ZIP code 40050: New Castle, KY

ZIP code 40050 is in New Castle (55% of residents), in Henry County, Kentucky. 45% of its residents live outside city limits. It is in Kentucky's 4th congressional district. Its state senate district is State Senate District 7; its state house district is State House District 47.

1,558residents (2020 Census)

17.2 sq miland area

1cities and towns

1congressional district

3voting precincts

See it on the map All of Kentucky

City and county

City or town	Share of ZIP residents
New Castle	55%

County	Share of ZIP residents
Henry County	100%

Town or county subdivision	Share of ZIP residents
New Castle CCD	100%

Congressional district

Congressional district	Share of ZIP residents
Kentucky's 4th congressional district (KY-04)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (KY-04)	Thomas Massie (R)	202-225-3465	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 7)	Aaron Reed (R)	502-233-3689	100%
State Representative (State House District 47)	Felicia Rabourn (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

New Castle website: http://www.newcastleky.com
New Castle laws: search for the New Castle, Kentucky code of ordinances
Henry County website: http://www.henrycountygov.com
Henry County laws: search for the Henry County, Kentucky code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 7	100%

State house district	Share of ZIP residents
State House District 47	100%

Voting precincts

3 voting precincts overlap ZIP 40050. 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:

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ZIP 40050 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.