Britannica AI Icon
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Macomb

Illinois, United States
Also known as: Washington

Macomb, city, seat (1830) of McDonough county, western Illinois, U.S. It lies along the East Fork La Moine River, about 65 miles (105 km) southwest of Peoria. Settled in 1829 by John Baker, a Baptist minister, and originally called Washington, it was renamed the following year for General Alexander Macomb, an officer in the War of 1812. The city is the seat of Western Illinois University (founded 1899). The local economy is based on the university, light manufacturing (pottery, porcelain products, and roller bearings), and agriculture (corn [maize] and soybeans). Popular local events are Heritage Days (June), the Balloon Rally (September), and Dickens on the Square (December). Argyle Lake State Park is to the west. Inc. town, 1841; city, 1856. Pop. (2000) 18,558; (2010) 19,288.

This article was most recently revised and updated by Amy Tikkanen.
Discover the fascinating events that shaped the world, straight from our editors.
By clicking “Sign Up”, you consent to the Britannica Privacy Policy and Terms of Use.