Boundary Atlas

ZIP code 42406: Corydon, KY

ZIP code 42406 is in Corydon (27% of residents) and Poole (5.1%), in Henderson County (99%) and Webster County (1.0%), Kentucky. 68% of its residents live outside city limits. It is in Kentucky's 1st congressional district. Its state senate district is State Senate District 4; its state house districts are State House District 11 (99%) and State House District 12 (1.0%).

2,756residents (2020 Census)
110.4 sq miland area
2cities and towns
1congressional district
8voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Corydon27%
Poole5.1%

CountyShare of ZIP residents
Henderson County99%
Webster County1.0%

Town or county subdivisionShare of ZIP residents
Corydon CCD99%
Dixon CCD1.0%

Congressional district

Congressional districtShare of ZIP residents
Kentucky's 1st congressional district (KY-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 4100%

State house districtShare of ZIP residents
State House District 1199%
State House District 121.0%

Voting precincts

8 voting precincts overlap ZIP 42406. 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:42406")

ZIP 42406 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.