Hamilton County, Iowa's estimated 2024 population is 14,655 with a growth rate of -0.5% in the past year according to the most recent United States census data. Hamilton County, Iowa is the 53rd largest county in Iowa. The 2010 population was 15,634 and has seen a growth of -6.26% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 14,285 | -74 | -0.52% |
| 2028 | 14,359 | -74 | -0.51% |
| 2027 | 14,433 | -74 | -0.51% |
| 2026 | 14,507 | -74 | -0.51% |
| 2025 | 14,581 | -74 | -0.5% |
| 2024 | 14,655 | -74 | -0.5% |
| 2023 | 14,729 | -74 | -0.5% |
| 2022 | 14,803 | -60 | -0.4% |
| 2021 | 14,863 | -145 | -0.97% |
| 2020 | 15,008 | 211 | 1.43% |
| 2019 | 14,797 | -90 | -0.6% |
| 2018 | 14,887 | -147 | -0.98% |
| 2017 | 15,034 | -56 | -0.37% |
| 2016 | 15,090 | -130 | -0.85% |
| 2015 | 15,220 | -2 | -0.01% |
| 2014 | 15,222 | -125 | -0.81% |
| 2013 | 15,347 | 26 | 0.17% |
| 2012 | 15,321 | -147 | -0.95% |
| 2011 | 15,468 | -166 | -1.06% |
| 2010 | 15,634 | 0 | 0% |
| 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 | 1.5% |
| 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 | -12,586 | -88.11% |
White
Two or more races
Asian
Black or African American
Other race
Native Hawaiian or Pacific Islander
Native American
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,203 | 2.38 | 71.4 | 28.6 |
| Married | 3,022 | 3.09 | 84.9 | 15.1 |
| Non Family | 2,422 | 1.19 | 63 | 37 |
| Female | 482 | 3.19 | 55.6 | 44.4 |
| Male | 277 | 3.61 | 25.3 | 74.7 |
3.05
Average Family Size
2.38
Average Household Size
71.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 100%.
All
Male
Female
$48,512
Average Earnings
$57,310
Average Male
$34,393
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
91.36% of Hamilton County, Iowa residents speak only English, while 8.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.25% of the population.
rate
7.78%
Overall Poverty Rate
7.07%
Male Poverty Rate
8.51%
Female Poverty Rate
The race most likely to be in poverty in Hamilton County, Iowa is Black, with 74.49% below the poverty level.
The race least likely to be in poverty in Hamilton County, Iowa is White, with 6.86% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.68%. Among those working part-time, it was 15.4%, and for those that did not work, the poverty rate was 11.77%.
Married
Widowed
Divorced
Separated
NeverMarried
53.0%
Overall Marriage Rate
50.6%
Male Marriage Rate
55.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
13.91%
Veteran Poverty Rate
29.08%
Veteran Disability Rate
LaborForceParticipation
63.3%
Labor Force Participation
60.5%
Employment Rate
4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
79.4%
Born in Hamilton County, Iowa
95.78%
Native Born
4.22%
Foreign Born
3.11%
Non Citizen
1.11%
Naturalized
95.78% of Hamilton County, Iowa residents were born in the United States, with 79.4% having been born in Iowa. 3.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.