Marshall County Flag

Marshall County

State:
Oklahoma
County Seat:
Madill

Marshall County's estimated 2025 population is 16,068 with a growth rate of 0.31% in the past year according to the most recent United States census data. Marshall County is the 44th largest county in Oklahoma. The 2010 population was 15,838 and has seen a growth of 1.45% since that time.

16,068
Total Population
43
Population Density (mi²)
44
Population Rank (State)
49 0.31%
Annual Population Growth

Marshall County Population

Demographics

Economics and Income Statistics