Boundary Atlas

ZIP code 63122: Kirkwood, MO

ZIP code 63122 is in Kirkwood (71% of residents), Glendale (15%), Warson Woods (4.9%), Oakland (3.4%) and Des Peres (3.0%), in St. Louis County, Missouri. It is in Missouri's 2nd congressional district (98%) and Missouri's 1st congressional district (1.7%). Its state senate districts are State Senate District 24 (92%), State Senate District 4 (5.0%) and State Senate District 1 (3.5%); its state house districts are State House District 90 (88%), State House District 99 (4.9%), State House District 96 (4.0%), State House District 89 (3.0%), State House District 98 (0.3%) and State House District 91 (0.2%).

41,319residents (2020 Census)
14.5 sq miland area
9cities and towns
2congressional districts
45voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Kirkwood71%
Glendale15%
Warson Woods4.9%
Oakland3.4%
Des Peres3.0%
Sunset Hills0.6%
Valley Park0.3%
Webster Groves0.1%
Rock Hill0.1%

CountyShare of ZIP residents
St. Louis County100%

Town or county subdivisionShare of ZIP residents
Bonhomme township69%
Jefferson township20%
Clayton township4.0%
Missouri River township2.9%
Gravois township2.3%
Queeny township1.7%

Congressional districts

Congressional districtShare of ZIP residents
Missouri's 2nd congressional district (MO-02)98%
Missouri's 1st congressional district (MO-01)1.7%

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)202-225-162198%
U.S. Representative (MO-01)Wesley Bell (D)202-225-24061.7%
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)92%
State Senator (State Senate District 4)Karla May (Democratic)5.0%
State Senator (State Senate District 1)Doug Beck (Democratic)3.5%
State Representative (State House District 90)Mark Boyko (Democratic)88%
State Representative (State House District 96)Brad Christ (R)4.0%
State Representative (State House District 89)George Hruza (R)3.0%
State Representative (State House District 98)Jaclyn Zimmermann (Democratic)0.3%
State Representative (State House District 91)Jo Doll (Democratic)0.2%

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 2492%
State Senate District 45.0%
State Senate District 13.5%

State house districtShare of ZIP residents
State House District 9088%
State House District 994.9%
State House District 964.0%
State House District 893.0%
State House District 980.3%
State House District 910.2%

Voting precincts

45 voting precincts overlap ZIP 63122. 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:63122")

ZIP 63122 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.