Yeagertown is a census-designated place (CDP) in Mifflin County, Pennsylvania, United States.

[1] According to the United States Census Bureau, the CDP has a total area of 0.5 square miles (1.3 km2), all land.

As of the census[2] of 2000, there were 1,035 people, 416 households, and 299 families residing in the CDP.

There were 449 housing units at an average density of 963.5 per square mile (372.0/km2).

24.3% of all households were made up of individuals, and 14.7% had someone living alone who was 65 years of age or older.