Boundary Atlas

ZIP code 63627: Bloomsdale, MO

ZIP code 63627 is in Bloomsdale (22% of residents), in Ste. Genevieve County (93%) and Jefferson County (7.5%), Missouri. 78% of its residents live outside city limits. It is in Missouri's 8th congressional district. Its state senate district is State Senate District 3; its state house districts are State House District 145 (93%) and State House District 115 (7.5%).

2,938residents (2020 Census)
73.0 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Bloomsdale22%

CountyShare of ZIP residents
Ste. Genevieve County93%
Jefferson County7.5%

Town or county subdivisionShare of ZIP residents
Jackson township93%
Plattin township7.5%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 8th congressional district (MO-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-08)Jason Smith (R)202-225-4404100%
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 3)Mike Henderson (R)100%
State Representative (State House District 145)Bryant Wolfin (R)93%
State Representative (State House District 115)Bill Lucas (R)7.5%

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 3100%

State house districtShare of ZIP residents
State House District 14593%
State House District 1157.5%

Voting precincts

3 voting precincts overlap ZIP 63627. 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:63627")

ZIP 63627 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.