Carroll County, Maryland Demographics 2026
Carroll County, Maryland has a population of 174,318, the 9th most populous county in Maryland. The median household income is $115,876 and the median home value is $406,400. The poverty rate is 5.3%.
Carroll County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 67 | National average: 60
Education
Educational Attainment (Adults 25+)
Explore Maryland Rankings
Population Overview
Carroll County is located in Maryland with a total population of 174,318. It is the 9th most populous county out of 24 in Maryland.
Age Demographics
The median age in Carroll County is 41.3 years. This is 5% higher than the state median of 39.3 years.
Economy, Income & Housing
The median household income in Carroll County is $115,876. This is 14% higher than the state median of $101,652. Compared to the national median of $78,538, household income here is 48% higher. The poverty rate stands at 5.3%. This is 43% lower than the state poverty rate of 9.3%. The unemployment rate is 3.2%. This is 35% lower than the state rate of 4.9%. The median home value is $406,400. Housing costs are 2% higher than the state median of $397,700. The home-value-to-income ratio is 3.5x. 83.9% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 67.5%.
Race & Ethnicity
Carroll County has a predominantly White (non-Hispanic) population, comprising 85.6% of all residents. Hispanic or Latino residents account for 4.8%. The White (non-Hispanic) population is significantly higher than the state average (85.6% vs 47.4%). The Black or African American population (3.9%) is well below the state average of 29.2%. The Hispanic or Latino population (4.8%) is well below the state average of 12.1%. The Asian population (2.3%) is well below the state average of 6.4%.
Education
39.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% lower than the state rate of 42.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.9%. Notably, 15.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Frequently Asked Questions
What is the population of Carroll County, Maryland?
Carroll County has a population of 174,318, making it the 9th most populous county in Maryland.
What is the median income in Carroll County?
The median household income in Carroll County is $115,876 with a poverty rate of 5.3%.
How many cities are in Carroll County, Maryland?
Carroll County contains 0 Census-designated places.