Allendale Flag

Allendale

County:
Wabash County
County Seat:
No
Area (mi²):
0.307
State:
Illinois

Allendale is a village located in Wabash County, Illinois. Allendale has a 2026 population of 443. Allendale is currently declining at a rate of -0.23% annually and its population has decreased by -2.85% since the most recent census, which recorded a population of 456 in 2020.

443
Total Population
1,443
Density (mi²)
-1 -0.23%
Growth