Madison County Post Offices

506 E Main St
Alhambra, Illinois 62001

115 W Central St
Bethalto, Illinois 62010

1610 Eastport Plaza Dr
Collinsville, Illinois 62234

36 W Macarthur Dr
Cottage Hills, Illinois 62018

4611 Seiler Rd
Dorsey, Illinois 62021

200 Smith Ave
East Alton, Illinois 62024

132 N Kansas St Fl 1
Edwardsville, Illinois 62025

105 N Main St
Glen Carbon, Illinois 62034

400 Tolle Ln
Godfrey, Illinois 62035

143 W State St
Hamel, Illinois 62046

100 W Cherry St
Hartford, Illinois 62048

801 Main St
Highland, Illinois 62249

301 S Livingston Ave
Livingston, Illinois 62058

549 Madison Ave
Madison, Illinois 62060

120 E Magnolia St
Marine, Illinois 62061

1 Oak Dr
Maryville, Illinois 62062

31 N Main St
Moro, Illinois 62067

3236 Nameoki Rd
Granite City, Illinois 62040

113 N Main St
New Douglas, Illinois 62074

309 N Douglas St
Saint Jacob, Illinois 62281

215 Sinclair Ave
South Roxana, Illinois 62087

515 Edwardsville Rd
Troy, Illinois 62294

1624 Main St
Alton, Illinois 62002

408 Broadway
Venice, Illinois 62090

161 E Ferguson Ave
Wood River, Illinois 62095

101 E Wall St
Worden, Illinois 62097

Madison County

There are 26 US Post Offices in Madison County serving a total of 271,743 residents equating to 10,452 residents per post office. It's estimated that approximately 433,732 packages are handled across the 26 county post offices annually. Madison County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 269,282. The county seat is Edwardsville, and its largest city is Granite City. Madison County is part of the Metro-East region of the St. Louis, MO-IL Metropolitan Statistical Area. The pre-Columbian city of Cahokia Mounds a World Heritage Site was located near Collinsville. Edwardsville is home to Southern Illinois University Edwardsville. To the north, Alton is known for its abolitionist and American Civil War-era history. It is also the home of Southern Illinois University Dental School."