List of United States post offices in Illinois

United States post offices operate under the authority of the United States Post Office Department (1792–1971) or the United States Postal Service (since 1971). Historically, post offices were usually placed in a prominent location. Many were architecturally distinctive, including notable buildings featuring Beaux-Arts, Art Deco, and Vernacular architecture. However, modern U.S. post offices were generally designed for functionality rather than architectural style.

Following is a list of United States post offices in Illinois. Notable post offices include individual buildings, whether still in service or not, which have architectural, historical, or community-related significance. Many of these are listed on the National Register of Historic Places (NRHP) or state and local historic registers.

Post officeCityDate builtImageArchitectNotesUnited States Post Office-AbingdonAbingdon1939–1940Louis A. Simon, Neal A. MelickUnited States Post Office-AlbionAlbion1939–1940United States Post Office-AnnaAnna1937United States Post Office (Belvidere, Illinois)Belvidere1911James Knox TaylorGrove, Jan. "United States Post Office", (PDF), National Register of Historic Places Registration Form, July 26, 1999, Illinois Historic Preservation Agency, accessed May 16, 2008.United States Post Office-BerwynBerwyn1940–1941Louis A. Simon, Neal A. MelickUnited States Post Office-BradleyBradley1937–1938United States Post Office (Carmi, Illinois)Carmi1938Louis A. Simon, Neal A. MelickUnited States Post Office (Carthage, Illinois)Carthage1934Louis A. Simon, George O. Von NertaUnited States Post Office (Carlyle, Illinois)Carlyle1941United States Post Office (Champaign, Illinois)Champaign1905James Knox TaylorUnited States Post Office (Chester, Illinois)Chester1938Louis A. Simon, Neal A. Melick, Harry B. CarterEnglewood Station Post Office (Chicago Illinois)Chicago1938Louis A. Simon, Neal A. Melick, Howard Lovewell CheneyKedzie-Grace Post Office (Chicago, Illinois)Chicago1936Louis A. Simon, Neal A. MelickLakeview Station Post Office (Chicago Illinois)Chicago1937Louis A. SimonLincoln Park Station Post Office (Chicago Illinois)Chicago1935Louis A. SimonLogan Square Station Post Office (Chicago Illinois)Chicago1933John C. Bollenbacher, Louis A. Simon, Neal A. MelickMorgan Park Post Office (Chicago Illinois)Chicago1936Louis A. Simon, Neal A. Melick, Howard Lovewell CheneyUnited States Custom House, Court House, and Post OfficeChicago1878Alfred B. MullettOld Chicago Main Post OfficeChicago1921Graham, Anderson, Probst & WhiteRoseland Station Post Office (Chicago, Illinois)ChicagoStockyard Station Post OfficeChicago1939Louis A. SimonUptown Post Office – ChicagoChicago1939Louis A. Simon, Neal A. Melick, Howard Lovewell CheneyUnited States Post Office (Chillicothe, Illinois)Chillicothe1940Louis A. Simon, Neal A. MelickUnited States Post Office (Clinton, Illinois)Clinton1937Louis A. Simon, Neal A. MelickUnited States Post Office and Court House (Danville, Illinois)Danville1911James Knox TaylorUnited States Post Office (Decatur, Illinois)Decatur1934Louis A. Simon, George O. Von Nerta, Brooks-Bramhall & DagueUnited States Post Office (Des Plaines Illinois)Des Plaines1940–1941Louis A. Simon, Neal A. MelickUnited States Post Office (Downers Grove, Illinois)Downers Grove1938Louis A. Simon, Neal A. Melick, Harry B. CarterUnited States Post Office (Dwight, Illinois)Dwight1936Louis A. Simon, Neal A. MelickUnited States Post Office (East Alton, Illinois)East Alton1934Louis A. Simon, George O. Von NertaUnited States Post Office and Courthouse, now