United States › Iowa › Clayton County COUNTY · 2010 ACS
Clayton County Iowa · 18,129 residents · 778 sq mi
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The short version
With 18,129 people, Clayton County is a county in Iowa. The median age is 45.0, about 8 years above the US median. Four-year degrees are less common here than nationally, at 15% of adults. The typical home is worth $96,500. 77% of homes are owner-occupied. The foreign-born share is 2%.
At a glance
Lower income
below the US median
US median: $52,703
Older
median age 45.0
US median: 37.2
Less educated
15% 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 40.2 in 2000
US average: 37.2
Population, 1990 – 2024
17K 17K 18K 19K 19K 1990 2000 2010 2020 2024 Clayton County Age distribution, 2010
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Section 02
Income & economy $45,873
+6%inflation adjusted, since 2000
from $34,068 in 2000
US average: $52,703
from $16,930 in 2000
US average: $27,286
Households earning $100K+
from 20.5% in 2009
US average: 33.3%
from 8.6% in 2000
US average: 13.8%
Workforce by industry, 2010
Agriculture, forestry, fishing 8.5%
Professional, scientific, technical 4.8%
Public administration 3.4%
Transportation & warehousing 3.3%
Arts, entertainment, food 1.6%
Education & health services 0.8%
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$96,500
+7%inflation adjusted, since 2000
from $71,300 in 2000
US average: $225,659
$465
+4%inflation adjusted, since 2000
from $353 in 2000
US average: $853
from 76.5% in 2000
23.4% rent
from 14.7% in 2009
US average: 12.1%
from 2.25 people in 2009
US average: 2.60
from 18.7% in 2009
US average: 30.9%
from 28.2% in 2009
US average: 46.8%
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.
Section 04
Race & ethnicity 2000
White, non-Hispanic 98.4%(18,386)
Hispanic / Latino 0.8%(142)
2010
White, non-Hispanic 96.9%(17,563)
Hispanic / Latino 1.7%(306)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 21 more ancestry groups with data from 12.8% in 2000
US average: 27.9%
High school or higher
from 82.6% in 2000
US average: 84.9%
from 3.4% in 2000
US average: 10.2%
Section 06
Commute & transportation from 14.6 min in 2000
US average: 25.2
from 76.2% in 2009
US average: 76.2%
from 11.6% in 2009
US average: 10.4%
from 0.2% in 2009
US average: 4.7%
from 6.6% in 2009
US average: 4.1%
from 4.8% in 2009
US average: 2.8%
from 0.2% in 2009
US average: 0.5%
from 4.1% in 2009
US average: 8.7%
Section 07
Work & employment from 10.1% in 2009
US average: 12.9%
from 26.2% in 2009
US average: 35.2%
Section 08
People & community from 1.7% in 2009
US average: 12.8%
from 12.8% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 29.6%(2,088)
Women 15+
Never married 20.8%(1,452)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 9.5% in 2013
US average: 8.4%
from 50.9% in 2020
US average: 54.8%
Direct-purchase
from 22.9% in 2020
US average: 13.8%
from 25.0% in 2020
US average: 18.4%
from 21.1% in 2020
US average: 20.9%
VA health care
from 3.2% in 2020
US average: 2.2%
Any private
from 72.1% in 2020
US average: 67.1%
Any public
from 42.4% 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) 12.2%(133)
Gulf War (1990s) 15.5%(169)
Share of the 1,087 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 Clayton County Head to head
Compare Clayton County to nearby counties CLAYTON COUNTY VS
Delaware County
Income $74,989 +63%
Home value $177,900 +84%
Population 17,674 +5%
SEE FULL COMPARISON →
CLAYTON COUNTY VS
Fayette County
Income $60,165 +31%
Home value $136,800 +42%
Population 19,047 +13%
SEE FULL COMPARISON →
CLAYTON COUNTY VS
Allamakee County
Income $70,694 +54%
Home value $172,300 +79%
Population 14,238 −15%
SEE FULL COMPARISON →
CLAYTON COUNTY VS
Grant County
Income $66,858 +46%
Home value $200,700 +108%
Population 52,446 +211%
SEE FULL COMPARISON →
Frequently asked
How many people live in Clayton County, Iowa? Clayton County, Iowa has about 18,129 residents according to the 2010 American Community Survey.
What is the median household income in Clayton County, Iowa? The typical household in Clayton County, Iowa earns about $45,873 a year. Half of households make more than that, and half make less.
Is Clayton County, Iowa expensive? In Clayton County, Iowa, the median home is worth about $96,500, and the typical rent is about $465 a month.
How educated are people in Clayton County, Iowa? About 14.9% of adults age 25 and over in Clayton County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Clayton County, Iowa? About 11.3% of people in Clayton County, Iowa live below the federal poverty line.
Has Clayton County, Iowa grown since 1990? Yes, Clayton County, Iowa has shrunk since 1990. The population has lost about 925 residents, a change of about -5 percent over that period.
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