Carroll County, Maryland

Carroll County, Maryland, had an estimated population of 176,677 in 2025 across 1,159 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Maryland's counties and nationally.

Population
176,677
2025 estimate
Area
1,159 km²
Density
152
per km²
Median income
$118,211
household, ACS 2024
Median age
41.3
years, ACS 2024
How Maryland's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202492.5%
Median Gross Rent2024$1,427
Median Home Value2024$434,000
Owner-Occupied Homes202484.3%
Vacant Homes20243.7%
Demography
IndicatorValue
Aged 65 and Over202417.9%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20242.4%
Average Household Size2024people2.7
Black, non-Hispanic20244.0%
Foreign-Born20245.5%
Hispanic or Latino20245.1%
Median Age2024years41.3
Sex Ratio2024per 1,000 males1,011
Speak a Language Other Than English20246.9%
Under 18202422.0%
Veterans20247.5%
White, non-Hispanic202484.5%
Economy
IndicatorValue
Below Poverty Line20245.2%
Households on SNAP20245.2%
Income Inequality2024index0.403
Median Household Income2024$118,211
Per Capita Income2024$53,124
Unemployment Rate20243.5%
Education
IndicatorValue
Bachelor's Degree or Higher202440.7%
High School or Higher202495.3%
Health Coverage
IndicatorValue
No Health Insurance20242.9%
With a Disability202412.4%
Population & Density
IndicatorValue
Population2025176,677
Population Density2025/km²152
Work & Commute
IndicatorValue
Commute by Public Transit20240.3%
Households with No Vehicle20243.3%
Mean Commute Time2024minutes34.4
Work from Home202417.3%
Compare Carroll County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.