Boundary Atlas

ZIP code 63458: Newark, MO

ZIP code 63458 is in Newark (39% of residents), in Knox County, Missouri. 61% 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 district is State House District 4.

138residents (2020 Census)
27.3 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Newark39%

CountyShare of ZIP residents
Knox County100%

Town or county subdivisionShare of ZIP residents
Fabius township99%
Bourbon township0.7%

Congressional district

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

Members of Congress

OfficeMemberContact
U.S. Representative (MO-06)Sam Graves (R)202-225-7041
U.S. SenatorEric Schmitt (R)202-224-5721 · contact form
U.S. SenatorJosh Hawley (R)202-224-6154 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 18100%

State house districtShare of ZIP residents
State House District 4100%

Voting precincts

1 voting precinct overlap ZIP 63458. Map them, with each precinct's share of the ZIP's residents.

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ZIP 63458 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.