Denison

County:: Crawford County
County Seat:: Yes
Area (mi²):: 6.547
State:: Iowa

Denison is a city located in Crawford County, Iowa. Denison has a 2025 population of 7,956. It is also the county seat of Crawford County. Denison is currently declining at a rate of -0.98% annually and its population has decreased by -4.73% since the most recent census, which recorded a population of 8,351 in 2020.

The average household income in Denison is $79,594 with a poverty rate of 20.15%. The median age in Denison is 34 years: 33.5 years for males, and 34.4 years for females.

Demographics

The racial composition of Denison includes 55.97% White, 14.91% other race, 3.33% Asian, 3.02% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,616	55.97%
Two or more races	1,827	22.15%
Other race	1,230	14.91%
Asian	275	3.33%
Black or African American	249	3.02%
Native American	50	0.61%
Native Hawaiian or Pacific Islander	0	0%

Denison Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Denison's average per capita income is $46,639. Household income levels show a median of $63,850. The poverty rate stands at 20.15%.

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	$101,279	-
Families	$74,931	$91,525
Households	$63,850	$79,594
Non Families	$36,122	$42,323

$46,639

Average Income

$63,850

Median Household Income

20.15%

Poverty Rate