ZIP code 37820: District 7, TN
ZIP code 37820 is in New Market (17% of residents), in Jefferson County, Tennessee. 83% of its residents live outside city limits. It is in Tennessee's 1st congressional district. Its state senate district is State Senate District 8; its state house district is State House District 17.
See it on the mapAll of Tennessee
City and county
| City or town | Share of ZIP residents |
|---|---|
| New Market | 17% |
| Jefferson City | 0.2% |
| County | Share of ZIP residents |
|---|---|
| Jefferson County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 7 | 62% |
| District 6 | 21% |
| District 4 | 9.1% |
| District 5 | 7.3% |
| District 2 | 1.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Tennessee's 1st congressional district (TN-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TN-01) | Diana Harshbarger (R) | 202-225-6356 | 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 8) | Jessie Seal (R) | 100% | |
| State Representative (State House District 17) | Andrew Farmer (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
- New Market laws: search for the New Market, Tennessee code of ordinances
- Jefferson County website: http://jeffersoncountytn.gov
- Jefferson County laws: search for the Jefferson County, Tennessee code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 8 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 17 | 100% |
Voting precincts
5 voting precincts overlap ZIP 37820. 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:37820")
ZIP 37820 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.