Allison

County:: Butler County
County Seat:: Yes
Area (mi²):: 2.931
State:: Iowa

Allison is a city located in Butler County, Iowa. Allison has a 2025 population of 925. It is also the county seat of Butler County. Allison is currently declining at a rate of -0.86% annually and its population has decreased by -4.34% since the most recent census, which recorded a population of 967 in 2020.

The average household income in Allison is $75,880 with a poverty rate of 9.53%.The median age in Allison is 44.1 years: 39.8 years for males, and 51.1 years for females.

Demographics

The racial composition of Allison includes 98.44% White, and smaller percentages for Two or more races, Asian, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,012	98.44%
Two or more races	8	0.78%
Asian	6	0.58%
Black or African American	2	0.19%

Allison Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allison's average per capita income is $44,773. Household income levels show a median of $64,306. The poverty rate stands at 9.53%.

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	$96,875	-
Families	$87,969	$101,112
Households	$64,306	$75,880
Non Families	$42,337	$43,472

$44,773

Average Income

$64,306

Median Household Income

9.53%

Poverty Rate