Boundary Atlas

ZIP code 45844: Jennings, OH

ZIP code 45844 is in Fort Jennings (16% of residents), in Putnam County (94%), Allen County (3.4%) and Van Wert County (3.1%), Ohio. 84% of its residents live outside city limits. It is in Ohio's 9th congressional district (94%) and Ohio's 4th congressional district (6.5%). Its state senate districts are State Senate District 1 (97%) and State Senate District 12 (3.4%); its state house districts are State House District 82 (97%) and State House District 78 (3.4%).

3,251residents (2020 Census)
58.2 sq miland area
3cities and towns
2congressional districts
9voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Fort Jennings16%
Kalida0.2%
Ottoville0.2%

CountyShare of ZIP residents
Putnam County94%
Allen County3.4%
Van Wert County3.1%

Town or county subdivisionShare of ZIP residents
Jennings township54%
Monterey township17%
Union township10.0%
Jackson township9.8%
Marion township3.4%
Jackson township3.1%
Sugar Creek township2.5%

Congressional districts

Congressional districtShare of ZIP residents
Ohio's 9th congressional district (OH-09)94%
Ohio's 4th congressional district (OH-04)6.5%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 197%
State Senate District 123.4%

State house districtShare of ZIP residents
State House District 8297%
State House District 783.4%

Voting precincts

9 voting precincts overlap ZIP 45844. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:45844")

ZIP 45844 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.