Washington County, Maryland's estimated 2024 population is 156,369 with a growth rate of 0.36% 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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 159,149 | 556 | 0.35% |
| 2028 | 158,593 | 556 | 0.35% |
| 2027 | 158,037 | 556 | 0.35% |
| 2026 | 157,481 | 556 | 0.35% |
| 2025 | 156,925 | 556 | 0.36% |
| 2024 | 156,369 | 556 | 0.36% |
| 2023 | 155,813 | 556 | 0.36% |
| 2022 | 155,257 | 114 | 0.07% |
| 2021 | 155,143 | 446 | 0.29% |
| 2020 | 154,697 | 3,631 | 2.4% |
| 2019 | 151,066 | 367 | 0.24% |
| 2018 | 150,699 | 452 | 0.3% |
| 2017 | 150,247 | 532 | 0.36% |
| 2016 | 149,715 | 555 | 0.37% |
| 2015 | 149,160 | 32 | 0.02% |
| 2014 | 149,128 | 73 | 0.05% |
| 2013 | 149,055 | -35 | -0.02% |
| 2012 | 149,090 | 283 | 0.19% |
| 2011 | 148,807 | 1,080 | 0.73% |
| 2010 | 147,727 | 0 | 0% |
| 1990 | 121,393 | 8,307 | 7.35% |
| 1980 | 113,086 | 9,257 | 8.92% |
| 1970 | 103,829 | 12,610 | 13.82% |
| 1960 | 91,219 | 12,333 | 15.63% |
| 1950 | 78,886 | 10,048 | 14.6% |
| 1940 | 68,838 | 2,956 | 4.49% |
| 1930 | 65,882 | 6,188 | 10.37% |
| 1920 | 59,694 | 10,077 | 20.31% |
| 1910 | 49,617 | 4,484 | 9.94% |
| 1900 | 45,133 | 5,351 | 13.45% |
| 1890 | 39,782 | 1,221 | 3.17% |
| 1880 | 38,561 | 3,849 | 11.09% |
| 1870 | 34,712 | 3,295 | 10.49% |
| 1860 | 31,417 | 569 | 1.84% |
| 1850 | 30,848 | 1,998 | 6.93% |
| 1840 | 28,850 | 3,582 | 14.18% |
| 1830 | 25,268 | 2,193 | 9.5% |
| 1820 | 23,075 | 4,345 | 23.2% |
| 1810 | 18,730 | 80 | 0.43% |
| 1800 | 18,650 | 2,828 | 17.87% |
| 1790 | 15,822 | -143,327 | -90.06% |
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 59,051 | 2.49 | 65.4 | 34.6 |
| Married | 28,476 | 3.07 | 81.5 | 18.5 |
| Non Family | 19,283 | 1.23 | 49.8 | 50.2 |
| Female | 7,477 | 3.21 | 43.7 | 56.3 |
| Male | 3,815 | 3.07 | 66.4 | 33.6 |
2.98
Average Family Size
2.49
Average Household Size
65.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$50,143
Average Earnings
$57,963
Average Male
$41,819
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
12.35%
Overall Poverty Rate
11.07%
Male Poverty Rate
13.58%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
47.8%
Overall Marriage Rate
47.4%
Male Marriage Rate
48.2%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.68%
Veteran Poverty Rate
27.45%
Veteran Disability Rate
LaborForceParticipation
60%
Labor Force Participation
56.8%
Employment Rate
5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.