Lewis County Flag

Lewis County

State:
Kentucky
County Seat:
Vanceburg

Lewis County's estimated 2026 population is 12,890 with a growth rate of -0.09% in the past year according to the most recent United States census data. Lewis County is the 84th largest county in Kentucky. The 2010 population was 13,836 and has seen a growth of -6.84% since that time.

12,890
Total Population
27
Population Density (mi²)
84
Population Rank (State)
-11 -0.09%
Annual Population Growth

Lewis County Population

Demographics

Economics and Income Statistics