Jersey County
| Use attributes for filter ! | |
| Area | 9764 |
|---|---|
| Population | 21,941 (2017) |
| County seat | Jerseyville |
| Cities | Jerseyville |
| Grafton | |
| Fieldon | |
| Elsah | |
| Otterville | |
| Fidelity | |
| University | Principia College |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1013172 |
About Jersey County
Jersey County is a county located in the U. S. state of Illinois. According to the 2010 census, it has a population of 22,985. The county seat is Jerseyville. Jersey County is included in the St. Louis, MO-IL Metropolitan Statistical Area.
