Denison Flag

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 2026 population of 8,271. It is also the county seat of Crawford County. Denison is currently declining at a rate of -0.18% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 8,363 in 2020.

The median household income in Denison is $65,684 with a poverty rate of 17.53%. The median age in Denison is 34.3 years: 32.9 years for males, and 35 years for females. For every 100 females there are 102.9 males.

8.3K
Total Population
1,263
Density (mi²)
-15 -0.18%
Growth

Denison Population

Denison Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20268,271-15-0.18%
20258,286-16-0.19%
20248,3021111.36%
20238,19110.01%
20228,190-48-0.58%
20218,238-125-1.49%
20208,363-17-0.2%
20198,282-81-0.97%
20188,363-4-0.05%
20178,367-22-0.26%
20168,389861.04%
20158,303-41-0.49%
20148,344-59-0.7%
20138,403240.29%
20128,379340.41%
20118,345160.19%
20108,329310.37%
20007,33973511.13%
19906,604-71-1.06%
19806,67579313.48%
19705,88295219.31%
19604,9303768.26%
19504,5541934.43%
19404,36145611.68%
19303,9053249.05%
19203,58144814.3%
19103,13336213.06%
19002,77100%

Median Age

Overall: 34.3 years
Female: 35 years
Male: 32.9 years

Denison Adults

There are 6,099 adults, (1,109 of whom are seniors) in Denison.

Sex Ratio

Female: 4,070 (49.3%)
Male: 4,190 (50.7%)

Demographics

The racial composition of Denison includes 50.19% White, 18.54% other race, 3.32% Asian, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,14650.19%
Two or more races2,11125.56%
Other race1,53118.54%
Asian2743.32%
Black or African American1331.61%
Native American650.79%
Race
Population ↓
Percentage (of total)
Two or more races1,82622.11%
Other race1,52218.43%
White6067.34%
Native American650.79%
Black or African American100.12%
Race
Population ↓
Percentage (of total)
White3,54042.86%
Two or more races2853.45%
Asian2743.32%
Black or African American1231.49%
Other race90.11%

Denison Marital Status

Economics and Income Statistics

Denison 's average per capita income is $48,890. Household income levels show a median of $65,684. The poverty rate stands at 17.53%.

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$104,459-
Families$76,184$91,737
Households$65,684$80,818
Non Families$32,670$43,647

$48,890

Average Income

$65,684

Median Household Income

17.53%

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)