Harrison County Flag

Harrison County

State:
Mississippi
County Seat:
Biloxi

Harrison County's estimated 2026 population is 219,678 with a growth rate of 1.17% in the past year according to the most recent United States census data. Harrison County is the largest county in Mississippi. The 2010 population was 187,868 and has seen a growth of 16.93% since that time.

219,678
Total Population
383
Population Density (mi²)
1
Population Rank (State)
2.5K 1.17%
Annual Population Growth

Harrison County Population

Demographics

Economics and Income Statistics