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Hamilton County, Iowa Population 2021
Hamilton County, Iowa's estimated population is 14,547 with a growth rate of -0.77% in the past year according to the most recent United States census data. Hamilton County, Iowa is the 54th largest county inIowa. The 2010 Population was 15,633 and has seen a growth of -6.95% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 14,547 | -113 | -0.77% |
| 2020 | 14,660 | -113 | -0.76% |
| 2019 | 14,773 | -113 | -0.76% |
| 2018 | 14,886 | -146 | -0.97% |
| 2017 | 15,032 | -43 | -0.29% |
| 2016 | 15,075 | -143 | -0.94% |
| 2015 | 15,218 | 1 | 0.01% |
| 2014 | 15,217 | -126 | -0.82% |
| 2013 | 15,343 | 22 | 0.14% |
| 2012 | 15,321 | -146 | -0.94% |
| 2011 | 15,467 | -166 | -1.06% |
| 2010 | 15,633 | -438 | -2.73% |
| 1990 | 16,071 | -1,791 | -10.03% |
| 1980 | 17,862 | -521 | -2.83% |
| 1970 | 18,383 | -1,649 | -8.23% |
| 1960 | 20,032 | 372 | 1.89% |
| 1950 | 19,660 | -262 | -1.32% |
| 1940 | 19,922 | -1,056 | -5.03% |
| 1930 | 20,978 | 1,447 | 7.41% |
| 1920 | 19,531 | 289 | 1.50% |
| 1910 | 19,242 | -272 | -1.39% |
| 1900 | 19,514 | 4,195 | 27.38% |
| 1890 | 15,319 | 4,067 | 36.14% |
| 1880 | 11,252 | 5,197 | 85.83% |
| 1870 | 6,055 | 4,356 | 256.39% |
| 1860 | 1,699 | 0.00% |
2021 Growth Rate
-0.77% (-113)
County Website
State
Founded
1856
County Seat
Lat./Long.
2010 Population
15,633
Growth Since 2010
-6.95% (-1,086)
| Race | Population | Percentage |
|---|---|---|
| White | 14,077 | 93.87% |
| Asian | 455 | 3.03% |
| Black or African American | 202 | 1.35% |
| Some Other Race | 201 | 1.34% |
| Native Hawaiian and Other Pacific Islander | 32 | 0.21% |
| Two or More Races | 22 | 0.15% |
| American Indian and Alaska Native | 8 | 0.05% |
Hamilton County, Iowa Population Pyramid $2021
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| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 6,259 | 2.36 | 72.4 |
| Married | 3,382 | 2.99 | 86.1 |
| Non Family | 2,127 | 1.14 | 54.6 |
| Female | 498 | 2.89 | 61.6 |
| Male | 252 | 3.25 | 58.7 |
2.95
Average Family Size
2.36
Average Household Size
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 307 | 2.91% |
| 9th to 12th Grade | 402 | 3.81% |
| High School Graduate | 3,416 | 32.38% |
| Some College | 2,129 | 20.18% |
| Associates Degree | 1,730 | 16.40% |
| Bachelors Degree | 1,935 | 18.34% |
| Graduate Degree | 631 | 5.98% |
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Hamilton County, Iowa Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 9,715 | 9,316 | 2,423 |
| Hispanic | 458 | 173 | 59 |
| Asian | 254 | 235 | 41 |
| Other Race | 118 | 36 | 6 |
| Black | 79 | 73 | 9 |
| Islander | 32 | 32 | 32 |
| 2+ Races | 8 | 8 | 2 |
| Native American | 5 | 5 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among islander people with a rate of 100.00%.
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$41,570
Average Earnings
$48,624
Average Male
$32,462
Average Female
Hamilton County, Iowa Language by Age
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Hamilton County, Iowa Language
92.02% of Hamilton County, Iowa residents speak only English, while 7.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.31% of the population.
Hamilton County, Iowa Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 13,188 | 942 | 7.14% |
| Asian | 455 | 184 | 40.44% |
| Black | 194 | 168 | 86.60% |
| Hispanic | 904 | 146 | 16.15% |
| Other | 201 | 131 | 65.17% |
| Multiple | 22 | 9 | 40.91% |
| Native | 8 | 3 | 37.50% |
9.81%
Overall Poverty Rate
8.62%
Male Poverty Rate
10.96%
Female Poverty Rate
Poverty in Hamilton County, Iowa
The race most likely to be in poverty in Hamilton County, Iowa is Black, with 86.60% below the poverty level.
The race least likely to be in poverty in Hamilton County, Iowa is White, with 7.14% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.81%. Among those working part-time, it was 15.59%, and for those that did not work, the poverty rate was 18.05%.
Hamilton County, Iowa Marital Status
Marriage Rates
57.6%
Overall Marriage Rate
57.7%
Male Marriage Rate
57.5%
Female Marriage Rate
Hamilton County, Iowa Married by Age and Sex
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Hamilton County, Iowa Marriage
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.
Hamilton County, Iowa Marital Status by Race
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| Name | Veterans | % of Total |
|---|---|---|
| White | 890 | 8.08% |
| Asian | 5 | 1.85% |
Hamilton County, Iowa Veterans by Education
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5.73%
Veteran Poverty Rate
24.63%
Veteran Disability Rate
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63.8%
Labor Force Participation
62%
Employment Rate
2.7%
Unemployment Rate
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Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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77.24%
Born in Hamilton County, Iowa
95.61%
Native Born
4.39%
Foreign Born
2.08%
Non Citizen
2.31%
Naturalized
Place of Birth
95.61% of Hamilton County, Iowa residents were born in the United States, with 77.24% having been born in Iowa. 2.08% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990