Boundary Atlas

ZIP code 40949: Knox County, KY

ZIP code 40949 is in Barbourville (1.7% of residents), in Knox County, Kentucky. 98% 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 district is State House District 86.

483residents (2020 Census)
2.0 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Barbourville1.7%

CountyShare of ZIP residents
Knox County100%

Town or county subdivisionShare of ZIP residents
Barbourville CCD100%

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 86100%

Voting precincts

2 voting precincts overlap ZIP 40949. Map them, with each precinct's share of the ZIP's residents.

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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:40949")

ZIP 40949 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.