Howard County Flag

Howard County

State:
Maryland
County Seat:
Ellicott City

Howard County's estimated 2026 population is 340,571 with a growth rate of 0.41% in the past year according to the most recent United States census data. Howard County is the 6th largest county in Maryland. The 2010 population was 288,618 and has seen a growth of 18% since that time.

340,571
Total Population
1,357
Population Density (mi²)
6
Population Rank (State)
1.4K 0.41%
Annual Population Growth

Howard County Population

Demographics

Economics and Income Statistics