The latitude and longitude of Jefferson County, Ohio is:

40° 21' 38" N

/ 80° 43' 33" W

Jefferson County, OH

State: Ohio

Country: United States

Latitude: 40.360701

Longitude: -80.72585

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Time zone at the center of Jefferson County: US/Eastern

Current time zone offset: UTC/GMT -4 hours

The current time and date at the center of Jefferson County is 6:49 PM on Friday, July 25, 2025. Search for a particular city within Jefferson County to find the local time in that city.

Map of Jefferson County, OH

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U.S. Counties

Travelmath provides a database of counties in the United States, marking the latitude and longitude of the center of each county. You can use this to look up the county of your home city, or explore surrounding counties in your state. Find out how far it is to drive to another county, or just browse the database for a research project.