Dewey is a CDP located in Champaign County, Illinois. Dewey has a 2025 population of 159. Dewey is currently growing at a rate of 7.43% annually and its population has increased by 76.67% since the most recent census, which recorded a population of 90 in 2020.
The median age in Dewey is 40.3 years: 0 years for males, and 40.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Dewey includes 100% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 71 | 100% |
Married
Widowed
Divorced
Separated
Never Married