Oldham County is a county located in the U.S. state of Kentucky. As of the most recent data available, the county has a population of approximately 46,178 people, with a population density of about 244.33 persons per square mile.
The county spans a total land area of 189.00 square miles (490.00 square kilometers). The administrative center and county seat is La Grange, which often serves as a hub for local governance and services. The largest city within the county by population is La Grange.
Geographically, Oldham County experiences varied elevations, with its highest point at La Grange 867 ft and its lowest point at Crestwood 0 ft. The region operates in the UTC-5.