Allendale
- County:
- Worth County
- County Seat:
- No
- Area (mi²):
- 0.568
- State:
- Missouri
Allendale is a village located in Worth County, Missouri. Allendale has a 2026 population of 46. Allendale is currently declining at a rate of 0% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 48 in 2020.
The median household income in Allendale is $73,333 with a poverty rate of 10.87%. The median age in Allendale is 60 years: 61.5 years for males, and 47.5 years for females. For every 100 females there are 76.9 males.