United States › Iowa › Hamilton County COUNTY · 2020 ACS
Hamilton County Iowa · 15,039 residents · 577 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 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 15,039 people, Hamilton County is a county in Iowa. The typical home is worth $105,200. The median age is 42.8, about 4 years above the US median. About 24% of adults have finished a four-year degree. 72% of homes are owner-occupied. The foreign-born share is 4%.
At a glance
Lower income
below the US median
US median: $66,278
Older
median age 42.8
US median: 38.8
Less educated
24% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 39.1 in 2000
US average: 38.8
Population, 1990 – 2024
15K 15K 16K 16K 17K 1990 2000 2010 2020 2024 Hamilton County Age distribution, 2020
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Section 02
Income & economy $60,248
+4%inflation adjusted, since 2000
from $38,658 in 2000
US average: $66,278
from $18,801 in 2000
US average: $35,364
Households earning $100K+
from 23.3% in 2009
US average: 43.9%
from 6.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Agriculture, forestry, fishing 8.6%
Professional, scientific, technical 3.8%
Public administration 3.5%
Transportation & warehousing 3.1%
Arts, entertainment, food 2.3%
Education & health services 0.6%
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$105,200
−3%inflation adjusted, since 2000
from $71,900 in 2000
US average: $265,253
$762
+20%inflation adjusted, since 2000
from $422 in 2000
US average: $1,124
from 72.8% in 2000
27.7% rent
from 2.30 people in 2009
US average: 2.61
from 1.9 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 96.1%(15,792)
Hispanic / Latino 1.4%(234)
2020
White, non-Hispanic 84.5%(12,702)
Hispanic / Latino 9.7%(1,465)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 19 more ancestry groups with data from 17.5% in 2000
US average: 32.9%
High school or higher
from 87.3% in 2000
US average: 88.5%
from 4.5% in 2000
US average: 12.7%
Section 06
Commute & transportation from 11.7 min in 2000
US average: 26.9
from 80.2% in 2009
US average: 75.1%
from 5.0% in 2009
US average: 8.4%
Section 07
Work & employment from 4.9% in 2011
US average: 5.4%
from 65.4% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 29.9% in 2009
US average: 39.3%
Section 08
People & community from 2.1% in 2009
US average: 13.5%
from 8.2% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 26.9%(1,640)
Women 15+
Never married 22.7%(1,335)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 8.2% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 18.3%(168)
Gulf War (1990s) 18.6%(171)
Share of the 919 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 Hamilton County Head to head
Compare Hamilton County to nearby counties HAMILTON COUNTY VS
Wright County
Income $67,190 +12%
Home value $119,600 +14%
Population 12,801 −14%
SEE FULL COMPARISON →
HAMILTON COUNTY VS
Hardin County
Income $65,069 +8%
Home value $122,500 +16%
Population 16,455 +10%
SEE FULL COMPARISON →
HAMILTON COUNTY VS
Webster County
Income $68,975 +14%
Home value $153,800 +46%
Population 36,838 +147%
SEE FULL COMPARISON →
HAMILTON COUNTY VS
Boone County
Income $83,531 +39%
Home value $212,400 +102%
Population 26,799 +79%
SEE FULL COMPARISON →
Frequently asked
How many people live in Hamilton County, Iowa? Hamilton County, Iowa has about 15,039 residents according to the 2020 American Community Survey.
What is the median household income in Hamilton County, Iowa? The typical household in Hamilton County, Iowa earns about $60,248 a year. Half of households make more than that, and half make less.
Is Hamilton County, Iowa expensive? In Hamilton County, Iowa, the median home is worth about $105,200, and the typical rent is about $762 a month.
How educated are people in Hamilton County, Iowa? About 24.0% of adults age 25 and over in Hamilton County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Hamilton County, Iowa? About 7.5% of people in Hamilton County, Iowa live below the federal poverty line.
Has Hamilton County, Iowa grown since 1990? Yes, Hamilton County, Iowa has shrunk since 1990. The population has lost about 1,032 residents, a change of about -6 percent over that period.
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