Boundary Atlas

ZIP code 42040: Graves County, KY

ZIP code 42040 is in Farmington (13% of residents), in Graves County (66%) and Calloway County (34%), Kentucky. 87% of its residents live outside city limits. It is in Kentucky's 1st congressional district. Its state senate district is State Senate District 1; its state house districts are State House District 2 (66%) and State House District 5 (34%).

1,028residents (2020 Census)
31.8 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Farmington13%

CountyShare of ZIP residents
Graves County66%
Calloway County34%

Town or county subdivisionShare of ZIP residents
Farmington CCD34%
Sedalia CCD32%
Kirksey CCD18%
Hazel-Lynn Grove CCD16%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (KY-01)James Comer (R)202-225-3115100%
U.S. SenatorMitch McConnell (R)202-224-2541 · contact formstatewide
U.S. SenatorRand Paul (R)202-224-4343 · contact formstatewide
State Senator (State Senate District 1)Jason Howell (R)100%
State Representative (State House District 2)Kim Holloway (R)270-978-058366%
State Representative (State House District 5)Mary Beth Imes (R)34%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 266%
State House District 534%

Voting precincts

3 voting precincts overlap ZIP 42040. 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:42040")

ZIP 42040 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.