Boundary Atlas

ZIP code 37409: Chattanooga, TN

ZIP code 37409 is in Chattanooga (96% of residents), in Hamilton County, Tennessee. It is in Tennessee's 3rd congressional district. Its state senate district is State Senate District 10; its state house districts are State House District 27 (96%) and State House District 28 (3.9%).

2,791residents (2020 Census)
4.4 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Tennessee

City and county

City or townShare of ZIP residents
Chattanooga96%

CountyShare of ZIP residents
Hamilton County100%

Town or county subdivisionShare of ZIP residents
District 11100%

Congressional district

Congressional districtShare of ZIP residents
Tennessee's 3rd congressional district (TN-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 10100%

State house districtShare of ZIP residents
State House District 2796%
State House District 283.9%

Voting precincts

3 voting precincts overlap ZIP 37409. 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:37409")

ZIP 37409 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.