Hamilton County, Indiana Population 2024

377,827

Hamilton County, Indiana's estimated 2024 population is 377,827 with a growth rate of 1.66% in the past year according to the most recent United States census data. Hamilton County, Indiana is the 4th largest county in Indiana. The 2010 population was 276,499 and has seen a growth of 36.65% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029408,7376,1821.54%
2028402,5556,1821.56%
2027396,3736,1821.58%
2026390,1916,1821.61%
2025384,0096,1821.64%
2024377,8276,1821.66%
2023371,6456,1821.69%
2022365,4637,8432.19%
2021357,6208,6242.47%
2020348,99611,0413.27%
2019337,9557,3202.21%
2018330,6357,4102.29%
2017323,2257,0042.21%
2016316,2217,5982.46%
2015308,6235,7021.88%
2014302,9215,9512%
2013296,9707,1492.47%
2012289,8216,4162.26%
2011283,4056,9062.5%
2010276,49900%
1990108,93626,90932.81%
198082,02727,49550.42%
197054,53214,40035.88%
196040,13211,64140.86%
195028,4913,87715.75%
194024,6141,1704.99%
193023,444-778-3.21%
192024,222-2,804-10.38%
191027,026-2,888-9.65%
190029,9143,79114.51%
189026,1231,3225.33%
188024,8013,91918.77%
187020,8823,57220.64%
186017,3104,62636.47%
185012,6842,82928.71%
18409,8558,098460.9%
18301,757-406,980-99.57%
showing: 37 rows
2024 Growth Rate
1.66% (6,182)
County Website
Hamilton County
State
Indiana
County Seat
2020 Population
348,996
Area
394 mi²
Density
959 people/mi²
Growth Since 2020
8.26% (28,831)
Founded
1823

Hamilton County, Indiana Population 2024

Population by Race

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Race
Population
Percentage (of total)
White290,88083.22%
Asian22,5666.46%
Two or more races17,2094.92%
Black or African American14,2604.08%
Other race4,2171.21%
Native American2560.07%
Native Hawaiian or Pacific Islander1390.04%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Hamilton County, Indiana Population by Race

Hamilton County, Indiana Population Pyramid 2024

Hamilton County, Indiana Median Age

37.8

Total

37

Male

38.5

Female

Hamilton County, Indiana Adults

There are 258,714 adults, (45,776 of whom are seniors) in Hamilton County, Indiana.

Hamilton County, Indiana Age Dependency

64.1

Age Dependency Ratio

21.5

Old Age Dependency Ratio

42.6

Child Dependency Ratio

Hamilton County, Indiana Sex Ratio

Female177,28850.72%
Male172,23949.28%

Hamilton County, Indiana Population by Age

Hamilton County, Indiana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All129,7492.6876.323.7
Married82,7363.1988.511.5
Non Family32,3081.2255.544.5
Female10,0303.0451.648.4
Male4,6753.0757.542.5

3.12

Average Family Size

2.68

Average Household Size

76.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Hamilton County, Indiana Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade2,2020.96%
9th to 12th Grade4,3401.88%
High School Graduate34,10914.81%
Some College33,25814.44%
Associates Degree16,4347.14%
Bachelors Degree87,06437.8%
Graduate Degree52,91022.97%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Hamilton County, Indiana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White192,256188,224116,057
Asian14,76913,92711,267
Black9,4299,1755,450
Hispanic8,5997,5264,360
2+ Races7,9597,4334,361
Other Race2,2241,771894
Native American1188119
Islander674224

The highest rate of high school graduation is among white people with a rate of 97.9%.

The highest rate of bachelors degrees is among asian people with a rate of 76.29%.

Hamilton County, Indiana Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$69,035$87,259$53,398
Less Than 9th Grade$35,333$39,949$28,307
High School Graduate$36,488$49,030$28,552
Some College$55,095$64,793$40,626
Bachelors Degree$76,677$100,242$57,942
Graduate Degree$104,074$131,177$81,087

$69,035

Average Earnings

$87,259

Average Male

$53,398

Average Female

Hamilton County, Indiana Earnings by Educational Attainment

Hamilton County, Indiana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Hamilton County, Indiana Language

89.04% of Hamilton County, Indiana residents speak only English, while 10.96% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.72% of the population.

Hamilton County, Indiana Language

Hamilton County, Indiana Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White282,00610,1813.61%
Hispanic15,5881,3598.72%
Multiple17,0991,1866.94%
Black14,0579806.97%
Asian22,5409344.14%
Other4,14659414.33%
Native256103.91%

4.23%

Overall Poverty Rate

3.45%

Male Poverty Rate

4.99%

Female Poverty Rate

Poverty in Hamilton County, Indiana

The race most likely to be in poverty in Hamilton County, Indiana is Other, with 14.33% below the poverty level.

The race least likely to be in poverty in Hamilton County, Indiana is White, with 3.61% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.95%. Among those working part-time, it was 6.31%, and for those that did not work, the poverty rate was 8.54%.

Hamilton County, Indiana Poverty

rate

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Rate
Poverty
Less Than 9th Grade16.8%
High School7.94%
Some College4.2%
Bachelors or Greater1.91%

Hamilton County, Indiana Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed18.09%
Female Unemployed12.45%
Female Employed3.19%
Male Employed1.73%

Hamilton County, Indiana Poverty Rate by Employment Status and Sex

Hamilton County, Indiana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$114,866$151,722
Families$136,081$174,898
Married Families$149,349$189,545
Non Families$58,369$78,007

mean

median

Income by Household Type

Hamilton County, Indiana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

61.9%

Overall Marriage Rate

64.1%

Male Marriage Rate

59.8%

Female Marriage Rate

Hamilton County, Indiana Married by Age and Sex

male

female

Hamilton County, Indiana 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 35-44.

Hamilton County, Indiana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Hamilton County, Indiana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

13,105

Number of Veterans

11,756

Male Veterans

1,349

Female Veterans

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War
Veterans
Vietnam4,514
First Gulf War3,584
Second Gulf War2,683
Korea800
World War II131

Hamilton County, Indiana Veterans by War

count

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Age Group
Veterans
35 to 543,791
75+3,526
65 to 743,093
55 to 641,916
18 to 34779

Hamilton County, Indiana Veterans by Age

count

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Name
Veterans
% of Total
White11,7635.4%
Black5935.69%
2+ Races4064.1%
Hispanic3753.65%
Asian1701.03%
Other Race1304.56%
Islander2517.99%
Native American1810.47%

Hamilton County, Indiana Veterans by Race

Hamilton County, Indiana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.15%

Veteran Poverty Rate

23.93%

Veteran Disability Rate

Hamilton County, Indiana Veterans by Education

LaborForceParticipation

71.3%

Labor Force Participation

69.1%

Employment Rate

2.7%

Unemployment Rate

Hamilton County, Indiana Employment by Age

LaborForceParticipation

Hamilton County, Indiana Employment by Race

LaborForceParticipation

Hamilton County, Indiana Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.11%

Born in Hamilton County, Indiana

90.83%

Native Born

9.17%

Foreign Born

4.43%

Non Citizen

4.75%

Naturalized

Place of Birth

90.83% of Hamilton County, Indiana residents were born in the United States, with 58.11% having been born in Indiana. 4.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Hamilton County, Indiana Place of Birth

Sources