ZIP code 37309: Calhoun, TN
ZIP code 37309 is in Calhoun (25% of residents), in McMinn County (88%) and Polk County (12%), Tennessee. 75% of its residents live outside city limits. It is in Tennessee's 3rd congressional district. Its state senate districts are State Senate District 1 (88%) and State Senate District 2 (12%); its state house districts are State House District 23 (88%) and State House District 22 (12%).
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| Calhoun | 25% |
| County | Share of ZIP residents |
|---|---|
| McMinn County | 88% |
| Polk County | 12% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 5 | 58% |
| District 1 | 20% |
| District 1 | 12% |
| District 4 | 10% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 3rd congressional district (TN-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TN-03) | Charles J. "Chuck" Fleischmann (R) | 202-225-3271 | 100% |
| U.S. Senator | Bill Hagerty (R) | 202-224-4944 · contact form | statewide |
| U.S. Senator | Marsha Blackburn (R) | 202-224-3344 · contact form | statewide |
| State Senator (State Senate District 1) | Adam Lowe (R) | 88% | |
| State Senator (State Senate District 2) | Tom Hatcher (R) | 12% | |
| State Representative (State House District 23) | Mark Cochran (R) | 88% | |
| State Representative (State House District 22) | Dan Howell (R) | 12% |
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
- Calhoun laws: search for the Calhoun, Tennessee code of ordinances
- McMinn County website: http://mcminncountytn.gov
- McMinn County laws: search for the McMinn County, Tennessee code of ordinances
- Polk County website: http://www.polkgovernment.com
- Polk County laws: search for the Polk County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 88% |
| State Senate District 2 | 12% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 23 | 88% |
| State House District 22 | 12% |
Voting precincts
5 voting precincts overlap ZIP 37309. 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:37309")
ZIP 37309 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.