Baltimore County, Maryland Demographics 2026

Population Overview

Baltimore County is located in Maryland with a total population of 849,586. It is the 3rd most populous county out of 24 in Maryland.

Age Demographics

The median age in Baltimore County is 39.5 years. This is about average than the state median of 39.3 years.

Economy, Income & Housing

The median household income in Baltimore County is $90,904. This is 11% lower than the state median of $101,652. Compared to the national median of $78,538, household income here is 16% higher. The poverty rate stands at 10.0%. This is 7% higher than the state poverty rate of 9.3%. The unemployment rate is 5.0%. This is 1% higher than the state rate of 4.9%. The median home value is $330,000. Housing costs are 17% lower than the state median of $397,700. The home-value-to-income ratio is 3.6x. 66.3% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 67.5%.

Race & Ethnicity

The largest racial or ethnic group in Baltimore County is White (non-Hispanic), making up 52.3% of the population. Black or African American residents account for 29.8%.

Education

41.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% 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 91.7%. Notably, 18.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.