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 2025 population of 432. Allendale is currently declining at a rate of -1.14% annually and its population has decreased by -5.47% since the most recent census, which recorded a population of 457 in 2020.

The average household income in Allendale is $94,609 with a poverty rate of 11.5%.The median age in Allendale is 48 years: 38.8 years for males, and 48.9 years for females.

Demographics

The racial composition of Allendale includes 95.52% White, and smaller percentages for Asian, Two or more races, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	469	95.52%
Asian	12	2.44%
Two or more races	9	1.83%
Other race	1	0.2%

Allendale Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allendale's average per capita income is $42,500. Household income levels show a median of $70,500. The poverty rate stands at 11.5%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$96,750	-
Families	$89,375	$109,914
Households	$70,500	$94,609
Non Families	$27,750	$30,978

$42,500

Average Income

$70,500

Median Household Income

11.5%

Poverty Rate