Dellwood (also known as Delwood[3]) is an unincorporated census-designated place located in Adams County, Wisconsin, United States.

Dellwood is west of Friendship, in the town of Strongs Prairie.

[4] In the 1920s, a Chicago builder named Simon P. Linehan developed the area as a summer resort called “The Dellwood”.

Through his development company, Linehan purchased about 3,000 acres along the Wisconsin River two miles south of what was then the unincorporated village of Holmsville.

[5] As of the American Community Survey 5-year data in 2019, Dellwood had 525 people and 286 households.