Jerome County is a county located in the U.S. state of Idaho. As of the most recent data available, the county has a population of approximately 18,342 people, with a population density of about 30.57 persons per square mile.
The county spans a total land area of 600.00 square miles (1,554.00 square kilometers). The administrative center and county seat is Jerome, which often serves as a hub for local governance and services. The largest city within the county by population is Jerome.
Geographically, Jerome County experiences varied elevations, with its highest point at Hunt 3,955 ft and its lowest point at Jerome 3,765 ft. The region operates in the UTC-7.