United States › Iowa › Washington County COUNTY · 2010 ACS
Washington County Iowa · 21,704 residents · 569 sq mi
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The short version
Washington County is home to 21,704 people in Iowa. The median age is 41.6, about 4 years above the US median. The typical home is worth $118,600. 3% of people here were born outside the United States. Owners hold 75% of the housing stock. About 19% of adults have finished a four-year degree.
At a glance
Average income
near the US median
US median: $52,703
Older
median age 41.6
US median: 37.2
Less educated
19% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 38.8 in 2000
US average: 37.2
Population, 1990 – 2024
19K 20K 21K 22K 23K 1990 2000 2010 2020 2024 Washington County Age distribution, 2010
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Section 02
Income & economy $50,710
+2%inflation adjusted, since 2000
from $39,103 in 2000
US average: $52,703
from $18,221 in 2000
US average: $27,286
Households earning $100K+
from 25.0% in 2009
US average: 33.3%
from 7.6% in 2000
US average: 13.8%
Workforce by industry, 2010
Agriculture, forestry, fishing 7.4%
Professional, scientific, technical 3.2%
Transportation & warehousing 3.1%
Public administration 2.9%
Arts, entertainment, food 1.8%
Education & health services 0.6%
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$118,600
+11%inflation adjusted, since 2000
from $84,200 in 2000
US average: $225,659
$624
+16%inflation adjusted, since 2000
from $424 in 2000
US average: $853
from 75.3% in 2000
25.2% rent
from 6.5% in 2009
US average: 12.1%
from 2.51 people in 2009
US average: 2.60
from 17.9% in 2009
US average: 30.9%
from 40.4% in 2009
US average: 46.8%
from 2.3 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.
Section 04
Race & ethnicity 2000
White, non-Hispanic 96%(19,838)
Hispanic / Latino 2.7%(564)
2010
White, non-Hispanic 92.7%(20,114)
Hispanic / Latino 5.2%(1,138)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 19 more ancestry groups with data from 16.4% in 2000
US average: 27.9%
High school or higher
from 82.5% in 2000
US average: 84.9%
from 4.8% in 2000
US average: 10.2%
Section 06
Commute & transportation from 15.3 min in 2000
US average: 25.2
from 70.4% in 2009
US average: 76.2%
from 15.2% in 2009
US average: 10.4%
from 0.4% in 2009
US average: 4.7%
from 8.3% in 2009
US average: 4.1%
from 4.1% in 2009
US average: 2.8%
from 0.5% in 2009
US average: 0.5%
from 5.9% in 2009
US average: 8.7%
Section 07
Work & employment from 14.5% in 2009
US average: 12.9%
from 30.8% in 2009
US average: 35.2%
Section 08
People & community from 2.8% in 2009
US average: 12.8%
from 12.0% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 28.9%(2,574)
Women 15+
Never married 22.5%(2,041)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 10.5% in 2013
US average: 8.4%
from 54.3% in 2020
US average: 54.8%
Direct-purchase
from 18.5% in 2020
US average: 13.8%
from 19.3% in 2020
US average: 18.4%
from 21.5% in 2020
US average: 20.9%
VA health care
from 2.5% in 2020
US average: 2.2%
Any private
from 71.8% in 2020
US average: 67.1%
Any public
from 38.2% 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) 24.4%(213)
Share of the 873 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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Drill deeper
Places similar to Washington County Head to head
Compare Washington County to nearby counties WASHINGTON COUNTY VS
Keokuk County
Income $62,329 +23%
Home value $118,700 same
Population 9,797 −57%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Johnson County
Income $74,935 +48%
Home value $308,600 +160%
Population 160,044 +606%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Louisa County
Income $77,354 +53%
Home value $150,100 +27%
Population 10,416 −54%
SEE FULL COMPARISON →
WASHINGTON COUNTY VS
Henry County
Income $67,436 +33%
Home value $164,300 +39%
Population 19,349 −15%
SEE FULL COMPARISON →
Frequently asked
How many people live in Washington County, Iowa? Washington County, Iowa has about 21,704 residents according to the 2010 American Community Survey.
What is the median household income in Washington County, Iowa? The typical household in Washington County, Iowa earns about $50,710 a year. Half of households make more than that, and half make less.
Is Washington County, Iowa expensive? In Washington County, Iowa, the median home is worth about $118,600, and the typical rent is about $624 a month.
How educated are people in Washington County, Iowa? About 19.4% of adults age 25 and over in Washington County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Washington County, Iowa? About 10.7% of people in Washington County, Iowa live below the federal poverty line.
Has Washington County, Iowa grown since 1990? Yes, Washington County, Iowa has grown since 1990. The population has added about 2,092 residents, a change of about 11 percent over that period.
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