Johnston County Flag

Johnston County

County Seat:

Johnston County's estimated 2025 population is 256,061 with a growth rate of 2.83% in the past year according to the most recent United States census data. Johnston County is the 9th largest county in North Carolina. The 2010 population was 169,676 and has seen a growth of 50.91% since that time.

256,061
Total Population
323
Population Density (mi²)
9
Population Rank (State)
7.1K 2.83%
Annual Population Growth

Johnston County Population

Demographics

Economics and Income Statistics