Boone County Flag

Boone County

State:
Missouri
County Seat:
Columbia

Boone County's 2026 population is estimated at 196,186, reflecting a 1.04% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Boone County is the 8th largest county in Missouri. The 2010 population was 163,208 and has grown 20.21% since 2010.

196,186
Total Population
286
Population Density (mi²)
8
Population Rank (State)
2K 1.04%
Annual Population Growth

Boone County Population

Demographics

Economics and Income Statistics