ZIP code 42123: Barren County, KY
ZIP code 42123 is in Barren County, Kentucky, outside any city or Census-designated place. It is in Kentucky's 2nd congressional district. Its state senate district is State Senate District 9; its state house district is State House District 23.
See it on the mapAll of Kentucky
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Barren County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tracy CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Kentucky's 2nd congressional district (KY-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (KY-02) | Brett Guthrie (R) | 202-225-3501 | 100% |
| U.S. Senator | Mitch McConnell (R) | 202-224-2541 · contact form | statewide |
| U.S. Senator | Rand Paul (R) | 202-224-4343 · contact form | statewide |
| State Senator (State Senate District 9) | David Givens (R) | 100% | |
| State Representative (State House District 23) | Steve Riley (R) | 100% |
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
- Barren County website: http://www.barrencounty.com
- Barren County laws: search for the Barren County, Kentucky code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 9 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 23 | 100% |
Voting precincts
1 voting precinct overlap ZIP 42123. 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:42123")
ZIP 42123 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.