McLennan County Flag

McLennan County

State:
Texas
County Seat:
Waco

McLennan County's estimated 2025 population is 273,425 with a growth rate of 0.89% in the past year according to the most recent United States census data. McLennan County is the 20th largest county in Texas. The 2010 population was 235,904 and has seen a growth of 15.91% since that time.

273,425
Total Population
264
Population Density (mi²)
20
Population Rank (State)
2.4K 0.89%
Annual Population Growth

McLennan County Population

Demographics

Economics and Income Statistics