ZIP code 63034: Old Jamestown, MO

ZIP code 63034 is in Old Jamestown, in St. Louis County, Missouri. It is in Missouri's 1st congressional district. Its state senate district is State Senate District 13; its state house district is State House District 67.

18,428residents (2020 Census)

18.7 sq miland area

1cities and towns

1congressional district

13voting precincts

See it on the map All of Missouri

City and county

City or town	Share of ZIP residents
Old Jamestown	100%

County	Share of ZIP residents
St. Louis County	100%

Town or county subdivision	Share of ZIP residents
Lewis and Clark township	53%
Spanish Lake township	47%

Congressional district

Congressional district	Share of ZIP residents
Missouri's 1st congressional district (MO-01)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (MO-01)	Wesley Bell (D)	202-225-2406	100%
U.S. Senator	Eric Schmitt (R)	202-224-5721 · contact form	statewide
U.S. Senator	Josh Hawley (R)	202-224-6154 · contact form	statewide
State Senator (State Senate District 13)	Angela Mosley (Democratic)		100%
State Representative (State House District 67)	Tonya Rush (Democratic)		100%
State Representative (State House District 66)	Marlene Terry (Democratic)		<0.1%

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

Old Jamestown website: http://www.oldjamestownassn.org
Old Jamestown laws: search for the Old Jamestown, Missouri code of ordinances
St. Louis County laws: search for the St. Louis County, Missouri code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 13	100%

State house district	Share of ZIP residents
State House District 67	100%
State House District 66	land only

Voting precincts

13 voting precincts overlap ZIP 63034. 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:63034")

ZIP 63034 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.