Boundary Atlas

ZIP code 43512: Defiance, OH

ZIP code 43512 is in Defiance (60% of residents) and Brunersburg (1.1%), in Defiance County (97%), Paulding County (3.3%) and Henry County (0.2%), Ohio. 38% of its residents live outside city limits. It is in Ohio's 9th congressional district. Its state senate district is State Senate District 1; its state house districts are State House District 82 (91%) and State House District 81 (8.6%).

28,208residents (2020 Census)
217.7 sq miland area
2cities and towns
1congressional district
27voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Defiance60%
Brunersburg1.1%

CountyShare of ZIP residents
Defiance County97%
Paulding County3.3%
Henry County0.2%

Town or county subdivisionShare of ZIP residents
Defiance township47%
Noble township21%
Richland township10%
Highland township7.7%
Tiffin township5.1%
Auglaize township3.2%
Adams township3.1%
Delaware township2.2%
Washington township0.1%
Ridgeville township0.1%
Emerald township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Ohio's 9th congressional district (OH-09)100%

Elected officials

OfficeMemberContactShare of residents
MayorMike McCann60%
U.S. Representative (OH-09)Marcy Kaptur (D)202-225-4146100%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 1)Rob McColley (R)100%
State Representative (State House District 82)Roy Klopfenstein (R)91%
State Representative (State House District 81)Jim Hoops (R)8.6%

From Wikidata (community-maintained); confirm on the city's website.

Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 8291%
State House District 818.6%

Voting precincts

27 voting precincts overlap ZIP 43512. Map them, with each precinct's share of the ZIP's residents.

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ZIP 43512 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.