Montgomery County, Ohio Population 2021

Montgomery County, Ohio's estimated population is 531,861 with a growth rate of 0.02% in the past year according to the most recent United States census data. Montgomery County, Ohio is the null largest county in Ohio. The 2010 Population was 535,597 and has seen a growth of -0.70% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021531,861870.02%
2020531,774870.02%
2019531,687870.02%
2018531,6001330.03%
2017531,467-351-0.07%
2016531,818410.01%
2015531,777-711-0.13%
2014532,488-1,782-0.33%
2013534,270-64-0.01%
2012534,334-224-0.04%
2011534,558-1,039-0.19%
2010535,597-38,212-6.66%
1990573,8092,1120.37%
1980571,697-34,451-5.68%
1970606,14879,06815.00%
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%
184031,9387,57631.10%
183024,3628,36352.27%
182015,9998,277107.19%
18107,7220.00%
2021 Growth Rate
0.02%
County Website
State
Founded
May 1, 1803[1]
County Seat
2010 Population
535,597
Growth Since 2010
-0.70%
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Montgomery County, Ohio Population Growth

Population by Race

Race Population Percentage
White386,35072.67%
Black or African American108,39720.39%
Two or More Races18,6933.52%
Asian11,4762.16%
Some Other Race5,3351.00%
American Indian and Alaska Native1,2120.23%
Native Hawaiian and Other Pacific Islander2070.04%
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Montgomery County, Ohio Population By Race

Montgomery County, Ohio Population Pyramid 2021

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Montgomery County, Ohio Median Age

39.2


Total

37.3


Male

41.1


Female

Montgomery County, Ohio Adults

There are 413,674 adults, (93,724 of whom are seniors) in Montgomery County, Ohio.

Montgomery County, Ohio Age Dependency

66.2

Age Dependency Ratio

29.3

Old Age Dependency Ratio

36.9

Child Dependency Ratio

Montgomery County, Ohio Sex Ratio

Mujer

275,783

51.87%

Masculino

255,887

48.13%

Montgomery County, Ohio Population by Age

Montgomery County, Ohio Renter vs Owner Occupied by Household Type

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Montgomery County, Ohio Household Types

Type Owner Renter
Married81.8%18.2%
All61%39%
Masculino54%46%
Non Family48.4%51.6%
Mujer41.2%58.8%

61.0%

Rate of Home Ownership

Montgomery County, Ohio Households and Families

Type Count Average Size Owned
All224,3282.2961
Married90,1783.0181.8
Non Family90,0641.248.4
Mujer33,4143.0241.2
Masculino10,6723.1154

2.93

Average Family Size

2.29

Average Household Size

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Montgomery County, Ohio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade9,5962.63%
9th to 12th Grade26,5307.28%
High School Graduate101,19227.76%
Some College89,89524.66%
Associates Degree35,7019.79%
Bachelors Degree60,95716.72%
Graduate Degree40,68211.16%
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Montgomery County, Ohio Educational Attainment by Sex (over 25)

Montgomery County, Ohio Educational Attainment by Race

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Race Total High School Bachelors
White270,746248,07979,779
Black70,52561,06413,818
Asian8,0666,9294,760
Hispanic8,0125,7651,552
2+ Races6,4135,8361,524
Other Race2,6071,834363
Native American733624118
Islander14013553

The highest rate of high school graduation is among islander people with a rate of 96.43%.

The highest rate of bachelors degrees is among asian people with a rate of 59.01%.

Montgomery County, Ohio Educational Attainment by Race

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Name Average Masculino Mujer
Overall$37,725$44,274$31,734
Less Than 9th Grade$21,679$25,734$17,369
High School Graduate$29,696$35,291$23,359
Some College$33,639$42,168$29,149
Bachelors Degree$51,861$60,836$44,155
Graduate Degree$69,708$79,732$62,421

$37,725

Average Earnings

$44,274

Average Male

$31,734

Average Female

Montgomery County, Ohio Earnings by Educational Attainment

Montgomery County, Ohio Language by Age

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Montgomery County, Ohio Language

93.99% of Montgomery County, Ohio residents speak only English, while 6.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.94% of the population.

Montgomery County, Ohio Language

Montgomery County, Ohio Poverty by Race

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Name Total In Poverty Poverty Rate
White361,41342,40211.73%
Black106,21732,70630.79%
Multiple18,2524,73425.94%
Hispanic15,4824,29727.75%
Asian11,2451,33011.83%
Other5,2091,32325.40%
Native1,20139733.06%
Islander2077938.16%

16.65%

Overall Poverty Rate

15.58%

Male Poverty Rate

17.63%

Female Poverty Rate

Poverty in Montgomery County, Ohio

The race most likely to be in poverty in Montgomery County, Ohio is Islander, with 38.16% below the poverty level.

The race least likely to be in poverty in Montgomery County, Ohio is White, with 11.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.20%. Among those working part-time, it was 21.55%, and for those that did not work, the poverty rate was 22.79%.

Montgomery County, Ohio Poverty

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Name Poverty
Less Than 9th Grade30.77%
High School15.82%
Some College13.13%
Bachelors or Greater4.62%

Montgomery County, Ohio Poverty Rate by Education

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Name Poverty
Female Unemployed52.44%
Male Unemployed34.93%
Female Employed9.28%
Male Employed6.16%

Montgomery County, Ohio Poverty Rate by Employment Status and Sex

Montgomery County, Ohio Income by Household Type

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Name Median Mean
Households$51,542$70,103
Families$67,075$85,497
Married Families$85,327$104,802
Non Families$32,605$44,266
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Income by Household Type

Montgomery County, Ohio Marital Status

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Marriage Rates

43.9%

Overall Marriage Rate

46.2%

Male Marriage Rate

41.8%

Female Marriage Rate

Montgomery County, Ohio Married by Age and Sex

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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

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Montgomery County, Ohio Marital Status

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39,554

Number of Veterans

34,797

Male Veterans

4,757

Female Veterans

War Veterans
Vietnam13,026
First Gulf War8,664
Second Gulf War7,754
Korea3,016
World War II1,414

Montgomery County, Ohio Veterans by War

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Age Group Veterans
35 to 5410,077
65 to 749,262
75+8,759
55 to 647,869
18 to 343,587

Montgomery County, Ohio Veterans by Age

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Name Veterans % of Total
White30,6449.92%
Black7,3419.07%
2+ Races1,05611.78%
Hispanic6736.77%
Asian2903.19%
Other Race1103.39%
Native American10612.03%
Islander73.91%

Montgomery County, Ohio Veterans by Race

Montgomery County, Ohio Veterans by Education

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7.58%

Veteran Poverty Rate

28.25%

Veteran Disability Rate

Montgomery County, Ohio Veterans by Education

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61.9%

Labor Force Participation

57.6%

Employment Rate

6.4%

Unemployment Rate

Montgomery County, Ohio Employment by Age

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Montgomery County, Ohio Employment by Race

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Montgomery County, Ohio Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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70.36%

Born in Montgomery County, Ohio

95.08%

Native Born

4.92%

Foreign Born

2.43%

Non Citizen

2.49%

Naturalized

Place of Birth

95.08% of Montgomery County, Ohio residents were born in the United States, with 70.36% having been born in Ohio. 2.43% 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

  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

Sources