Hamilton County, Ohio Population 2024

829,395

Hamilton County, Ohio's estimated 2024 population is 829,395 with a growth rate of 0.28% in the past year according to the most recent United States census data. Hamilton County, Ohio is the 3rd largest county in Ohio. The 2010 population was 802,295 and has seen a growth of 3.38% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029841,0802,3370.28%
2028838,7432,3370.28%
2027836,4062,3370.28%
2026834,0692,3370.28%
2025831,7322,3370.28%
2024829,3952,3370.28%
2023827,0582,3370.28%
2022824,721-2,709-0.33%
2021827,430-2,947-0.35%
2020830,37711,7241.43%
2019818,6532,8000.34%
2018815,8531,1600.14%
2017814,6932,9270.36%
2016811,7661,8640.23%
2015809,9021,9800.25%
2014807,9222,5140.31%
2013805,4082,8440.35%
2012802,5641,8180.23%
2011800,746-1,549-0.19%
2010802,29500%
1990866,228-6,996-0.8%
1980873,224-50,794-5.5%
1970924,01859,8976.93%
1960864,121140,16919.36%
1950723,952101,96516.39%
1940621,98732,6315.54%
1930589,35695,67819.38%
1920493,67832,9467.15%
1910460,73251,25312.52%
1900409,47934,9069.32%
1890374,57361,19919.53%
1880313,37453,00420.36%
1870260,37043,96020.31%
1860216,41059,56637.98%
1850156,84476,69995.7%
184080,14527,82853.19%
183052,31720,55364.71%
182031,76416,506108.18%
181015,2585663.85%
180014,692-826,388-98.25%
2024 Growth Rate
0.28% (2,337)
County Website
Hamilton County
State
Ohio
County Seat
Cincinnati
2020 Population
830,377
Area
405 mi²
Density
2048 people/mi²
Growth Since 2020
-0.12% (-982)
Founded
January 2, 1790

Population by Race

Race
Population
Percentage (of total)
White541,41265.41%
Black or African American210,35325.42%
Two or more races41,0954.97%
Asian23,0562.79%
Other race10,3321.25%
Native American8870.11%
Native Hawaiian or Pacific Islander5360.06%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Hamilton County, Ohio Population by Race

Hamilton County, Ohio Population Pyramid 2024

Hamilton County, Ohio Median Age

36.8

Total

35.6

Male

38.3

Female

Hamilton County, Ohio Adults

There are 638,586 adults, (132,426 of whom are seniors) in Hamilton County, Ohio.

Hamilton County, Ohio Age Dependency

63.5

Age Dependency Ratio

26.2

Old Age Dependency Ratio

37.4

Child Dependency Ratio

Hamilton County, Ohio Sex Ratio

Female425,33551.39%
Male402,33648.61%

Hamilton County, Ohio Population by Age

Hamilton County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All348,4912.3259.240.8
Non Family150,2771.2642.357.7
Married135,0483.0985.214.8
Female48,1753.2338.961.1
Male14,9913.1858.741.3

3.05

Average Family Size

2.32

Average Household Size

59.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Hamilton County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade30,8915.51%
Associates Degree45,8118.17%
Bachelors Degree135,72724.22%
Graduate Degree90,23316.1%
High School Graduate143,69525.64%
Less Than 9th Grade13,1432.34%
Some College100,97618.02%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Hamilton County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White382,109361,608178,326
Black133,160115,78526,421
2+ Races17,57915,5917,016
Asian15,28713,72010,552
Hispanic14,77611,7125,292
Other Race5,5884,5761,563
Native American520463112
Islander34026724

The highest rate of high school graduation is among white people with a rate of 94.63%.

The highest rate of bachelors degrees is among asian people with a rate of 69.03%.

Hamilton County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$62,469$76,742$52,921
Graduate Degree$79,953$95,066$70,016
High School Graduate$34,408$38,579$30,359
Less Than 9th Grade$27,604$33,110$21,862
Overall$48,152$56,215$42,257
Some College$41,838$49,334$36,391

$48,152

Average Earnings

$56,215

Average Male

$42,257

Average Female

Hamilton County, Ohio Earnings by Educational Attainment

Hamilton County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Hamilton County, Ohio Language

92.6% of Hamilton County, Ohio residents speak only English, while 7.4% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.54% of the population.

Hamilton County, Ohio Language

Hamilton County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Black205,56556,55027.51%
White516,97245,3468.77%
Hispanic30,4008,61828.35%
Multiple40,3648,29020.54%
Other10,1053,02929.98%
Asian22,5982,53211.2%
Islander52938973.53%
Native84929234.39%

14.88%

Overall Poverty Rate

13.46%

Male Poverty Rate

16.22%

Female Poverty Rate

Poverty in Hamilton County, Ohio

The race most likely to be in poverty in Hamilton County, Ohio is Islander, with 73.53% below the poverty level.

The race least likely to be in poverty in Hamilton County, Ohio is White, with 8.77% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.54%. Among those working part-time, it was 19.96%, and for those that did not work, the poverty rate was 23.75%.

Hamilton County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade33.59%
High School16.28%
Some College10.8%
Bachelors or Greater4.03%

Hamilton County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed40.85%
Male Unemployed32.47%
Female Employed8.72%
Male Employed5.74%

Hamilton County, Ohio Poverty Rate by Employment Status and Sex

Hamilton County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$93,205$126,576
Households$68,249$99,653
Married Families$119,289$157,190
Non Families$41,899$61,440

mean

median

Income by Household Type

Hamilton County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.7%

Overall Marriage Rate

44.7%

Male Marriage Rate

40.9%

Female Marriage Rate

Hamilton County, Ohio Married by Age and Sex

male

female

Hamilton County, Ohio Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Hamilton County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Hamilton County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

37,263

Number of Veterans

33,820

Male Veterans

3,443

Female Veterans

War
Veterans
Vietnam13,446
First Gulf War6,363
Second Gulf War5,876
Korea2,602
World War II1,193

Hamilton County, Ohio Veterans by War

count

Age Group
Veterans
75+10,348
65 to 7410,340
55 to 647,008
35 to 546,998
18 to 342,569

Hamilton County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White25,3865.81%
Black9,7076.33%
2+ Races1,2885.88%
Other Race67810.13%
Hispanic6673.68%
Asian1170.65%
Native American547.39%
Islander338.33%

Hamilton County, Ohio Veterans by Race

Hamilton County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.98%

Veteran Poverty Rate

27.88%

Veteran Disability Rate

Hamilton County, Ohio Veterans by Education

LaborForceParticipation

66.5%

Labor Force Participation

63.2%

Employment Rate

5%

Unemployment Rate

Hamilton County, Ohio Employment by Age

LaborForceParticipation

Hamilton County, Ohio Employment by Race

LaborForceParticipation

Hamilton County, Ohio 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

71.03%

Born in Hamilton County, Ohio

94.08%

Native Born

5.92%

Foreign Born

3.16%

Non Citizen

2.76%

Naturalized

Place of Birth

94.08% of Hamilton County, Ohio residents were born in the United States, with 71.03% having been born in Ohio. 3.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Hamilton County, Ohio Place of Birth

Sources