Jersey County Post Offices

410 N Main St
Brighton, Illinois 62012

24443 Pine St
Dow, Illinois 62022

48 Mill St
Elsah, Illinois 62028

304 State St
Fidelity, Illinois 62030

110 E Main St
Fieldon, Illinois 62031

419 E Main St
Grafton, Illinois 62037

115 N Washington St
Jerseyville, Illinois 62052

Jersey County

There are 7 US Post Offices in Jersey County serving a total of 25,147 residents equating to 3,592 residents per post office. It's estimated that approximately 40,137 packages are handled across the 7 county post offices annually. 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."