Jerome is located in Jerome County. About 12,349 people live here (as of 2020). Between 2010 and 2020, the population grew from 10,890 to 12,349. The region is at 1147 meters above sea level. The area covers about 14.4 square kilometers. There are about 321 streets in Jerome. The region was founded in 1907. The postal codes are 83338. The dialing code is 208. Jerome is city in and county seat of Jerome County, Idaho, United States. Among other things, Jerome has supermarkets, museums, schools, banks, hairdressers and pharmacies. More information at
www.ci.jerome.id.us.