Boundary Atlas

ZIP code 70554: Mamou, LA

ZIP code 70554 is in Mamou (53% of residents) and Reddell (13%), in Evangeline Parish, Louisiana. 34% of its residents live outside city limits. It is in Louisiana's 4th congressional district. Its state senate district is State Senate District 28; its state house districts are State House District 38 (94%) and State House District 41 (6.4%).

5,540residents (2020 Census)
133.8 sq miland area
2cities and towns
1congressional district
15voting precincts

See it on the mapAll of Louisiana

City and county

City or townShare of ZIP residents
Mamou53%
Reddell13%

CountyShare of ZIP residents
Evangeline Parish100%

Town or county subdivisionShare of ZIP residents
District 637%
District 732%
District 331%
District 20.6%
District 1<0.1%

Congressional district

Congressional districtShare of ZIP residents
Louisiana's 4th congressional district (LA-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 28100%

State house districtShare of ZIP residents
State House District 3894%
State House District 416.4%

Voting precincts

15 voting precincts overlap ZIP 70554. 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:70554")

ZIP 70554 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.