Boundary Atlas

ZIP code 40037: Loretto, KY

ZIP code 40037 is in Loretto (25% of residents), in Marion County (92%), Nelson County (7.8%) and Washington County (0.4%), Kentucky. 75% of its residents live outside city limits. It is in Kentucky's 1st congressional district (92%) and Kentucky's 2nd congressional district (7.8%). Its state senate district is State Senate District 14; its state house districts are State House District 51 (92%), State House District 50 (7.8%) and State House District 55 (0.4%).

2,888residents (2020 Census)
50.1 sq miland area
1cities and towns
2congressional districts
5voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Loretto25%

CountyShare of ZIP residents
Marion County92%
Nelson County7.8%
Washington County0.4%

Town or county subdivisionShare of ZIP residents
Loretto CCD89%
Bardstown CCD4.6%
New Haven CCD3.2%
St. Mary CCD2.5%
Raywick CCD0.7%
Springfield CCD0.4%

Congressional districts

Congressional districtShare of ZIP residents
Kentucky's 1st congressional district (KY-01)92%
Kentucky's 2nd congressional district (KY-02)7.8%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (KY-01)James Comer (R)202-225-311592%
U.S. Representative (KY-02)Brett Guthrie (R)202-225-35017.8%
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 14)Jimmy Higdon (R)270-692-6945100%
State Representative (State House District 51)Sarge Pollock (R)92%
State Representative (State House District 50)Candy Massaroni (R)7.8%
State Representative (State House District 55)Kim King (R)0.4%

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 14100%

State house districtShare of ZIP residents
State House District 5192%
State House District 507.8%
State House District 550.4%

Voting precincts

5 voting precincts overlap ZIP 40037. 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:40037")

ZIP 40037 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.