Gwillimsville was a settlement at the head of Cherry Creek and six miles east of Monument in northern El Paso County, Colorado. Its settlers were engaged in dairy, ranching, and timber businesses. It had a rural post office from 1878 to 1890.
- George A. Crofutt (1885). Crofutt's Grip-sack Guide of Colorado: A Complete Encyclopedia of the State. Overland Publishing Company. p. 102.
- "Place Names of Colorado" (PDF). Denver Public Library. p. 278. Retrieved July 20, 2018.