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 and multiracial populations.

Population by Race

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%

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