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 2025 population of 8,286 . It is also the county seat of Crawford County . Denison is currently declining at a rate of -0.19% annually and its population has decreased by -0.92% since the most recent census, which recorded a population of 8,363 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. For every 100 females there are 95.8 males.

8.3K
Total Population
1,266
Density (mi²)
-16 -0.19%
Growth

Denison Population

Demographics

Economics and Income Statistics

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)