Logan Township is a township that is located in Clinton County, Pennsylvania, United States. The population was 872 at the time of the 2020 census.

The Logan Mills Covered Bridge and Logan Mills Gristmill are listed on the National Register of Historic Places.

Logan Township is located in southern Clinton County and is bordered to the south by Centre County. According to the United States Census Bureau, the township has a total area of 24.2 square miles (62.8 km), of which 24.2 square miles (62.6 km) is land and 0.08 square miles (0.2 km), or 0.32%, is water.

Historical population

Census	Pop.	Note	%±
1980	737		—
1990	730		−0.9%
2000	773		5.9%
2010	817		5.7%
2020	872		6.7%
2021 (est.)	874		0.2%
source:

As of the census of 2000, there were 773 people, 265 households, and 215 families residing in the township.

The population density was 32.2 inhabitants per square mile (12.4/km). There were 338 housing units at an average density of 14.1/sq mi (5.4/km).

The racial makeup of the township was 98.45% White, 0.26% African American, 0.26% Native American, 0.13% Asian, and 0.91% from two or more races. Hispanic or Latino of any race were 1.42% of the population.

There were 265 households, out of which 35.8% had children under the age of eighteen living with them; 69.4% were married couples living together, 7.5% had a female householder with no husband present, and 18.5% were non-families. 15.1% of all households were made up of individuals, and 9.1% had someone living alone who was sixty-five years of age or older.

The average household size was 2.92 and the average family size was 3.20.

Within the township, the population was spread out, with 28.8% of residents who were under the age of eighteen, 9.1% who were aged eighteen to twenty-four, 27.0% who were aged twenty-five to forty-four, 20.4% from forty-five to sixty-four, and 14.6% who were sixty-five years of age or older. The median age was thirty-six years.

For every one hundred females, there were 100.8 males. For every one hundred females who were aged eighteen or older, there were 99.3 males.

The median income for a household in the township was $31,389, and the median income for a family was $34,688. Males had a median income of $28,250 compared with that of $19,167 for females.

The per capita income for the township was $13,939.

Approximately 7.1% of families and 11.9% of the population were living below the poverty line, including 19.4% of those who were under the age of eighteen and 1.8% of those who were aged sixty-five or older.

40°58′30″N 77°30′00″W / 40.97500°N 77.50000°W / 40.97500; -77.50000