Pomeroy is a census-designated place (CDP) in Sadsbury Township, Chester County, Pennsylvania, United States.

[3] It was once the northern terminus of the Pomeroy and Newark Railroad until passenger service was terminated in 1928.

[4] Pomeroy is located at 39°57′51″N 75°53′11″W / 39.96417°N 75.88639°W / 39.96417; -75.88639[5] in the southeast corner of Sadsbury Township.

Pennsylvania Route 372 passes through the center of the village, connecting Coatesville 3 miles (5 km) to the east with Parkesburg 1 mile (1.6 km) to the west.

According to the United States Census Bureau, the CDP has a total area of 0.33 square miles (0.86 km2), of which 0.33 square miles (0.85 km2) is land and 0.004 square miles (0.01 km2), or 0.88%, is water.