Monticello is located in Aroostook County, Maine. Monticello has a 2025 population of 726. Monticello is currently declining at a rate of -0.41% annually and its population has decreased by -0.95% since the most recent census, which recorded a population of 733 in 2020.
The average household income in Monticello is $65,262 with a poverty rate of 18.8%. The median age in Monticello is 53.6 years: 55.8 years for males, and 52.6 years for females.
Data after 2023 is projected based on recent change
The racial composition of Monticello includes 89.43% White, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
White (89.4%)
Two or more races (6.5%)
Native American (2.6%)
Black or African American (0.7%)
Asian (0.7%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 609 | 89.43% |
| Two or more races | 44 | 6.46% |
| Native American | 18 | 2.64% |
| Black or African American | 5 | 0.73% |
| Asian | 5 | 0.73% |
Married
Widowed
Divorced
Separated
Never Married
Monticello's average per capita income is $45,441. Household income levels show a median of $56,771. The poverty rate stands at 18.8%.
Name | Median | Mean |
|---|---|---|
| Married Families | $63,750 | - |
| Families | $58,906 | $70,292 |
| Households | $56,771 | $65,262 |
| Non Families | $48,750 | $57,428 |
Average Income
Median Household Income
Poverty Rate