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, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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