United States › Iowa › Denison CITY
Denison Iowa · 8,214 residents (2025 est.) · 6.55 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Denison is home to 8,260 people in Iowa. 18% of adults hold a bachelor's degree, below the 36% national rate. 31% of residents were born outside the United States. The average commute runs 13 minutes. Home values have more than doubled since 2000, reaching $150,200. The median age is 34.3, younger than the US median of 38.9.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 34.3
US median: 38.9
Less educated
18% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 7,339 in 2000
8,214 in 2025 (Census Bureau estimate)
1,262 / sq mi
+14%since 2009
from 1,102 / sq mi in 2009
US average: 281
from 35.3 in 2000
US average: 38.9
Population, 1990 – 2024
6K 7K 7K 8K 9K 1990 2000 2010 2020 2024 Denison Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $65,684
+9%inflation adjusted, since 2000
from $33,187 in 2000
US average: $82,259
from $15,391 in 2000
US average: $44,673
Households earning $100K+
from 18.9% in 2009
US average: 53.3%
from 12.1% in 2000
US average: 12.5%
from 0.401 in 2010
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing 4.5%
Professional, scientific, technical 4.3%
Agriculture, forestry, fishing 3.8%
Public administration 3.6%
Education & health services 0.3%
Arts, entertainment, food 0.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$150,200
+15%inflation adjusted, since 2000
from $71,500 in 2000
US average: $376,019
$731
+6%inflation adjusted, since 2000
from $379 in 2000
US average: $1,442
from 65.0% in 2000
28.7% rent
from 4.9% in 2009
US average: 10.0%
from 2.40 people in 2009
US average: 2.54
from 14.7% in 2009
US average: 22.9%
from 28.6% in 2009
US average: 47.4%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 79.5%(5,836)
Hispanic / Latino 17.4%(1,274)
2024
White, non-Hispanic 42.9%(3,540)
Hispanic / Latino 48.8%(4,029)
from 61 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 9 more ancestry groups with data from 13.6% in 2000
US average: 35.6%
High school or higher
from 73.5% in 2000
US average: 89.6%
from 3.2% in 2000
US average: 14.0%
Section 06
Commute & transportation from 10.5 min in 2000
US average: 26.5
from 67.6% in 2009
US average: 68.9%
from 22.0% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 7.7% in 2009
US average: 15.0%
from 1.0% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 9.2% in 2009
US average: 8.3%
Section 07
Work & employment from 5.4% in 2011
US average: 5.2%
from 61.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 60.2% in 2020
US average: 74.6%
from 7.0% in 2009
US average: 13.1%
from 21.8% in 2009
US average: 42.5%
Section 08
People & community from 20.4% in 2009
US average: 14.1%
from 6.2% in 2009
US average: 6.2%
from 13.1% in 2012
US average: 13.3%
from 17.2% in 2013
US average: 8.4%
from 64.8% in 2017
US average: 91.0%
Computer in household
from 84.7% in 2020
US average: 95.5%
from 86.3% in 2020
US average: 87.7%
from 59.5% in 2016
US average: 77.7%
from 38.3% in 2016
US average: 13.6%
Marital status
Women 15+
Never married 35.3%(1,144)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 17.2% in 2013
US average: 8.4%
from 49.5% in 2020
US average: 54.8%
Direct-purchase
from 15.6% in 2020
US average: 13.8%
from 12.6% in 2020
US average: 18.4%
from 23.3% in 2020
US average: 20.9%
VA health care
from 1.6% in 2020
US average: 2.2%
Any private
from 63.9% in 2020
US average: 67.1%
Any public
from 35.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 18.5%(51)
Gulf War (1990s) 17.8%(49)
Share of the 276 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Frequently asked
How many people live in Denison, Iowa? Denison, Iowa has about 8,260 residents according to the 2024 American Community Survey.
What is the median household income in Denison, Iowa? The typical household in Denison, Iowa earns about $65,684 a year. Half of households make more than that, and half make less.
Is Denison, Iowa expensive? In Denison, Iowa, the median home is worth about $150,200, and the typical rent is about $731 a month.
How educated are people in Denison, Iowa? About 17.5% of adults age 25 and over in Denison, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Denison, Iowa? About 17.5% of people in Denison, Iowa live below the federal poverty line.
Has Denison, Iowa grown since 1990? Yes, Denison, Iowa has grown since 1990. The population has added about 1,656 residents, a change of about 25 percent over that period.
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