Boundary Atlas

ZIP code 40906: Barbourville, KY

ZIP code 40906 is in Barbourville (29% of residents) and Artemus (1.8%), in Knox County (99%) and Whitley County (1.4%), Kentucky. 69% of its residents live outside city limits. It is in Kentucky's 5th congressional district. Its state senate district is State Senate District 25; its state house districts are State House District 86 (99%) and State House District 82 (1.4%).

11,187residents (2020 Census)
137.4 sq miland area
2cities and towns
1congressional district
15voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Barbourville29%
Artemus1.8%

CountyShare of ZIP residents
Knox County99%
Whitley County1.4%

Town or county subdivisionShare of ZIP residents
Barbourville CCD77%
Girdler CCD13%
Bryants Store CCD5.2%
Trosper CCD2.5%
Gray CCD1.4%
Siler CCD1.4%

Congressional district

Congressional districtShare of ZIP residents
Kentucky's 5th congressional district (KY-05)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
State House District 8699%
State House District 821.4%

Voting precincts

15 voting precincts overlap ZIP 40906. 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:40906")

ZIP 40906 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.