Hamilton County, Iowa Population 2018

Hamilton County, Iowa's estimated population is 15,115 with a growth rate of -0.74% in the past year according to the most recent United States census data. Hamilton County, Iowa is the 51st largest county in Iowa.

Year Population Growth Growth Rate
201715,115-112-0.74%
201615,2271270.84%
201615,100-132-0.87%
201515,232140.09%
201415,218-122-0.80%
201315,340240.16%
201215,316-146-0.94%
201115,462-169-1.08%
201015,631-440-2.74%
199016,071-1,791-10.03%
198017,862-521-2.83%
197018,383-1,649-8.23%
196020,0323721.89%
195019,660-262-1.32%
194019,922-1,056-5.03%
193020,9781,4477.41%
192019,5312891.50%
191019,242-272-1.39%
190019,5144,19527.38%
189015,3194,06736.14%
188011,2525,19785.83%
18706,0554,356256.39%
18601,6990.00%

Hamilton County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White14,213
Asian387
Some Other Race369
Two or More Races161
Black or African American97

Race Data via US Census (2016 ACS 5-Year Survey)

Hamilton County, Iowa Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Hamilton County, Iowa Median Age

43


Total

41.6


Male

44.7


Female

Hamilton County, Iowa Adults

There are 11,694 adults, (2,954 of which are seniors) in Hamilton County, Iowa.

Hamilton County, Iowa Age Dependency

74.5

Age Dependency Ratio

33.9

Old Age Dependency Ratio

40.5

Child Dependency Ratio

Hamilton County, Iowa Sex Ratio

Female

7,692

50.52%

Male

7,535

49.48%

Hamilton County, Iowa Households and Families

Hamilton County, Iowa Renter vs Owner Occupied by Household Type

Hamilton County, Iowa Household Types

Type Owner Renter
Married85.5%14.5%
All71.5%28.5%
Female59.2%40.8%
Male57.2%42.8%
Non Family52%48%

71.5%

Rate of Home Ownership

Hamilton County, Iowa Households by Type

Type Count Average Size Owned
All6,3812.3571.5
Married3,5882.9185.5
Non Family2,1171.1452
Female4613.3859.2
Male2152.8757.2

2.88

Average Family Size

2.35

Average Household Size

4.5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Hamilton County, Iowa Households

Hamilton County, Iowa Education

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

Education Attained Count Percentage
Less Than 9th Grade3012.83%
9th to 12th Grade5264.94%
High School Graduate3,35431.50%
Some College2,65024.89%
Associates Degree1,47213.83%
Bachelors Degree1,67815.76%
Graduate Degree6666.26%

Hamilton County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White9,9209,3962,208
Hispanic40410711
Asian204198108
Other Race168593
Multiple Races7171
Black484817

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 52.94%.

Hamilton County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$35,806$42,005$30,284
Less Than High School$27,218$31,033$21,250
High School Grad$32,000$35,734$23,667
Some College$36,561$46,071$30,194
Bachelors Degree$39,040$50,068$31,843
Graduate Degree$58,370$71,875$57,880

$35,806

Average Earnings

$42,005

Average Male

$30,284

Average Female

Hamilton County, Iowa Language

Hamilton County, Iowa Language by Age

Hamilton County, Iowa Language

92.23% of Hamilton County, Iowa residents speak only English, while 7.77% speak other languages. The largest non-English language is Spanish, which is spoken by 4.91% of the population.

Hamilton County, Iowa Poverty

Hamilton County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White13,5231,1888.79%
Hispanic84523627.93%
Other36921758.81%
Asian38716843.41%
Black651624.62%
Multiple15342.61%

10.77%

Overall Poverty Rate

8.90%

Male Poverty Rate

12.59%

Female Poverty Rate

Poverty in Hamilton County, Iowa

The race most likely to be in poverty in Hamilton County, Iowa is Other, with 58.81% below the poverty level.

The race least likely to be in poverty in Hamilton County, Iowa is Multiple, with 2.61% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.29%. Among those working part-time, it was 11.25%, and for those that did not work, the poverty rate was 19.41%.

Hamilton County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School26.50%
High School10.72%
Some College8.54%
Bachelors or Greater2.59%

Hamilton County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed45.45%
Male Unemployed38.00%
Female Employed5.71%
Male Employed2.63%

Hamilton County, Iowa Income

Hamilton County, Iowa Income by Household Type

Name Median Mean
Households$53,970$66,499
Families$64,531$76,755
Married Families$71,076$
Non Families$26,984$43,703

Hamilton County, Iowa Marital Status

Hamilton County, Iowa Marital Status

Marriage Rates

59.4%

Overall Marriage Rate

60.8%

Male Marriage Rate

58.1%

Female Marriage Rate

Hamilton County, Iowa Married by Age and Sex

Hamilton County, Iowa Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Hamilton County, Iowa Marital Status by Race

Hamilton County, Iowa Veterans

Hamilton County, Iowa Veterans by War

1,106

Number of Veterans

1,001

Male Veterans

105

Female Veterans

Name Veterans
Vietnam373
Korea191
First Gulf War124
Second Gulf War100
World War II94

Hamilton County, Iowa Veterans by Age

Name Veterans
75+375
65 to 74303
35 to 54248
55 to 64141
18 to 3439

Hamilton County, Iowa Veterans by Race

Name Veterans % of Total
White1,1049.91%
Hispanic81.76%
Black23.57%

Hamilton County, Iowa Veterans by Education

6.35%

Veteran Poverty Rate

40.90%

Veteran Disability Rate

Hamilton County, Iowa Employment Status

Hamilton County, Iowa Employment by Age

64.5%

Labor Force Participation

62.6%

Employment Rate

3%

Unemployment Rate

Hamilton County, Iowa Employment by Race

Hamilton County, Iowa Employment by Education

Population of Cities in Hamilton County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Webster City80707756-314-3.89%
Jewell Junction12151176-39-3.21%
Stratford 743718-25-3.36%
Ellsworth531503-28-5.27%
Stanhope422408-14-3.32%
Williams344333-11-3.20%
Blairsburg215210-5-2.33%
Kamrar19919900.00%
Randall173167-6-3.47%
Data Sources
  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