CITY · 1990 CENSUS
Gaithersburg
Maryland · 39,542 residents · 10.321 sq mi
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Part of the Washington metro area
The short version
Gaithersburg is significantly wealthier than the US average, with a median household income of $43,644. Population has fallen 25% since 2000, a loss of 13,071 residents. 40% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $147,100. Poverty is rare here, at 6.0% of residents.
At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 30.6
US median: 33.0
More educated
40% hold a bachelor's degree
US average: 20%
Less affordable
home values up 25%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
202470K
Age distribution, 1990
Under 59.1%(3,594)
5 to 96.3%(2,502)
10 to 146%(2,359)
15 to 195.3%(2,076)
20 to 248.6%(3,382)
25 to 3426.4%(10,428)
35 to 4416.9%(6,697)
45 to 5410.3%(4,070)
55 to 644.7%(1,863)
65 to 743%(1,190)
75 to 842.5%(978)
85 and over1%(403)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$43,644
−4%inflation adjusted, since 2000
vs $59,879 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$147,100
+25%inflation adjusted, since 2000
vs $154,900 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Gaithersburg on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic49.1%(25,818)
Black14.2%(7,457)
Hispanic / Latino19.8%(10,398)
Asian13.7%(7,205)
Other0%
1990
White, non-Hispanic72.1%(28,492)
Black13%(5,129)
Hispanic / Latino9%(3,554)
Asian10.2%(4,033)
Other4.8%(1,888)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Central American18.9%(13,165)
Salvadoran13.4%(9,366)
South American6.1%(4,239)
Honduran2.5%(1,736)
Guatemalan1.9%(1,340)
Peruvian1.8%(1,270)
Mexican1.5%(1,019)
Bolivian1.1%(756)
Colombian1.1%(747)
Nicaraguan1%(685)
Venezuelan0.9%(650)
Ecuadorian0.7%(522)
+ 9 more hispanic origin groups with data
Puerto Rican0.7%(479)
Dominican0.4%(246)
Spaniard0.3%(211)
Argentine0.2%(151)
Chilean0.2%(110)
Cuban0.1%(87)
Panamanian0%(31)
Costa Rican0%(7)
Paraguayan0%(1)
Asian origin
Asian Indian6.3%(4,401)
Chinese6%(4,200)
Korean2%(1,362)
Filipino1.5%(1,071)
Vietnamese1.3%(896)
Taiwanese0.5%(349)
Sri Lankan0.4%(281)
Pakistani0.3%(220)
Indonesian0.2%(170)
Japanese0.2%(168)
Thai0.2%(158)
Burmese0.2%(142)
+ 5 more asian origin groups with data
Ancestry
German5.7%(3,984)
Irish4.8%(3,327)
Subsaharan African4.7%(3,295)
English4.7%(3,274)
American2.5%(1,759)
Italian2.4%(1,643)
Polish1.5%(1,059)
French1.4%(989)
Russian1.4%(971)
West Indian1.1%(750)
Iranian1%(723)
Brazilian1%(669)
+ 47 more ancestry groups with data
Scottish0.9%(632)
Arab0.8%(561)
British0.8%(544)
Ghanaian0.5%(384)
Jamaican0.5%(339)
Romanian0.5%(333)
Ethiopian0.5%(326)
Ukrainian0.4%(313)
Austrian0.4%(276)
Nigerian0.4%(254)
Greek0.3%(241)
Scotch-Irish0.3%(241)
Swedish0.3%(217)
Moroccan0.3%(216)
Dutch0.3%(209)
Armenian0.3%(202)
Portuguese0.3%(192)
Norwegian0.3%(183)
Slovak0.3%(180)
Hungarian0.2%(173)
Trinidadian & Tobagonian0.2%(138)
Haitian0.2%(136)
Czech0.2%(134)
Turkish0.2%(120)
Canadian0.2%(108)
Lebanese0.2%(105)
French Canadian0.1%(101)
Welsh0.1%(100)
Israeli0.1%(96)
Danish0.1%(95)
Swiss0.1%(84)
Kenyan0.1%(77)
Latvian0.1%(62)
Lithuanian0.1%(60)
Barbadian0.1%(43)
Guyanese0.1%(40)
Iraqi0.1%(38)
Bulgarian0.1%(35)
Belgian0%(32)
Slovene0%(27)
Croatian0%(16)
Cape Verdean0%(15)
Australian0%(14)
Egyptian0%(13)
Palestinian0%(11)
Syrian0%(11)
Finnish0%(9)
Section 05
Education
High school or higher
86.7%
+1.1 ptsvs 2000
vs 85.6% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married39.2%(10,579)
Married52.5%(14,161)
Widowed2.2%(586)
Divorced6.1%(1,659)
Women 15+
Never married34.2%(10,097)
Married46%(13,556)
Widowed7.3%(2,142)
Divorced12.5%(3,699)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Income$112,975+159%
Home value$463,500+215%
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GAITHERSBURG VS
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GAITHERSBURG VS
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Frequently asked
How many people live in Gaithersburg, Maryland?
Gaithersburg, Maryland has about 39,542 residents according to the 1990 Census.
What is the median household income in Gaithersburg, Maryland?
The typical household in Gaithersburg, Maryland earns about $43,644 a year. Half of households make more than that, and half make less.
Is Gaithersburg, Maryland expensive?
In Gaithersburg, Maryland, the median home is worth about $147,100, and the typical rent is about $678 a month.
How educated are people in Gaithersburg, Maryland?
About 39.6% of adults age 25 and over in Gaithersburg, Maryland hold a bachelor's degree or higher.
What is the poverty rate in Gaithersburg, Maryland?
About 6.0% of people in Gaithersburg, Maryland live below the federal poverty line.
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MarylandDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024