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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

Population 174,318
Median Household Income $115,876
Median Home Value $406,400
Poverty Rate 5.3%
Unemployment Rate 3.2%
Median Age 41.3 years
Homeownership Rate 83.9%
Affordability Ratio 3.5x
Bachelor's Degree+ 39.7%
High School Graduation 94.9%
Cities/Places 0
Population 174,318 9th of 24
Median Income $115,876 14% higher state
Poverty Rate 5.3%
Unemployment 3.2%

Economy & Housing

Employment

3.2% Unemployment Rate State: 4.9% | National: 5.2%
67.6% Labor Force Participation

Housing Overview

Owner 83.9%
Renter 16.1%
Affordability Index Affordable
3.5x home value to income ratio

People & Demographics

Diversity Index

26out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 67 | National average: 60

Education

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.