Allegany County's 2026 population is estimated at 66,699, reflecting a -0.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Allegany County is the 16th largest county in Maryland. The 2010 population was 74,968 and has grown -11.03% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 43.8 years
Male: 40 years
There are 55,420 adults, (14,262 of whom are seniors) in Allegany County.
Female: 32,175 (47.7%)
Male: 35,277 (52.3%)
The racial composition of Allegany County includes 86.62% White, 6.87% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 58,427 | 86.62% |
| Black or African American | 4,633 | 6.87% |
| Two or more races | 3,035 | 4.5% |
| Asian | 708 | 1.05% |
| Other race | 466 | 0.69% |
| Native American | 155 | 0.23% |
| Native Hawaiian or Pacific Islander | 28 | 0.04% |
Allegany County 's average per capita income is $44,782. Household income levels show a median of $59,603. The poverty rate stands at 16.85%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $89,074 | $104,834 |
| Families | $72,219 | $90,893 |
| Households | $59,603 | $74,712 |
| Non Families | $36,231 | $49,857 |
Average Income
Median Household Income
Poverty Rate