Boundary Atlas

ZIP code 37315: Collegedale, TN

ZIP code 37315 is in Collegedale, 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 29 (78%) and State House District 30 (22%).

1,760residents (2020 Census)
0.1 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Tennessee

City and county

City or townShare of ZIP residents
Collegedale100%

CountyShare of ZIP residents
Hamilton County100%

Town or county subdivisionShare of ZIP residents
District 10100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TN-03)Charles J. "Chuck" Fleischmann (R)202-225-3271100%
U.S. SenatorBill Hagerty (R)202-224-4944 · contact formstatewide
U.S. SenatorMarsha Blackburn (R)202-224-3344 · contact formstatewide
State Senator (State Senate District 10)Todd Gardenhire (R)100%
State Representative (State House District 29)Greg Vital (R)78%
State Representative (State House District 30)Esther Helton-Haynes (R)22%

Elected in 2024 under TN's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 10100%

State house districtShare of ZIP residents
State House District 2978%
State House District 3022%

Voting precincts

1 voting precinct overlap ZIP 37315. 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:37315")

ZIP 37315 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.