShare of ZIP residents
Sanford100%

CountyShare of ZIP residents
York County100%

Town or county subdivisionShare of ZIP residents
Sanford city100%

Congressional district

Congressional districtShare of ZIP residents
Maine's 1st congressional district (ME-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 33100%

State house districtShare of ZIP residents
State House District 14351%
State House District 14243%
State House District 1415.9%

Voting precincts

1 voting precinct overlap ZIP 04073. Map them, with each precinct's share of the ZIP's residents.

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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:04073")

ZIP 04073 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.