McEwensville is a borough in Northumberland County, Pennsylvania, United States.

[4] According to the United States Census Bureau, the borough has a total area of 0.1 square miles (0.26 km2), all land.

There were 123 housing units at an average density of 1,282.1 per square mile (495.0/km2).

21.6% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older.

McEwensville has a five-member borough council that meets the first Wednesday of each month at 7:00 PM unless otherwise noted.