Website: www.jerseyville-il.us. Jerseyville is a city in Jersey County, Illinois, United States. As of the 2010 U.S. census, the city had a total population of 8,465. It is the county seat of Jersey County, and is the largest city in the county.
well-known. adj. 1. Widely known; familiar or famous: a well-known performer. 2. Fully known: well-known facts.
popular adjective (LIKED) A2 liked, enjoyed, or supported by many people: She's the most popular teacher in school. That song was popular with people from my father's generation. Walking is a popular form of exercise in Britain.