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 2026 population of 922. It is also the county seat of Butler County. Allison is currently declining at a rate of -0.75% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 966 in 2020.

The median household income in Allison is $64,063 with a poverty rate of 12.77%. The median age in Allison is 42.3 years: 40.1 years for males, and 48.3 years for females. For every 100 females there are 106.0 males.

922
Total Population
315
Density (mi²)
-7 -0.75%
Growth

Allison Population

Allison Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026922-7-0.75%
2025929-8-0.85%
2024937-8-0.85%
2023945-9-0.94%
2022954-8-0.83%
2021962-4-0.41%
202096600%
2019971-10-1.02%
2018981-11-1.11%
2017992-8-0.8%
20161,000-14-1.38%
20151,014-9-0.88%
20141,023-1-0.1%
20131,02450.49%
20121,019-4-0.39%
20111,023-6-0.58%
20101,02610.1%

Median Age

Overall: 42.3 years
Female: 48.3 years
Male: 40.1 years

Allison Adults

There are 739 adults, (236 of whom are seniors) in Allison.

Sex Ratio

Female: 451 (48.5%)
Male: 478 (51.5%)

Demographics

The racial composition of Allison includes 98.39% 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)
White91498.39%
Two or more races70.75%
Asian60.65%
Black or African American20.22%
Race
Population ↓
Percentage (of total)
Two or more races20.22%
Race
Population ↓
Percentage (of total)
White91498.39%
Asian60.65%
Two or more races50.54%
Black or African American20.22%

Allison Marital Status

Economics and Income Statistics

Allison 's average per capita income is $46,875. Household income levels show a median of $64,063. The poverty rate stands at 12.77%.

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$92,969-
Families$86,875$94,905
Households$64,063$73,445
Non Families$40,469$40,234

$46,875

Average Income

$64,063

Median Household Income

12.77%

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)