Carroll County's 2026 population is estimated at 176,564, reflecting a -0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Carroll County is the 10th largest county in Maryland. The 2010 population was 167,230 and has grown 5.58% since 2010.
Overall: 41.3 years
Female: 42.7 years
Male: 40 years
There are 136,686 adults, (31,453 of whom are seniors) in Carroll County.
Female: 88,146 (50.3%)
Male: 87,175 (49.7%)
The racial composition of Carroll County includes 85.85% White, 4.07% 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 | 150,514 | 85.85% |
| Two or more races | 9,161 | 5.23% |
| Black or African American | 7,135 | 4.07% |
| Asian | 4,207 | 2.4% |
| Other race | 3,886 | 2.22% |
| Native American | 382 | 0.22% |
| Native Hawaiian or Pacific Islander | 36 | 0.02% |
Carroll County 's average per capita income is $71,673. Household income levels show a median of $118,211. The poverty rate stands at 5.21%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $156,905 | $177,843 |
| Families | $141,767 | $163,997 |
| Households | $118,211 | $142,587 |
| Non Families | $53,995 | $73,692 |
Average Income
Median Household Income
Poverty Rate