Allison Flag

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 929 . It is also the county seat of Butler County . Allison is currently declining at a rate of -0.85% annually and its population has decreased by -3.83% since the most recent census, which recorded a population of 966 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. For every 100 females there are 119.7 males.

929
Total Population
317
Density (mi²)
-8 -0.85%
Growth

Allison Population

Allison Population

Data after 2023 is projected based on recent change

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

White (98.44%)

Two or more races (0.78%)

Asian (0.58%)

Black or African American (0.19%)

Race
Population
Percentage (of total)
White1,01298.44%
Two or more races80.78%
Asian60.58%
Black or African American20.19%

Allison Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)