| Official Name: | Clay Township, Montgomery County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Montgomery |
| Unit Pref: | Imperial |
| Area Total Km2: | 98.0 |
| Area Land Km2: | 98.0 |
| Area Water Km2: | 0.0 |
| Area Total Sq Mi: | 37.8 |
| Area Land Sq Mi: | 37.8 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2020 |
| Population Total: | 8876 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 320 |
| Elevation Ft: | 1050 |
| Coordinates: | 39.8642°N -84.4164°W |
| Blank Name: | FIPS code |
| Blank Info: | 39-15518[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1086665 |
Clay Township is one of the nine townships of Montgomery County, Ohio, United States. As of the 2020 census the population was 8,876.[3]
Located in the northwestern corner of the county, it borders the following townships and cities:
It is the only township in the county with a border on Darke County.
Three municipalities are located in Clay Township:
The following unincorporated communities are located in Clay Township:
Fire & Emergency Medical Service throughout Clay Township is available under contract with the following full service departments (arranged by order of size of catchment area):
Clay Township maintains a full-service police force with an enforcement area throughout unincorporated areas of the township. Brookville and Phillipsburg also have a dedicated police force for their respective communities.
The township is served by the following public school districts:
Interstate 70 crosses Clay Township east-west in the south and the National Road (US-40) crosses east–west just north of I-70. OH-49, also known as Dayton-Greenville Pike is a main north–south connector from Greenville to the north in Darke County to I-70.
Clay Township has established a Joint Economic Development District (a "JEDD") with the neighboring city of Clayton at the intersection of Interstate 70 and OH-49.
Established on June 8, 1825. It is one of nine Clay Townships statewide.[4] It is named after the statesman Henry Clay.
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,[5] 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.