|Elevation||676 ft (206 m)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||407021|
DeLong (also called De Long or Delong) is an unincorporated community in Orange Township, Knox County, Illinois, United States. DeLong is located on County Route 5, 5.2 miles (8.4 km) east of Abingdon.
DeLong was laid out in 1882, and named in memory of George W. DeLong (1844–1881), a United States Navy officer and explorer. A post office opened at DeLong in 1883, and remained in operation until 1969.
- "DeLong". Geographic Names Information System. United States Geological Survey.
- General Highway Map: Knox County, Illinois (PDF) (Map). Illinois Department of Transportation. 2010. Archived from the original (PDF) on 2011-09-27. Retrieved March 3, 2013.
- Callary, Edward (29 September 2008). Place Names of Illinois. University of Illinois Press. p. 91. ISBN 978-0-252-09070-7.
- "Knox County". Jim Forte Postal History. Archived from the original on 5 March 2016. Retrieved 4 November 2015.
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