Melvin Price Federal Building and United States Courthouse East St. Louis1908–1909James Knox TaylorUnited States Post Office (Eldorado, Illinois)Eldorado1935United States Post Office (Elmhurst, Illinois)Elmhurst1935Lorimer Rich, Louis A. Simon, Neal A. Melick, Childs and SmithUnited States Post Office (Evanston, Illinois)Evanston1938United States Post Office (Fairfield, Illinois)Fairfield1934Louis A. Simon, George O. Von NertaUnited States Post Office (Flora, Illinois)Flora1936Lorimer Rich, Louis A. Simon, Neal A. MelickUnited States Post Office (Forest Park, Illinois)Forest Park1937Louis A. Simon, Neal A. MelickUnited States Post Office and Customhouse (Galena, Illinois)Galena1858unknoqnUnited States Post Office (Galesburg, Illinois)Galesburg1936–1937Louis A. Simon, Neal A. Melick, Aldrich and Aldrich Architects, United States Post Office (Geneva, Illinois)Geneva1938Lorimer Rich, Louis A. Simon, Neal A. MelickUnited States Post Office (Gibson City, Illinois)Gibson City1938Louis A. Simon, Neal A. MelickUnited States Post Office (Gillespie, Illinois)Gillespie1935United States Post Office (Herrin, Illinois)Herrin1935United States Post Office (Joliet, Illinois)Joliet1903James Knox TaylorUnited States Post Office (Kankakee, Illinois)Kankakee1939Louis A. Simon, Neal A. MelickUnited States Post Office (Lemont, Illinois)Lemont1937United States Post Office (Lewistown, Illinois)Lewistown1939–1940United States Post Office (Madison, Illinois)Madison1937United States Post Office (Mattoon, Illinois)Mattoon1913James Knox TaylorUnited States Post Office (Moline, Illinois)Moline1934William H. Schulzke, Louis A. Simon, Neal A. MelickUnited States Post Office (Monticello, Illinois)Monticello1934Louis A. Simon, George O. Von NertaUnited States Post Office (Morrison, Illinois)Morrison1934Louis A. Simon, George O. Von NertaUnited States Post Office-Morton, now Morton Municipal Building and Village HallMorton1937Louis A. Simon, Neal A. MelickUnited States Post Office (Mount Carroll, Illinois)Mount Carroll1940United States Post Office (Mount Morris, Illinois)Mount Morris1936–1937Mount Pulaski CourthouseMount Pulaski1847unknownUnited States Post Office (Mount Sterling, Illinois)Mount Sterling1940Washington Street Station Post Office (Naperville, Illinois)Naperville1939–1940United States Post Office (Nokomis, Illinois)Nokomis1941United States Post Office (Normal, Illinois)Normal1935Louis A. Simon, Neal A. MelickUnited States Post Office (Oak Park, Illinois)Oak Park1935–1936Charles E. White Jr.United States Post Office (Oregon, Illinois)Oregon1938Louis A. Simon, Neal A. MelickUnited States Post Office and Courthouse (Peoria, Illinois)Peoria1937–1938Howard Lovewell Cheney, Louis A. SimonUnited States Post Office (Pittsfield, Illinois)Pittsfield1935Louis A. Simon, Neal A. MelickUnited States Post Office and Courthouse (Quincy, Illinois)Quincy1887Mifflin E. BellUnited States Post Office (Rock Falls, Illinois)Rock Falls1937–1938United States Post Office (Rushville, Illinois)Rushville1938United States Post Office (Shelbyville, Illinois)Shelbyville1940United States Post Office (Staunton, Illinois)Staunton1938United States Post Office (Sycamore, Illinois)Sycamore1914–1915United States Post Office (Vandalia, Illinois)Vandalia1935United States Post Office (Virden, Illinois)VirdenLouis A. Simon, Neal A. MelickUnited States Post Office (White Hall, Illinois)White Hall1937–1938United States Post Office (Wilmette, Illinois)Wilmettec. 1938United States Post Office (Wood River, Illinois)Wood River1934Louis A. Simon, George O. Von Nerta

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