Lake Township is one of the seventeen townships of Stark County, Ohio, United States. It is an urban township; the 2000 census found 25,892 people in the township, 23,718 of whom lived in the unincorporated portions of the township.GeographyLocated in the northern part of the county, it borders the following townships and cities: Suffield Township, Portage County - northRandolph Township, Portage County - northeastMarlboro Township - eastNimishillen Township - southeast cornerPlain Township - southLawrence Township - southwest cornerGreen - westSpringfield Township, Summit County - northwest Several populated places are located in Lake Township: The village of Hartville, in the northeastThe census-designated place of Greentown, in the southwestThe census-designated place of Uniontown, in the northwestThe unincorporated community of Mount Pleasant, in the southwestTwo other unincorporated communities straddle Lake Township's borders: Aultman, which overlaps into Green within the southwest portion of the township, and Cairo, which lies upon the township's southern border with Plain Township.