McKenzie County Flag

McKenzie County

State:
North Dakota
County Seat:
Watford City

McKenzie County's estimated 2026 population is 15,586 with a growth rate of 2.59% in the past year according to the most recent United States census data. McKenzie County is the 10th largest county in North Dakota. The 2010 population was 6,412 and has seen a growth of 143.08% since that time.

15,586
Total Population
6
Population Density (mi²)
10
Population Rank (State)
394 2.59%
Annual Population Growth

McKenzie County Population

Demographics

Economics and Income Statistics