| Official Name: | Jefferson Township, Ashtabula County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Ashtabula |
| Unit Pref: | Imperial |
| Area Total Km2: | 67.0 |
| Area Land Km2: | 66.7 |
| Area Water Km2: | 0.3 |
| Population As Of: | 2020 |
| Population Total: | 5317 |
| Population Density Km2: | 78.8 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 276 |
| Elevation Ft: | 906 |
| Coordinates: | 41.7447°N -80.7628°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 44047 |
| Area Code: | 440 |
| Blank Name: | FIPS code |
| Blank Info: | 39-38514[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1085729 |
Jefferson Township is one of the twenty-seven townships of Ashtabula County, Ohio, United States. The population was 5,317 at the 2020 census.[3]
Located in the central part of the county, it borders the following townships:
The village of Jefferson, the county seat of Ashtabula County, is located in central Jefferson Township.
It is one of twenty-four Jefferson Townships statewide.[4]
The township was first settled in 1805 by former Connecticut resident Michael Webster.[5]
The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1. Two are elected in the year after the presidential election and one is elected in the year before it. There is also an elected township fiscal officer,[6] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election. Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees. Currently, the board is composed of chairwoman Charlene Kusar and members Martha Demshar and John Wayman.[5]