Harris County Flag

Harris County

State:
Texas
County Seat:
Houston

Harris County's estimated 2026 population is 5,221,006 with a growth rate of 2.07% in the past year according to the most recent United States census data. Harris County is the largest county in Texas. The 2010 population was 4,107,542 and has seen a growth of 27.11% since that time.

5,221,006
Total Population
3,059
Population Density (mi²)
1
Population Rank (State)
105.9K 2.07%
Annual Population Growth

Harris County Population

Demographics

Economics and Income Statistics