Quincy is located in Greenwood County, Kansas. Quincy has a 2025 population of 123 . Quincy is currently declining at a rate of -0.81% annually and its population has decreased by -1.6% since the most recent census, which recorded a population of 125 in 2020.
The median age in Quincy is 57.1 years: 57.7 years for males, and 56.4 years for females. For every 100 females there are 61.4 males.
Data after 2023 is projected based on recent change
The racial composition of Quincy includes 61.95% White, 23.01% Native American, and smaller percentages for and multiracial populations.
White (61.95%)
Native American (23.01%)
Two or more races (15.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 70 | 61.95% |
| Native American | 26 | 23.01% |
| Two or more races | 17 | 15.04% |
Married
Widowed
Divorced
Separated
Never Married