State
County
Land Area (mi²)
10.3 sq mi
Density (mi²)
6,572.50/sq mi
2020 Growth Rate
-0.13%
Growth Since 2010
13.15%
Rank in State
Rank in Country
World Population Review
Gaithersburg, Maryland Population 2021
67,815
Gaithersburg is a city located in Montgomery County Maryland. With a 2020 population of 67,815, it is the 4th largest city in Maryland (after Baltimore, Frederick, and Rockville) and the 550th largest city in the United States . Gaithersburg is currently declining at a rate of -0.13% annually but its population has increased by 13.15% since the most recent census, which recorded a population of 59,933 in 2010. Gaithersburg reached it's highest population of 68,070 in 2018. Spanning over 10 miles, Gaithersburg has a population density of 6,572 people per square mile.
The average household income in Gaithersburg is $118,318 with a poverty rate of 9.46%. The median rental costs in recent years comes to $1,740 per month, and the median house value is $392,200. The median age in Gaithersburg is 36.5 years, 34.7 years for males, and 38.2 years for females.
Gaithersburg Demographics
According to the most recent ACS, the racial composition of Gaithersburg was:
- White: 48.76%
- Asian: 18.87%
- Black or African American: 17.83%
- Other race: 9.32%
- Two or more races: 4.84%
- Native American: 0.37%
- Native Hawaiian or Pacific Islander: 0.01%
The current population of Gaithersburg, Maryland is 67,815 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 68,070.The last official US Census in 2010 recorded the population at 59,933.
Gaithersburg, Maryland Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 33,028 | 48.76% |
| Asian | 12,784 | 18.87% |
| Black or African American | 12,079 | 17.83% |
| Some Other Race | 6,314 | 9.32% |
| Two or More Races | 3,280 | 4.84% |
| American Indian and Alaska Native | 252 | 0.37% |
| Native Hawaiian and Other Pacific Islander | 5 | 0.01% |
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Gaithersburg Population by Race
Gaithersburg Population Pyramid $2021
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Gaithersburg Population by Age
Gaithersburg Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 24,799 | 2.72 | 51.2 |
| Married | 12,247 | 3.49 | 59.2 |
| Non Family | 8,417 | 1.33 | 40.8 |
| Female | 3,237 | 3.26 | 51.9 |
| Male | 898 | 3.23 | 38.1 |
3.33
Average Family Size
2.72
Average Household Size
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Gaithersburg Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 3,279 | 7.15% |
| 9th to 12th Grade | 2,160 | 4.71% |
| High School Graduate | 6,696 | 14.59% |
| Some College | 6,336 | 13.81% |
| Associates Degree | 2,622 | 5.71% |
| Bachelors Degree | 12,425 | 27.08% |
| Graduate Degree | 12,370 | 26.96% |
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Gaithersburg Educational Attainment by Sex (over 25)
Gaithersburg Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 17,677 | 17,204 | 12,098 |
| Hispanic | 9,880 | 6,305 | 1,667 |
| Asian | 9,681 | 9,018 | 6,837 |
| Black | 7,388 | 6,733 | 3,411 |
| Other Race | 3,826 | 2,017 | 515 |
| 2+ Races | 1,696 | 1,531 | 835 |
| Native American | 164 | 106 | 27 |
| Islander | 5 | 5 |
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 70.62%.
Gaithersburg Educational Attainment by Race
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$51,128
Average Earnings
$57,639
Average Male
$44,567
Average Female
Gaithersburg Earnings by Educational Attainment
Gaithersburg Language by Age
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Gaithersburg Language
51.18% of Gaithersburg residents speak only English, while 48.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 22.79% of the population.
Gaithersburg Language
Gaithersburg Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 16,800 | 2,143 | 12.76% |
| Black | 12,001 | 1,567 | 13.06% |
| White | 23,130 | 1,276 | 5.52% |
| Asian | 12,776 | 1,087 | 8.51% |
| Other | 6,211 | 1,068 | 17.20% |
| Multiple | 3,280 | 412 | 12.56% |
9.46%
Overall Poverty Rate
8.90%
Male Poverty Rate
9.99%
Female Poverty Rate
Poverty in Gaithersburg
The race most likely to be in poverty in Gaithersburg is Other, with 17.20% below the poverty level.
The race least likely to be in poverty in Gaithersburg is White, with 5.52% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.28%. Among those working part-time, it was 11.74%, and for those that did not work, the poverty rate was 17.38%.
Gaithersburg Poverty
Gaithersburg Poverty Rate by Education
Gaithersburg Marital Status
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Marriage Rates
51.0%
Overall Marriage Rate
54.0%
Male Marriage Rate
48.3%
Female Marriage Rate
Gaithersburg Married by Age and Sex
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Gaithersburg Marriage
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Gaithersburg Marital Status by Race
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Gaithersburg Marital Status
Gaithersburg Veterans by War
Gaithersburg Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 1,539 | 5.92% |
| Black | 540 | 6.20% |
| Hispanic | 256 | 2.17% |
| Asian | 154 | 1.46% |
| 2+ Races | 80 | 3.98% |
| Other Race | 72 | 1.53% |
| Native American | 22 | 12.15% |
Gaithersburg Veterans by Race
Gaithersburg Veterans by Education
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4.64%
Veteran Poverty Rate
15.96%
Veteran Disability Rate
Gaithersburg Veterans by Education
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73.7%
Labor Force Participation
69.4%
Employment Rate
5.5%
Unemployment Rate
Gaithersburg Employment by Age
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Gaithersburg Employment by Race
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Gaithersburg 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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61.87%
Native Born
38.13%
Foreign Born
21.28%
Non Citizen
16.84%
Naturalized
Place of Birth
61.87% of Gaithersburg residents were born in the United States, with 26.08% having been born in Maryland. 21.28% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Gaithersburg Place of Birth
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 67,815 | -85 | -0.13% |
| 2020 | 67,900 | -85 | -0.13% |
| 2019 | 67,985 | -85 | -0.12% |
| 2018 | 68,070 | 83 | 0.12% |
| 2017 | 67,987 | 400 | 0.59% |
| 2016 | 67,587 | 506 | 0.75% |
| 2015 | 67,081 | 563 | 0.85% |
| 2014 | 66,518 | 845 | 1.29% |
| 2013 | 65,673 | 2,636 | 4.18% |
| 2012 | 63,037 | 1,597 | 2.60% |
| 2011 | 61,440 | 1,255 | 2.09% |
| 2010 | 60,185 | 7,572 | 1.35% |
| 2000 | 52,613 | 13,071 | 2.90% |
| 1990 | 39,542 | 13,118 | 4.11% |
| 1980 | 26,424 | 18,080 | 12.22% |
| 1970 | 8,344 | 4,497 | 8.05% |
| 1960 | 3,847 | 2,847 | 6.97% |
| 1940 | 1,000 | 500 | 1.75% |
| 1900 | 500 | 0.00% |