Gillett Grove is a city located in Clay County, Iowa. Gillett Grove has a 2025 population of 31 . Gillett Grove is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 31 in 2020.
The median age in Gillett Grove is 45.4 years: 64.7 years for males, and 7.9 years for females. For every 100 females there are 94.4 males.
Data after 2023 is projected based on recent change
The racial composition of Gillett Grove includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 35 | 100% |
Married
Widowed
Divorced
Separated
Never Married