Grantsburg is a CDP located in Crawford County, Indiana. Grantsburg has a 2026 population of 215. Grantsburg is currently growing at a rate of 6.44% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Grantsburg is 77.9 years: 0 years for males, and 79.1 years for females. For every 100 females there are 65.0 males.
Data after 2023 is projected based on recent change
Overall: 77.9 years
Female: 79.1 years
Male: 0 years
There are 66 adults, (56 of whom are seniors) in Grantsburg.
Female: 40 (60.6%)
Male: 26 (39.4%)
The racial composition of Grantsburg includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 66 | 100% |