Boundary Atlas

ZIP code 42133: Monroe County, KY

ZIP code 42133 is in Fountain Run (14% of residents), in Monroe County (47%), Barren County (35%) and Allen County (18%), Kentucky. 86% of its residents live outside city limits. It is in Kentucky's 1st congressional district (65%) and Kentucky's 2nd congressional district (35%). Its state senate districts are State Senate District 16 (65%) and State Senate District 9 (35%); its state house districts are State House District 21 (47%), State House District 23 (35%) and State House District 22 (18%).

1,536residents (2020 Census)
77.1 sq miland area
1cities and towns
2congressional districts
4voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Fountain Run14%

CountyShare of ZIP residents
Monroe County47%
Barren County35%
Allen County18%

Town or county subdivisionShare of ZIP residents
Fountain Run CCD47%
Tracy CCD35%
Holland CCD18%

Congressional districts

Congressional districtShare of ZIP residents
Kentucky's 1st congressional district (KY-01)65%
Kentucky's 2nd congressional district (KY-02)35%

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)202-225-311565%
U.S. Representative (KY-02)Brett Guthrie (R)202-225-350135%
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 16)Max Wise (R)65%
State Senator (State Senate District 9)David Givens (R)35%
State Representative (State House District 21)Amy Neighbors (R)47%
State Representative (State House District 23)Steve Riley (R)35%
State Representative (State House District 22)Shawn McPherson (R)18%

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 1665%
State Senate District 935%

State house districtShare of ZIP residents
State House District 2147%
State House District 2335%
State House District 2218%

Voting precincts

4 voting precincts overlap ZIP 42133. 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:42133")

ZIP 42133 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.