Penobscot County's estimated 2026 population is 157,862 with a growth rate of 0.32% in the past year according to the most recent United States census data. Penobscot County is the 3rd largest county in Maine. The 2010 population was 153,864 and has seen a growth of 2.6% since that time.
Data after 2023 is projected based on recent change
The racial composition of Penobscot County includes 92.11% White, and smaller percentages for Asian, Black or African American, Native American, other race, Native Hawaiian or Pacific Islander and multiracial populations.
White (92.11%)
Two or more races (3.89%)
Asian (1.13%)
Black or African American (1.02%)
Native American (0.92%)
Other race (0.89%)
Native Hawaiian or Pacific Islander (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 141,450 | 92.11% |
| Two or more races | 5,970 | 3.89% |
| Asian | 1,737 | 1.13% |
| Black or African American | 1,563 | 1.02% |
| Native American | 1,414 | 0.92% |
| Other race | 1,366 | 0.89% |
| Native Hawaiian or Pacific Islander | 71 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Penobscot County's average per capita income is $44,520. Household income levels show a median of $63,248. The poverty rate stands at 13.55%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,642 | $119,791 |
| Families | $88,740 | $107,364 |
| Households | $63,248 | $84,825 |
| Non Families | $36,508 | $48,809 |
Average Income
Median Household Income
Poverty Rate
