ZIP code 37066: Gallatin, TN
ZIP code 37066 is in Gallatin (76% of residents) and Hendersonville (2.4%), in Sumner County, Tennessee. 22% of its residents live outside city limits. It is in Tennessee's 7th congressional district (86%) and Tennessee's 6th congressional district (14%). Its state senate district is State Senate District 18; its state house districts are State House District 35 (72%), State House District 44 (27%) and State House District 45 (1.2%).
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| Gallatin | 76% |
| Hendersonville | 2.4% |
| Cottontown | 0.3% |
| Graball | 0.1% |
| County | Share of ZIP residents |
|---|---|
| Sumner County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 12 | 14% |
| District 8 | 14% |
| District 9 | 14% |
| District 13 | 14% |
| District 10 | 13% |
| District 7 | 13% |
| District 6 | 6.6% |
| District 11 | 4.2% |
| District 4 | 3.6% |
| District 14 | 1.4% |
| District 5 | 0.9% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 7th congressional district (TN-07) | 86% |
| Tennessee's 6th congressional district (TN-06) | 14% |
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-07) | Matt Van Epps (R) | 202-225-2811 | 86% |
| U.S. Representative (TN-06) | John W. Rose (R) | 202-225-4231 | 14% |
| 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 18) | Ferrell Haile (R) | 100% | |
| State Representative (State House District 35) | William Slater (R) | 72% | |
| State Representative (State House District 44) | William Lamberth (R) | 27% | |
| State Representative (State House District 45) | Johnny Garrett (R) | 1.2% |
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
- Gallatin website: http://www.gallatin-tn.gov/
- Gallatin laws: search for the Gallatin, Tennessee code of ordinances
- Hendersonville website: http://www.hvilletn.org
- Hendersonville laws: search for the Hendersonville, Tennessee code of ordinances
- Sumner County website: http://www.sumnertn.org
- Sumner County laws: search for the Sumner County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 35 | 72% |
| State House District 44 | 27% |
| State House District 45 | 1.2% |
Voting precincts
14 voting precincts overlap ZIP 37066. 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:37066")
ZIP 37066 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.