Boundary Atlas

ZIP code 45819: Buckland, OH

ZIP code 45819 is in Buckland, in Auglaize County, Ohio. It is in Ohio's 4th congressional district. Its state senate district is State Senate District 12; its state house district is State House District 78.

233residents (2020 Census)
0.3 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Buckland100%

CountyShare of ZIP residents
Auglaize County100%

Town or county subdivisionShare of ZIP residents
Logan township100%

Congressional district

Congressional districtShare of ZIP residents
Ohio's 4th congressional district (OH-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 12100%

State house districtShare of ZIP residents
State House District 78100%

Voting precincts

1 voting precinct overlap ZIP 45819. 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:45819")

ZIP 45819 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.