Hamilton County, Indiana Population 2020

Hamilton County, Indiana's estimated population is 323,082 with a growth rate of 2.24% in the past year according to the most recent United States census data. Hamilton County, Indiana is the 4th largest county in Indiana.

Year Population Growth Growth Rate
2018330,0867,0042.17%
2017323,0827,0922.24%
2016315,9907,5112.43%
2015308,4795,6401.86%
2014302,8395,9352.00%
2013296,9047,1322.46%
2012289,7726,4062.26%
2011283,3666,8572.48%
2010276,509167,573153.83%
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%
18409,8558,098460.90%
18301,7570.00%

How Many People Live in Hamilton County, Indiana?

323,082

Hamilton County, Indiana Population Growth

Population by Race

Race Population Percentage
White275,24687.08%
Asian18,2105.76%
Black or African American11,8453.75%
Two or More Races8,2172.60%
Some Other Race2,0960.66%
American Indian and Alaska Native3860.12%
Native Hawaiian and Other Pacific Islander950.03%

Hamilton County, Indiana Population Pyramid 2020

Hamilton County, Indiana Median Age

36.9


Total

36.2


Male

37.5


Female

Hamilton County, Indiana Adults

There are 228,187 adults, (36,042 of whom are seniors) in Hamilton County, Indiana.

Hamilton County, Indiana Age Dependency

64.5

Age Dependency Ratio

18.8

Old Age Dependency Ratio

45.8

Child Dependency Ratio

Hamilton County, Indiana Sex Ratio

Female

161,563

51.11%

Male

154,532

48.89%

Hamilton County, Indiana Households and Families

Hamilton County, Indiana Renter vs Owner Occupied by Household Type

Hamilton County, Indiana Household Types

Type Owner Renter
Married88.7%11.3%
All77.3%22.7%
Male63.4%36.6%
Non Family58.4%41.6%
Female58.2%41.8%

77.3%

Rate of Home Ownership

Type Count Average Size Owned
All116,9822.6977.3
Married72,2273.2588.7
Non Family30,2361.2258.4
Female10,0532.9558.2
Male4,4663.0363.4

3.15

Average Family Size

2.69

Average Household Size

5%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Hamilton County, Indiana Education

Education Attained Count Percentage
Less Than 9th Grade2,0150.98%
9th to 12th Grade5,3642.62%
High School Graduate31,32615.31%
Some College34,27716.75%
Associates Degree13,3976.55%
Bachelors Degree74,86136.59%
Graduate Degree43,36521.19%

Hamilton County, Indiana Educational Attainment by Race

Name Total High School Bachelors
White176,138171,383101,607
Asian11,81411,0628,977
Black7,6737,2913,717
Hispanic6,5625,2982,523
Multiple Races2,3622,2361,500
Other Race1,265922326
Native American30625337
Islander607

The highest rate of high school graduation is among white people with a rate of 97.30%.

The highest rate of bachelors degrees is among asian people with a rate of 75.99%.

Name Average Male Female
Overall$56,175$73,308$43,213
Less Than High School$24,719$29,065$18,385
High School Grad$32,081$40,965$25,974
Some College$42,381$52,439$33,455
Bachelors Degree$65,851$84,490$49,424
Graduate Degree$87,107$107,574$65,861

$56,175

Average Earnings

$73,308

Average Male

$43,213

Average Female

Hamilton County, Indiana Language

Hamilton County, Indiana Language by Age

Hamilton County, Indiana Language

90.40% of Hamilton County, Indiana residents speak only English, while 9.60% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.60% of the population.

Hamilton County, Indiana Poverty

Hamilton County, Indiana Poverty by Race

Name Total In Poverty Poverty Rate
White264,72710,5753.99%
Hispanic12,1621,50312.36%
Multiple8,1951,06312.97%
Asian18,1438924.92%
Black11,5708787.59%
Other2,03342620.95%
Native370267.03%

4.73%

Overall Poverty Rate

4.12%

Male Poverty Rate

5.31%

Female Poverty Rate

Poverty in Hamilton County, Indiana

The race most likely to be in poverty in Hamilton County, Indiana is Other, with 20.95% below the poverty level.

The race least likely to be in poverty in Hamilton County, Indiana is White, with 3.99% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.08%. Among those working part-time, it was 7.67%, and for those that did not work, the poverty rate was 8.85%.

Name Poverty
Less Than High School18.38%
High School8.13%
Some College5.45%
Bachelors or Greater1.56%
Name Poverty
Female Unemployed21.24%
Male Unemployed16.21%
Female Employed3.67%
Male Employed2.08%

Hamilton County, Indiana Income

Hamilton County, Indiana Income by Household Type

Name Median Mean
Households$94,644$125,167
Families$110,749$143,683
Married Families$124,236$158,804
Non Families$52,710$68,526

Hamilton County, Indiana Marital Status

Hamilton County, Indiana Marital Status

Marriage Rates

61.3%

Overall Marriage Rate

63.3%

Male Marriage Rate

59.5%

Female Marriage Rate

Hamilton County, Indiana Married by Age and Sex

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

Hamilton County, Indiana Veterans

13,949

Number of Veterans

12,856

Male Veterans

1,093

Female Veterans

War Veterans
Vietnam4,376
First Gulf War3,409
Second Gulf War2,052
Korea1,316
World War II604
Name Veterans % of Total
White12,5666.24%
Black6057.05%
Hispanic5407.02%
Asian3392.60%
2 or More2608.20%
Other835.65%
Hawaiian5355.79%
Indian4313.61%

$Hamilton County, Indiana Veterans by Education

3.47%

Veteran Poverty Rate

27.09%

Veteran Disability Rate

Hamilton County, Indiana Employment Status

73.3%

Labor Force Participation

71%

Employment Rate

2.9%

Unemployment Rate

Hamilton County, Indiana Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

59.01%

Born in Indiana

92.17%

Native Born

7.83%

Foreign Born

3.81%

Non Citizen

Place of Birth

92.17% of Hamilton County, Indiana residents were born in the United States, with 59.01% having been born in Indiana. 3.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  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