| Official Name: | Brookfield Township, Trumbull County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Trumbull |
| Unit Pref: | Imperial |
| Area Total Km2: | 63.9 |
| Area Land Km2: | 63.7 |
| Area Water Km2: | 0.2 |
| Area Total Sq Mi: | 24.7 |
| Area Land Sq Mi: | 24.6 |
| Area Water Sq Mi: | 0.1 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 8447 |
| Population Density Km2: | 132.6 |
| Population Density Sq Mi: | 343.4 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [2] |
| Elevation M: | 324 |
| Elevation Ft: | 1063 |
| Coordinates: | 41.2333°N -80.5519°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 44403 |
| Area Code: | 330, 234 |
| Blank Name: | FIPS code |
| Blank Info: | 39-09190[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1087026 |
Brookfield Township is one of the twenty-four townships of Trumbull County, Ohio, United States. The 2020 census found 8,447 people in the township.
Located in the Southeastern part of the county, it borders the following townships and city:
The village of Yankee Lake is located in northern Brookfield Township, along with three census-designated places:
Statewide, the only other Brookfield Township is located in Noble County.
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,[4] 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.
Brookfield has a public library, a branch of the Warren-Trumbull County Public Library.[5]
Public education in the township is managed by Brookfield Local School District, which operates three schools:
All three schools are housed in a K-12 complex that held its first classes during the 2011–2012 academic year. As of the 2016–2017 academic year, 1,000 pupils attend the school district with a student-teacher ratio of 17:1.[6]
The township is served by WKBN-TV (CBS), WFMJ-TV (NBC), WYTV (ABC), WYFX-LD (Fox) and WBCB (CW), all broadcast from nearby Youngstown, OH.
The township is served by several AM radio stations, such as WLOA (1470 AM) (Farrell, PA), WPIC (790 AM) (Sharon, PA), WKBN (570 AM) (Youngstown, OH), and by several FM radio stations such as WYFM/"Y-103" (102.9 FM) (Yankee Lake, OH), WLLF/"The River" (96.7 FM) (Mercer, PA), WYLE/"Willie 95.1" (95.1 FM) (Grove City, PA), WMXY/"Mix 98.9" (98.9 FM) (Youngstown, OH) and WWIZ/"Z-104" (West Middlesex, PA), because of Brookfield's unique position along the Pennsylvania/Ohio border..
Brookfield Township is served by News on the Green, a monthly publication that focuses Brookfield, Yankee Lake, and Masury, The Herald (Sharon, PA), The Vindicator (Youngstown, OH), and the Tribune Chronicle (Youngstown, OH).