Aberdeen is a census-designated place (CDP) in Center Township, Porter County, in the U.S. state of Indiana.

[2] The community centers on The Course at Aberdeen, a golf course.

The population of the CDP was 2,117 as of the 2020 census, up from 1,875 in the 2010 census.

[4] Aberdeen is located southwest of Valparaiso, the county seat.

According to the United States Census Bureau, the CDP has a total area of 1.3 square miles (3.3 km2), all land.