ZIP code 37321: Dayton, TN
ZIP code 37321 is in Dayton (36% of residents) and Graysville (1.7%), in Rhea County (99%) and Bledsoe County (1.0%), Tennessee. 62% of its residents live outside city limits. It is in Tennessee's 3rd congressional district (99%) and Tennessee's 4th congressional district (1.0%). Its state senate districts are State Senate District 1 (99%) and State Senate District 10 (1.0%); its state house district is State House District 31.
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dayton | 36% |
| Graysville | 1.7% |
| County | Share of ZIP residents |
|---|---|
| Rhea County | 99% |
| Bledsoe County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 8 | 20% |
| District 5 | 19% |
| District 7 | 18% |
| District 6 | 17% |
| District 4 | 14% |
| District 9 | 11% |
| District 3 | 1.0% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 3rd congressional district (TN-03) | 99% |
| Tennessee's 4th congressional district (TN-04) | 1.0% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TN-03) | Charles J. "Chuck" Fleischmann (R) | 202-225-3271 | 99% |
| U.S. Representative (TN-04) | Scott DesJarlais (R) | 202-225-6831 | 1.0% |
| 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) | 99% | |
| State Senator (State Senate District 10) | Todd Gardenhire (R) | 1.0% | |
| State Representative (State House District 31) | Ron Travis (R) | 100% |
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
- Dayton website: http://www.daytontn.net/
- Dayton laws: search for the Dayton, Tennessee code of ordinances
- Graysville website: https://graysvilletn.gov
- Graysville laws: search for the Graysville, Tennessee code of ordinances
- Rhea County website: http://www.rheacountytn.com
- Rhea County laws: search for the Rhea County, Tennessee code of ordinances
- Bledsoe County website: https://bledsoetn.com/
- Bledsoe County laws: search for the Bledsoe County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 99% |
| State Senate District 10 | 1.0% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 31 | 100% |
Voting precincts
9 voting precincts overlap ZIP 37321. 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:37321")
ZIP 37321 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.