Boundary Atlas

ZIP code 43021: Genoa, OH

ZIP code 43021 is in Galena (6.2% of residents) and Sunbury (1.2%), in Delaware County, Ohio. 93% of its residents live outside city limits. It is in Ohio's 12th congressional district. Its state senate district is State Senate District 19; its state house districts are State House District 61 (73%) and State House District 60 (27%).

14,622residents (2020 Census)
38.9 sq miland area
2cities and towns
1congressional district
21voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Galena6.2%
Sunbury1.2%

CountyShare of ZIP residents
Delaware County100%

Town or county subdivisionShare of ZIP residents
Genoa township35%
Berkshire township25%
Berlin township24%
Harlem township13%
Orange township3.4%
Trenton township0.4%

Congressional district

Congressional districtShare of ZIP residents
Ohio's 12th congressional district (OH-12)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OH-12)Troy Balderson (R)202-225-5355100%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 19)Andrew Brenner (R)100%
State Representative (State House District 61)Beth Lear (R)73%
State Representative (State House District 60)Brian Lorenz (R)27%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 19100%

State house districtShare of ZIP residents
State House District 6173%
State House District 6027%

Voting precincts

21 voting precincts overlap ZIP 43021. Map them, with each precinct's share of the ZIP's residents.

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ZIP 43021 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.