Grantsville is located in Linn County, Missouri. Grantsville has a 2025 population of 264 . Grantsville is currently growing at a rate of 1.15% annually and its population has increased by 1.93% since the most recent census, which recorded a population of 259 in 2020.
The average household income in Grantsville is $79,103 with a poverty rate of 0%. The median age in Grantsville is 31.6 years: 45.3 years for males, and 16.7 years for females. For every 100 females there are 103.3 males.
Data after 2023 is projected based on recent change
The racial composition of Grantsville includes 99.2% White, and smaller percentages for Two or more races and multiracial populations.
White (99.2%)
Two or more races (0.8%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 248 | 99.2% |
| Two or more races | 2 | 0.8% |
Married
Widowed
Divorced
Separated
Never Married
Grantsville's average per capita income is $36,250. Household income levels show a median of $70,833. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $88,125 | $99,760 |
| Married Families | $71,250 | - |
| Households | $70,833 | $79,103 |
| Non Families | $36,333 | $46,050 |
Average Income
Median Household Income
Poverty Rate