Kirby is located in Caledonia County, Vermont. Kirby has a 2025 population of 586 . Kirby is currently declining at a rate of -0.17% annually but its population has increased by 1.91% since the most recent census, which recorded a population of 575 in 2020.
The average household income in Kirby is $95,191 with a poverty rate of 19.18%. The median age in Kirby is 38.7 years: 38.7 years for males, and 39 years for females. For every 100 females there are 117.2 males.
Data after 2023 is projected based on recent change
The racial composition of Kirby includes 93.69% White, and smaller percentages for other race, Asian and multiracial populations.
White (93.69%)
Two or more races (4.83%)
Other race (1.11%)
Asian (0.37%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 757 | 93.69% |
| Two or more races | 39 | 4.83% |
| Other race | 9 | 1.11% |
| Asian | 3 | 0.37% |
Married
Widowed
Divorced
Separated
Never Married
Kirby's average per capita income is $29,564. Household income levels show a median of $58,571. The poverty rate stands at 19.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $70,833 | - |
| Families | $58,750 | $93,240 |
| Households | $58,571 | $95,191 |
| Non Families | $37,708 | $86,271 |
Average Income
Median Household Income
Poverty Rate