Dillonvale is a cdp located in Jefferson County, in the state of Ohio (OH), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 0.4 square miles (1.0 km²) and sits at an elevation of 750 ft. With a population of approximately 3,716 residents, Dillonvale offers a peaceful, rural atmosphere.
The town's population is composed of about 9.82% males and 90.18% females, and it has a population density of N/A (N/A). Dillonvale lies at a latitude of 40.2 and a longitude of -80.77, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (6.4%), German (12%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 43917.