Boundary Atlas

ZIP code 42404: Clay, KY

ZIP code 42404 is in Clay (45% of residents), in Webster County (96%) and Union County (3.7%), Kentucky. 55% 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 district is State House District 12.

2,277residents (2020 Census)
87.7 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
Clay45%
Wheatcroft0.4%

CountyShare of ZIP residents
Webster County96%
Union County3.7%

Town or county subdivisionShare of ZIP residents
Clay CCD84%
Providence CCD11%
Sturgis CCD3.7%
Dixon CCD1.2%

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 12100%

Voting precincts

8 voting precincts overlap ZIP 42404. 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:42404")

ZIP 42404 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.