Lamar township
- County:
- Barton County
- County Seat:
- No
- Area (mi²):
- 62.81
- State:
- Missouri
Lamar township is located in Barton County, Missouri. Lamar township has a 2026 population of 1,422. Lamar township is currently declining at a rate of -0.21% annually but its population has increased by 1.07% since the most recent census, which recorded a population of 1,407 in 2020.
The median household income in Lamar township is $56,926 with a poverty rate of 14.7%. The median age in Lamar township is 45.2 years: 45.9 years for males, and 39.8 years for females. For every 100 females there are 106.8 males.