Domestic losses outpaced immigration gains in some large Maryland counties

Many of these areas relied on immigration to drive growth. A plunge in foreign arrivals in 2025 tilted two into overall population decline.

A split bar chart comparing domestic migration to international migration in the six largest Maryland counties. It shows some counties lost more residents to domestic migration than they gained through immigration.

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Chart reflects population changes in the six most populous areas of Maryland.

Domestic migration refers to the movement of people within the United States. A negative number means more people left an area than moved in.

Chart: Sapna Bansil/The BannerSource: Population Estimates Program by United States Census Bureau