Boundary Atlas

ZIP code 63549: La Plata, MO

ZIP code 63549 is in La Plata (48% of residents), in Macon County (85%), Adair County (15%) and Knox County (0.6%), Missouri. 52% of its residents live outside city limits. It is in Missouri's 6th congressional district. Its state senate district is State Senate District 18; its state house districts are State House District 6 (85%), State House District 4 (15%) and State House District 3 (0.5%).

2,594residents (2020 Census)
134.9 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
La Plata48%
South Gifford0.9%

CountyShare of ZIP residents
Macon County85%
Adair County15%
Knox County0.6%

Town or county subdivisionShare of ZIP residents
La Plata township59%
Richland township21%
Wilson township7.7%
Pettis township7.0%
Easley township2.7%
Johnston township1.7%
Salt River township0.4%
Shelton township0.2%
Independence township0.2%
Lyda township0.2%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 6th congressional district (MO-06)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-06)Sam Graves (R)202-225-7041100%
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 18)Cindy O'Laughlin (R)100%
State Representative (State House District 6)Ed Lewis (R)85%
State Representative (State House District 4)Greg Sharpe (R)15%
State Representative (State House District 3)Danny Busick (R)0.5%

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 18100%

State house districtShare of ZIP residents
State House District 685%
State House District 415%
State House District 30.5%

Voting precincts

5 voting precincts overlap ZIP 63549. Map them, with each precinct's share of the ZIP's residents.

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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:63549")

ZIP 63549 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.