Boundary Atlas

ZIP code 63124: Ladue, MO

ZIP code 63124 is in Ladue (78% of residents), University City (17%) and Clayton (2.6%), in St. Louis County, Missouri. It is in Missouri's 2nd congressional district (60%) and Missouri's 1st congressional district (40%). Its state senate districts are State Senate District 24 (78%), State Senate District 14 (18%) and State Senate District 4 (4.3%); its state house districts are State House District 99 (81%), State House District 86 (17%), State House District 91 (0.9%) and State House District 83 (0.8%).

11,375residents (2020 Census)
8.9 sq miland area
6cities and towns
2congressional districts
20voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Ladue78%
University City17%
Clayton2.6%
Rock Hill0.9%
Richmond Heights0.8%
Olivette0.2%

CountyShare of ZIP residents
St. Louis County100%

Town or county subdivisionShare of ZIP residents
Clayton township98%
University township1.6%
Creve Coeur township0.2%

Congressional districts

Congressional districtShare of ZIP residents
Missouri's 2nd congressional district (MO-02)60%
Missouri's 1st congressional district (MO-01)40%

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 (MO-02)Ann Wagner (R)202-225-162160%
U.S. Representative (MO-01)Wesley Bell (D)202-225-240640%
U.S. SenatorEric Schmitt (R)202-224-5721 · contact formstatewide
U.S. SenatorJosh Hawley (R)202-224-6154 · contact formstatewide
State Senator (State Senate District 24)Tracy McCreery (Democratic)78%
State Senator (State Senate District 14)Brian Williams (Democratic)18%
State Senator (State Senate District 4)Karla May (Democratic)4.3%
State Representative (State House District 86)Jeff Hales (Democratic)17%
State Representative (State House District 91)Jo Doll (Democratic)0.9%
State Representative (State House District 83)Ray Reed (Democratic)0.8%

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 2478%
State Senate District 1418%
State Senate District 44.3%

State house districtShare of ZIP residents
State House District 9981%
State House District 8617%
State House District 910.9%
State House District 830.8%

Voting precincts

20 voting precincts overlap ZIP 63124. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63124 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.