Montgomery County, Maryland Population 2024

1,063,881

Montgomery County, Maryland's estimated 2024 population is 1,063,881 with a growth rate of 0.51% in the past year according to the most recent United States census data. Montgomery County, Maryland is the largest county in Maryland. The 2010 population was 975,619 and has seen a growth of 9.05% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20291,090,9165,4070.5%
20281,085,5095,4070.5%
20271,080,1025,4070.5%
20261,074,6955,4070.51%
20251,069,2885,4070.51%
20241,063,8815,4070.51%
20231,058,4745,4070.51%
20221,053,067-3,126-0.3%
20211,056,193-4,711-0.44%
20201,060,9049,7750.93%
20191,051,1292,3350.22%
20181,048,7941,5550.15%
20171,047,2397,9120.76%
20161,039,3275,9570.58%
20151,033,3708,3070.81%
20141,025,0639,5290.94%
20131,015,53410,2241.02%
20121,005,31013,9851.41%
2011991,32515,7061.61%
2010975,61900%
1990757,027177,97430.74%
1980579,05356,24410.76%
1970522,809181,88153.35%
1960340,928176,527107.38%
1950164,40180,48995.92%
194083,91234,70670.53%
193049,20614,28540.91%
192034,9212,8328.83%
191032,0891,6385.38%
190030,4513,26612.01%
189027,1852,4269.8%
188024,7594,19620.41%
187020,5632,24112.23%
186018,3222,46215.52%
185015,8604042.61%
184015,456-4,360-22%
183019,8163,41620.83%
182016,400-1,580-8.79%
181017,9802,92219.4%
180015,058-2,945-16.36%
179018,003-1,072,913-98.35%
2024 Growth Rate
0.51% (5,407)
County Website
Montgomery County
County Seat
Rockville
2020 Population
1,060,904
Area
493 mi²
Density
2158 people/mi²
Growth Since 2020
0.28% (2,977)
Founded
September 6, 1776

Population by Race

Race
Population
Percentage (of total)
White492,91846.64%
Black or African American195,85918.53%
Asian161,67315.3%
Other race110,46110.45%
Two or more races91,4978.66%
Native American4,0710.39%
Native Hawaiian or Pacific Islander4310.04%

White

Black or African American

Asian

Other race

Two or more races

Native American

Native Hawaiian or Pacific Islander

Montgomery County, Maryland Population by Race

Montgomery County, Maryland Population Pyramid 2024

Montgomery County, Maryland Median Age

39.8

Total

38.5

Male

41

Female

Montgomery County, Maryland Adults

There are 814,659 adults, (170,697 of whom are seniors) in Montgomery County, Maryland.

Montgomery County, Maryland Age Dependency

64.1

Age Dependency Ratio

26.5

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Montgomery County, Maryland Sex Ratio

Female541,22851.21%
Male515,68248.79%

Montgomery County, Maryland Population by Age

Montgomery County, Maryland Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All385,2842.7265.534.5
Married207,4733.3878.821.2
Non Family118,9981.2748.351.7
Female42,7773.3452.847.2
Male16,0363.3754.945.1

3.28

Average Family Size

2.72

Average Household Size

65.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Montgomery County, Maryland Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade27,7543.8%
Associates Degree40,1435.5%
Bachelors Degree198,92427.26%
Graduate Degree239,20032.77%
High School Graduate97,38513.34%
Less Than 9th Grade36,0624.94%
Some College90,39412.39%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Montgomery County, Maryland Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White328,733321,847245,496
Black130,032121,45459,740
Hispanic125,99189,92734,900
Asian119,841108,81981,700
Other Race65,18241,95612,630
2+ Races49,14843,26526,276
Native American2,7731,939678
Islander428386197

The highest rate of high school graduation is among white people with a rate of 97.91%.

The highest rate of bachelors degrees is among white people with a rate of 74.68%.

Montgomery County, Maryland Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$79,560$94,298$66,213
Graduate Degree$116,781$137,354$101,706
High School Graduate$38,687$45,207$32,371
Less Than 9th Grade$31,099$38,402$22,730
Overall$69,666$80,077$60,687
Some College$46,733$51,925$41,827

$69,666

Average Earnings

$80,077

Average Male

$60,687

Average Female

Montgomery County, Maryland Earnings by Educational Attainment

Montgomery County, Maryland Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Montgomery County, Maryland Language

58.1% of Montgomery County, Maryland residents speak only English, while 41.9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.18% of the population.

Montgomery County, Maryland Language

Montgomery County, Maryland Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Black192,96922,36111.59%
Hispanic209,43122,04610.53%
White434,24315,9943.68%
Other109,16114,01312.84%
Asian161,44510,9746.8%
Multiple90,6427,2037.95%
Native4,04145211.19%
Islander429163.73%

7.18%

Overall Poverty Rate

6.43%

Male Poverty Rate

7.89%

Female Poverty Rate

Poverty in Montgomery County, Maryland

The race most likely to be in poverty in Montgomery County, Maryland is Other, with 12.84% below the poverty level.

The race least likely to be in poverty in Montgomery County, Maryland is White, with 3.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.38%. Among those working part-time, it was 9.49%, and for those that did not work, the poverty rate was 14.16%.

Montgomery County, Maryland Poverty

rate

Rate
Poverty
Less Than 9th Grade17.02%
High School11.64%
Some College7.49%
Bachelors or Greater3.18%

Montgomery County, Maryland Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed21.95%
Male Unemployed15.32%
Female Employed3.85%
Male Employed3.16%

Montgomery County, Maryland Poverty Rate by Employment Status and Sex

Montgomery County, Maryland Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$152,137$201,426
Households$125,583$172,866
Married Families$178,036$228,308
Non Families$78,098$102,360

mean

median

Income by Household Type

Montgomery County, Maryland Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.4%

Overall Marriage Rate

56.8%

Male Marriage Rate

50.2%

Female Marriage Rate

Montgomery County, Maryland Married by Age and Sex

male

female

Montgomery County, Maryland 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 45-54.

Montgomery County, Maryland Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Montgomery County, Maryland Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

35,181

Number of Veterans

29,968

Male Veterans

5,213

Female Veterans

War
Veterans
Vietnam10,326
Second Gulf War10,073
First Gulf War9,255
Korea2,792
World War II1,261

Montgomery County, Maryland Veterans by War

count

Age Group
Veterans
75+10,369
35 to 549,131
65 to 747,088
55 to 645,864
18 to 342,729

Montgomery County, Maryland Veterans by Age

count

Name
Veterans
% of Total
White22,9765.79%
Black6,6944.54%
Hispanic3,2472.21%
Asian2,0921.61%
2+ Races2,0103.53%
Other Race1,3081.71%
Native American1013.15%

Montgomery County, Maryland Veterans by Race

Montgomery County, Maryland Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.29%

Veteran Poverty Rate

22.33%

Veteran Disability Rate

Montgomery County, Maryland Veterans by Education

LaborForceParticipation

70.3%

Labor Force Participation

66.5%

Employment Rate

4.8%

Unemployment Rate

Montgomery County, Maryland Employment by Age

LaborForceParticipation

Montgomery County, Maryland Employment by Race

LaborForceParticipation

Montgomery County, Maryland 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

26.07%

Born in Montgomery County, Maryland

67.34%

Native Born

32.66%

Foreign Born

14.02%

Non Citizen

18.64%

Naturalized

Place of Birth

67.34% of Montgomery County, Maryland residents were born in the United States, with 26.07% having been born in Maryland. 14.02% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Montgomery County, Maryland Place of Birth

Sources