Knox County's estimated 2026 population is 41,270 with a growth rate of 0.37% in the past year according to the most recent United States census data. Knox County is the 10th largest county in Maine. The 2010 population was 39,727 and has seen a growth of 3.88% since that time.
Data after 2023 is projected based on recent change
Overall: 49.5 years
Female: 51.9 years
Male: 47.3 years
There are 34,101 adults, (11,459 of whom are seniors) in Knox County.
Female: 20,433 (49.8%)
Male: 20,570 (50.2%)
The racial composition of Knox County includes 93.71% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 38,422 | 93.71% |
| Two or more races | 2,011 | 4.9% |
| Asian | 202 | 0.49% |
| Other race | 192 | 0.47% |
| Black or African American | 118 | 0.29% |
| Native American | 53 | 0.13% |
| Native Hawaiian or Pacific Islander | 5 | 0.01% |
Knox County's average per capita income is $43,612. Household income levels show a median of $74,096. The poverty rate stands at 8.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,678 | - |
| Families | $93,188 | $121,688 |
| Households | $74,096 | $99,101 |
| Non Families | $46,641 | $64,483 |
Average Income
Median Household Income
Poverty Rate
