ZIP code 37166: Smithville, TN
ZIP code 37166 is in Smithville (35% of residents), in DeKalb County (94%), Warren County (4.9%) and Cannon County (1.2%), Tennessee. 65% of its residents live outside city limits. It is in Tennessee's 6th congressional district (94%) and Tennessee's 4th congressional district (6.1%). Its state senate districts are State Senate District 16 (99%) and State Senate District 14 (1.2%); its state house districts are State House District 40 (95%) and State House District 43 (4.9%).
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| Smithville | 35% |
| County | Share of ZIP residents |
|---|---|
| DeKalb County | 94% |
| Warren County | 4.9% |
| Cannon County | 1.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 7 | 21% |
| District 3 | 19% |
| District 6 | 19% |
| District 4 | 17% |
| District 5 | 15% |
| District 11 | 4.7% |
| District 2 | 3.4% |
| District 2 | 0.9% |
| District 4 | 0.2% |
| District 12 | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 6th congressional district (TN-06) | 94% |
| Tennessee's 4th congressional district (TN-04) | 6.1% |
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-06) | John W. Rose (R) | 202-225-4231 | 94% |
| U.S. Representative (TN-04) | Scott DesJarlais (R) | 202-225-6831 | 6.1% |
| 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 16) | Janice Bowling (R) | 99% | |
| State Senator (State Senate District 14) | Shane Reeves (R) | 1.2% | |
| State Representative (State House District 40) | Michael Hale (R) | 95% | |
| State Representative (State House District 43) | Paul Sherrell (R) | 4.9% |
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
- Smithville website: http://www.smithvilletn.com/
- Smithville laws: search for the Smithville, Tennessee code of ordinances
- DeKalb County website: http://dekalbtennessee.com
- DeKalb County laws: search for the DeKalb County, Tennessee code of ordinances
- Warren County website: http://www.warrencountytn.gov
- Warren County laws: search for the Warren County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 99% |
| State Senate District 14 | 1.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 40 | 95% |
| State House District 43 | 4.9% |
Voting precincts
12 voting precincts overlap ZIP 37166. 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:37166")
ZIP 37166 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.