Montgomery County, Ohio Population 2024

534,118

Montgomery County, Ohio's estimated 2024 population is 534,118 with a growth rate of 0.06% in the past year according to the most recent United States census data. Montgomery County, Ohio is the 5th largest county in Ohio. The 2010 population was 535,620 and has seen a growth of -0.28% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029535,7283220.06%
2028535,4063220.06%
2027535,0843220.06%
2026534,7623220.06%
2025534,4403220.06%
2024534,1183220.06%
2023533,7963220.06%
2022533,474-2,681-0.5%
2021536,155-964-0.18%
2020537,1194,9800.94%
2019532,1391850.03%
2018531,954-100%
2017531,964-310-0.06%
2016532,2742150.04%
2015532,059-649-0.12%
2014532,708-1,740-0.33%
2013534,448-160%
2012534,464-174-0.03%
2011534,638-982-0.18%
2010535,62000%
1990573,8092,1120.37%
1980571,697-34,451-5.68%
1970606,14879,06815%
1960527,080128,63932.29%
1950398,441102,96134.85%
1940295,48021,9998.04%
1930273,48163,94930.52%
1920209,53245,76927.95%
1910163,76333,61725.83%
1900130,14629,29429.05%
1890100,85222,30228.39%
188078,55014,54422.72%
187064,00611,77622.55%
186052,23014,01236.66%
185038,2186,28019.66%
184031,9387,57631.1%
183024,3628,36352.27%
182015,9998,277107.19%
18107,722-528,006-98.56%
2024 Growth Rate
0.06% (322)
County Website
Montgomery County
State
Ohio
County Seat
Dayton
2020 Population
537,119
Area
461 mi²
Density
1159 people/mi²
Growth Since 2020
-0.56% (-3,001)
Founded
May 1, 1803

Population by Race

Race
Population
Percentage (of total)
White377,28270.37%
Black or African American109,49820.42%
Two or more races29,3935.48%
Asian11,9542.23%
Other race6,9971.31%
Native American8880.17%
Native Hawaiian or Pacific Islander1090.02%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Montgomery County, Ohio Population by Race

Montgomery County, Ohio Population Pyramid 2024

Montgomery County, Ohio Median Age

39

Total

37.3

Male

40.6

Female

Montgomery County, Ohio Adults

There are 418,050 adults, (97,598 of whom are seniors) in Montgomery County, Ohio.

Montgomery County, Ohio Age Dependency

67.3

Age Dependency Ratio

30.5

Old Age Dependency Ratio

36.8

Child Dependency Ratio

Montgomery County, Ohio Sex Ratio

Female276,12651.5%
Male259,99548.5%

Montgomery County, Ohio Population by Age

Montgomery County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All228,0622.2762.337.7
Non Family96,3821.251.448.6
Married88,8773.0282.517.5
Female31,6783.1641.958.1
Male11,1253.0453.646.4

2.96

Average Family Size

2.27

Average Household Size

62.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Montgomery County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade22,0465.99%
Associates Degree37,38610.16%
Bachelors Degree65,79217.88%
Graduate Degree44,50112.09%
High School Graduate102,47227.84%
Less Than 9th Grade8,4822.3%
Some College87,33223.73%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Montgomery County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White268,389249,91185,500
Black70,97663,55314,605
2+ Races12,33010,9613,363
Hispanic9,4226,9272,476
Asian8,3466,9964,844
Other Race4,2352,951806
Native American508425111
Islander57570

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 58.04%.

Montgomery County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,028$71,638$48,387
Graduate Degree$81,291$94,969$70,514
High School Graduate$36,744$43,571$28,435
Less Than 9th Grade$30,130$35,231$22,729
Overall$45,101$52,324$37,821
Some College$39,913$48,365$34,677

$45,101

Average Earnings

$52,324

Average Male

$37,821

Average Female

Montgomery County, Ohio Earnings by Educational Attainment

Montgomery County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Montgomery County, Ohio Language

93.63% of Montgomery County, Ohio residents speak only English, while 6.37% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.23% of the population.

Montgomery County, Ohio Language

Montgomery County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White357,70838,39910.73%
Black107,12529,27427.33%
Multiple28,6086,49022.69%
Hispanic17,6414,26524.18%
Other6,7981,95228.71%
Asian11,5141,41912.32%
Native88126530.08%
Islander8666.98%

15.12%

Overall Poverty Rate

14.03%

Male Poverty Rate

16.14%

Female Poverty Rate

Poverty in Montgomery County, Ohio

The race most likely to be in poverty in Montgomery County, Ohio is Native, with 30.08% below the poverty level.

The race least likely to be in poverty in Montgomery County, Ohio is Islander, with 6.98% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.24%. Among those working part-time, it was 19.57%, and for those that did not work, the poverty rate was 22.75%.

Montgomery County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade30.91%
High School15.28%
Some College11.22%
Bachelors or Greater5.11%

Montgomery County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed37.35%
Male Unemployed34.55%
Female Employed8.61%
Male Employed4.86%

Montgomery County, Ohio Poverty Rate by Employment Status and Sex

Montgomery County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$81,910$102,941
Households$61,942$82,621
Married Families$103,306$125,662
Non Families$39,222$51,422

mean

median

Income by Household Type

Montgomery County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.7%

Overall Marriage Rate

44.8%

Male Marriage Rate

40.9%

Female Marriage Rate

Montgomery County, Ohio Married by Age and Sex

male

female

Montgomery 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.

Montgomery County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Montgomery County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

36,415

Number of Veterans

31,607

Male Veterans

4,808

Female Veterans

War
Veterans
Vietnam12,452
First Gulf War9,564
Second Gulf War8,400
Korea1,752
World War II462

Montgomery County, Ohio Veterans by War

count

Age Group
Veterans
65 to 749,222
35 to 548,678
75+7,985
55 to 647,519
18 to 343,011

Montgomery County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White27,4049.03%
Black7,1168.67%
2+ Races1,3158.76%
Hispanic6155.3%
Asian3623.75%
Other Race1312.67%
Native American609.68%
Islander2742.86%

Montgomery County, Ohio Veterans by Race

Montgomery County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.08%

Veteran Poverty Rate

26.7%

Veteran Disability Rate

Montgomery County, Ohio Veterans by Education

LaborForceParticipation

62.7%

Labor Force Participation

58.5%

Employment Rate

5.9%

Unemployment Rate

Montgomery County, Ohio Employment by Age

LaborForceParticipation

Montgomery County, Ohio Employment by Race

LaborForceParticipation

Montgomery 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

70.42%

Born in Montgomery County, Ohio

95.01%

Native Born

4.99%

Foreign Born

2.4%

Non Citizen

2.6%

Naturalized

Place of Birth

95.01% of Montgomery County, Ohio residents were born in the United States, with 70.42% having been born in Ohio. 2.4% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Montgomery County, Ohio Place of Birth

Sources