Sheakleyville is a borough in northern Mercer County, Pennsylvania, United States.

[6] According to the United States Census Bureau, the borough has a total area of 0.2 square miles (0.52 km2), all land.

The racial makeup of the borough was 98.17% White, 0.61% Native American, and 1.22% from two or more races.

20.0% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older.

About 4.1% of families and 9.5% of the population were below the poverty line, including 16.2% of those under the age of eighteen and 18.8% of those sixty five or over.