Boundary Atlas

ZIP code 40220: Louisville/Jefferson County metro government (balance), KY

ZIP code 40220 is in Louisville/Jefferson County metro government (balance) (40% of residents), Louisville (35%), Jeffersontown (12%), Hurstbourne Acres (5.7%), St. Regis Park (4.2%) and Houston Acres (1.4%), in Jefferson County, Kentucky. It is in Kentucky's 3rd congressional district. Its state senate districts are State Senate District 26 (50%), State Senate District 19 (45%) and State Senate District 36 (4.5%); its state house districts are State House District 31 (33%), State House District 41 (28%), State House District 34 (24%), State House District 46 (11%) and State House District 30 (4.4%).

34,315residents (2020 Census)
7.7 sq miland area
9cities and towns
1congressional district
31voting precincts

See it on the mapAll of Kentucky

City and county

City or townShare of ZIP residents
Louisville/Jefferson County metro government (balance)40%
Louisville35%
Jeffersontown12%
Hurstbourne Acres5.7%
St. Regis Park4.2%
Houston Acres1.4%
Meadowview Estates0.5%
Cambridge0.5%
Lincolnshire0.4%

CountyShare of ZIP residents
Jefferson County100%

Town or county subdivisionShare of ZIP residents
Southeast Jefferson CCD100%

Congressional district

Congressional districtShare of ZIP residents
Kentucky's 3rd congressional district (KY-03)100%

Elected officials

OfficeMemberContactShare of residents
MayorCraig Greenberg502-574-200335%
U.S. Representative (KY-03)Morgan McGarvey (D)202-225-5401100%
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 26)Karen Berg (Democratic)50%
State Senator (State Senate District 19)Cassie Armstrong (Democratic)45%
State Senator (State Senate District 36)Julie Adams (R)4.5%
State Representative (State House District 31)Susan Witten (R)33%
State Representative (State House District 41)Mary Lou Marzian (Democratic)502-541-137628%
State Representative (State House District 34)Sarah Stalker (Democratic)24%
State Representative (State House District 46)Al Gentry (Democratic)11%
State Representative (State House District 30)Daniel Grossberg (Democratic)4.4%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); 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 2650%
State Senate District 1945%
State Senate District 364.5%

State house districtShare of ZIP residents
State House District 3133%
State House District 4128%
State House District 3424%
State House District 4611%
State House District 304.4%

Voting precincts

31 voting precincts overlap ZIP 40220. 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:40220")

ZIP 40220 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.