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

[4] Numidia is located in southern Columbia County at 40°52′42″N 76°24′18″W / 40.87833°N 76.40500°W / 40.87833; -76.40500 (40.878323, -76.404955),[5] in the west and center part of Locust Township.

[6] Numidia is 9 miles (14 km) south of Bloomsburg, the county seat, and is served by Pennsylvania Route 42.

Numidia's terrain consists of rolling hills, with the center of the community following a low ridgecrest.

About 5.5% of families and 6.4% of the population were below the poverty line, including 6.9% of those under the age of eighteen and 12.2% of those sixty five or over.

[11] The Bloomsburg University of Pennsylvania, with over 8,000 students, is the nearest college to Numidia.

February is the driest month in Numidia with 2 inches of precipitation on average.

June and September are the wettest months in Numidia with close to 5 inches of precipitation on average.