Washington County, Maryland Population 2024

156,376

Washington County, Maryland's estimated 2024 population is 156,376 with a growth rate of 0.25% in the past year according to the most recent United States census data. Washington County, Maryland is the 11th largest county in Maryland. The 2010 population was 147,727 and has seen a growth of 5.85% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029158,3413930.25%
2028157,9483930.25%
2027157,5553930.25%
2026157,1623930.25%
2025156,7693930.25%
2024156,3763930.25%
2023155,9833930.25%
2022155,5903930.25%
2021155,1975200.34%
2020154,6773,6112.39%
2019151,0663670.24%
2018150,6994520.3%
2017150,2475320.36%
2016149,7155550.37%
2015149,160320.02%
2014149,128730.05%
2013149,055-35-0.02%
2012149,0902830.19%
2011148,8071,0800.73%
2010147,727
1990121,3938,3077.35%
1980113,0869,2578.92%
1970103,82912,61013.82%
196091,21912,33315.63%
195078,88610,04814.6%
194068,8382,9564.49%
193065,8826,18810.37%
192059,69410,07720.31%
191049,6174,4849.94%
190045,1335,35113.45%
189039,7821,2213.17%
188038,5613,84911.09%
187034,7123,29510.49%
186031,4175691.84%
185030,8481,9986.93%
184028,8503,58214.18%
183025,2682,1939.5%
182023,0754,34523.2%
181018,730800.43%
180018,6502,82817.87%
179015,822-142,519-90.01%
showing: 41 rows
2024 Growth Rate
0.25% (393)
County Website
Washington County
County Seat
2010 Population
147,727
Area
458 mi²
Density
341 people/mi²
Growth Since 2010
5.85% (8,649)
Founded
September 6, 1776

Washington County, Maryland Population 2024

Population by Race

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Race
Population
Percentage (of total)
White121,67178.68%
Black or African American17,44511.28%
Two or more races10,2946.66%
Asian2,6931.74%
Other race2,1781.41%
Native American2090.14%
Native Hawaiian or Pacific Islander1550.1%
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Washington County, Maryland Population by Race

Washington County, Maryland Population Pyramid 2024

Washington County, Maryland Median Age

40.9

Total

39.3

Male

42.4

Female

Washington County, Maryland Adults

There are 121,108 adults, (27,391 of whom are seniors) in Washington County, Maryland.

Washington County, Maryland Age Dependency

65

Age Dependency Ratio

29.2

Old Age Dependency Ratio

35.8

Child Dependency Ratio

Washington County, Maryland Sex Ratio

Female75,89049.07%
Male78,75550.93%

Washington County, Maryland Population by Age

Washington County, Maryland Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All59,0512.4965.434.6
Married28,4763.0781.518.5
Non Family19,2831.2349.850.2
Female7,4773.2143.756.3
Male3,8153.0766.433.6
showing: 5 rows

2.98

Average Family Size

2.49

Average Household Size

65.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Washington County, Maryland Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Washington County, Maryland Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 91.97%.

The highest rate of bachelors degrees is among asian people with a rate of 65.97%.

Washington County, Maryland Educational Attainment by Race

All

Male

Female

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$50,143

Average Earnings

$57,963

Average Male

$41,819

Average Female

Washington County, Maryland Earnings by Educational Attainment

Washington County, Maryland Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Washington County, Maryland Language

91.8% of Washington County, Maryland residents speak only English, while 8.2% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.82% of the population.

Washington County, Maryland Language

Washington County, Maryland Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White114,97111,1679.71%
Black13,4743,08622.9%
Multiple10,0302,31823.11%
Hispanic9,0661,93521.34%
Other2,11574735.32%
Asian2,63828510.8%
Native1235343.09%
showing: 7 rows

12.35%

Overall Poverty Rate

11.07%

Male Poverty Rate

13.58%

Female Poverty Rate

Poverty in Washington County, Maryland

The race most likely to be in poverty in Washington County, Maryland is Native, with 43.09% below the poverty level.

The race least likely to be in poverty in Washington County, Maryland is White, with 9.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.42%. Among those working part-time, it was 14.06%, and for those that did not work, the poverty rate was 20.57%.

Washington County, Maryland Poverty

rate

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Rate
Poverty
Less Than 9th Grade23.92%
High School12.16%
Some College9.75%
Bachelors or Greater3.61%
showing: 4 rows

Washington County, Maryland Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed43.67%
Male Unemployed21.72%
Female Employed5.66%
Male Employed4.49%
showing: 4 rows

Washington County, Maryland Poverty Rate by Employment Status and Sex

Washington County, Maryland Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Washington County, Maryland Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.8%

Overall Marriage Rate

47.4%

Male Marriage Rate

48.2%

Female Marriage Rate

Washington County, Maryland Married by Age and Sex

male

female

Washington County, Maryland 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 55-64.

Washington County, Maryland Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Washington County, Maryland Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

8,855

Number of Veterans

8,072

Male Veterans

783

Female Veterans

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Washington County, Maryland Veterans by War

count

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Washington County, Maryland Veterans by Age

count

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Washington County, Maryland Veterans by Race

Washington County, Maryland Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.68%

Veteran Poverty Rate

27.45%

Veteran Disability Rate

Washington County, Maryland Veterans by Education

LaborForceParticipation

60%

Labor Force Participation

56.8%

Employment Rate

5%

Unemployment Rate

Washington County, Maryland Employment by Age

LaborForceParticipation

Washington County, Maryland Employment by Race

LaborForceParticipation

Washington 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

63.49%

Born in Washington County, Maryland

94.41%

Native Born

5.59%

Foreign Born

2.74%

Non Citizen

2.85%

Naturalized

Place of Birth

94.41% of Washington County, Maryland residents were born in the United States, with 63.49% having been born in Maryland. 2.74% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Washington County, Maryland Place of Birth

Sources