Hamilton County, Iowa Population 2022

Hamilton County, Iowa's estimated population is 14,434 with a growth rate of -0.78% in the past year according to the most recent United States census data. Hamilton County, Iowa is the 54th largest county in Iowa. The 2010 Population was 15,633 and has seen a growth of -7.67% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18601,6990.00%
18706,0554,356256.39%
188011,2525,19785.83%
189015,3194,06736.14%
190019,5144,19527.38%
191019,242-272-1.39%
192019,5312891.50%
193020,9781,4477.41%
194019,922-1,056-5.03%
195019,660-262-1.32%
196020,0323721.89%
197018,383-1,649-8.23%
198017,862-521-2.83%
199016,071-1,791-10.03%
201015,633-438-2.73%
201115,467-166-1.06%
201215,321-146-0.94%
201315,343220.14%
201415,217-126-0.82%
201515,21810.01%
201615,075-143-0.94%
201715,032-43-0.29%
201814,886-146-0.97%
201914,773-113-0.76%
202014,660-113-0.76%
202114,547-113-0.77%
202214,434-113-0.78%
map placeholder

Hamilton County, Iowa Population Growth

Population by Race

Race Population Percentage
White13,89093.19%
Black or African American1841.23%
American Indian and Alaska Native260.17%
Asian4052.72%
Native Hawaiian and Other Pacific Islander400.27%
Some Other Race930.62%
Two or More Races2671.79%
Loading...

Hamilton County, Iowa Population by Race

Hamilton County, Iowa Population Pyramid 2022

Loading...

Hamilton County, Iowa Median Age

42.6


Total

41.5


Male

44.8


Female

Hamilton County, Iowa Adults

There are 11,541 adults, (3,074 of whom are seniors) in Hamilton County, Iowa.

Hamilton County, Iowa Age Dependency

Age Dependency Ratio

36.3

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Hamilton County, Iowa Sex Ratio

Female

7,532

50.53%

Male

7,373

49.47%

Hamilton County, Iowa Population by Age

Hamilton County, Iowa Renter vs Owner Occupied by Household Type

map placeholder

Hamilton County, Iowa Household Types

Type Owner Renter
Married83.1%16.9%
All74.6%25.4%
Non Family67.2%32.8%
Female61%39%
Male52.7%47.3%

74.6%

Rate of Home Ownership

Hamilton County, Iowa Households and Families

Type Count Average Size Owned
All6,1222.474.6
Married3,267383.1
Male2413.9152.7
Female4803.2361
Non Family2,1341.1367.2

3.04

Average Family Size

2.4

Average Household Size

Loading...

Hamilton County, Iowa Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade2972.83%
9th to 12th Grade3713.53%
High School Graduate3,35831.96%
Some College2,05119.52%
Associates Degree1,90518.13%
Bachelors Degree1,91818.25%
Graduate Degree6085.79%
Loading...

Hamilton County, Iowa Educational Attainment by Sex (over 25)

Hamilton County, Iowa Educational Attainment by Race

Loading...
Race Total High School Bachelors
Islander404040
White9,6259,2652,369
Black675612
Asian27524042
Hispanic46019861
Other Race46106
2+ Races114842
Native American66

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%.

Hamilton County, Iowa Educational Attainment by Race

Loading...
Name Average Male Female
Overall$43,057$51,548$34,874
Less Than 9th Grade$33,171$47,692$
High School Graduate$37,228$46,892$28,358
Some College$42,225$52,122$33,750
Bachelors Degree$55,554$61,375$46,667
Graduate Degree$71,607$77,500$68,125

$43,057

Average Earnings

$51,548

Average Male

$34,874

Average Female

Hamilton County, Iowa Earnings by Educational Attainment

Hamilton County, Iowa Language by Age

Loading...

Hamilton County, Iowa Language

92.40% of Hamilton County, Iowa residents speak only English, while 7.60% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.28% of the population.

Hamilton County, Iowa Language

Hamilton County, Iowa Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Black18213473.63%
Asian4056115.06%
Native26311.54%
Hispanic922606.51%
White13,0718326.37%
Other41NaN%
Multiple267217.87%

7.50%

Overall Poverty Rate

6.34%

Male Poverty Rate

8.64%

Female Poverty Rate

Poverty in Hamilton County, Iowa

The race most likely to be in poverty in Hamilton County, Iowa is Black, with 73.63% below the poverty level.

The race least likely to be in poverty in Hamilton County, Iowa is Multiple, with 7.87% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.98%. Among those working part-time, it was 14.44%, and for those that did not work, the poverty rate was 11.26%.

Hamilton County, Iowa Poverty

Loading...
Name Poverty
Less Than 9th Grade10.73%
High School6.60%
Some College6.15%
Bachelors or Greater2.99%

Hamilton County, Iowa Poverty Rate by Education

Loading...
Rate Poverty
Male Employed1.52%
Male Unemployed30.50%
Female Employed6.65%
Female Unemployed40.45%

Hamilton County, Iowa Poverty Rate by Employment Status and Sex

Hamilton County, Iowa Income by Household Type

Loading...
Name Median Mean
Households$60,248$71,735
Families$73,373$86,445
Married Families$83,945-
Non Families$34,712$41,879
Loading...

Income by Household Type

Hamilton County, Iowa Marital Status

map placeholder

Marriage Rates

56.5%

Overall Marriage Rate

57.0%

Male Marriage Rate

56.1%

Female Marriage Rate

Hamilton County, Iowa Married by Age and Sex

Loading...

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

map placeholder

Hamilton County, Iowa Marital Status

Loading...

919

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War168
First Gulf War171
Vietnam367
Korea75
World War II49

Hamilton County, Iowa Veterans by War

Loading...
Age Group Veterans
18 to 3432
35 to 54245
55 to 6485
65 to 74318
75+239

Hamilton County, Iowa Veterans by Age

Loading...
Name Veterans % of Total
White8978.23%
Black11.22%
Asian175.78%
Other Race48.33%
Hispanic40.77%

Hamilton County, Iowa Veterans by Race

Hamilton County, Iowa Veterans by Education

Loading...

5.45%

Veteran Poverty Rate

25.58%

Veteran Disability Rate

Hamilton County, Iowa Veterans by Education

Loading...

63.6%

Labor Force Participation

61.6%

Employment Rate

3.1%

Unemployment Rate

Hamilton County, Iowa Employment by Age

Loading...

Hamilton County, Iowa Employment by Race

Loading...

Hamilton County, Iowa Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

78.37%

Born in Hamilton County, Iowa

95.74%

Native Born

4.26%

Foreign Born

2.05%

Non Citizen

2.21%

Naturalized

Place of Birth

95.74% of Hamilton County, Iowa residents were born in the United States, with 78.37% having been born in Iowa. 2.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Hamilton County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources