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CITY · 1990 CENSUS

Gaithersburg

Maryland · 39,542 residents · 10.3 sq mi
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The short version

Gaithersburg is home to 39,542 people in Maryland. This is an unusually credentialed place: 40% of adults have a four-year degree. 50% of homes are owner-occupied. The typical home is worth $147,100. Renters pay $678 a month at the median. The median household earns $43,644, about 45% above the national median.

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

Total population
39,542
−25%vs 2000
vs 52,613 in 2000
1990 – 2025
Median age
30.6
−9%vs 2000
vs 33.6 in 2000
US average: 33.0
Land area
10.3 sq mi
Population, 1990 – 2024
37K46K55K64K73K19902000201020202024Gaithersburg
202470K
1990201020202024
Age distribution, 1990
Under 59.1%(3,594)
US avg: 7.3%
5 to 96.3%(2,502)
US avg: 7.3%
10 to 146%(2,359)
US avg: 6.9%
15 to 195.3%(2,076)
US avg: 7.1%
20 to 248.6%(3,382)
US avg: 7.5%
25 to 3426.4%(10,428)
US avg: 17.5%
35 to 4416.9%(6,697)
US avg: 15.1%
45 to 5410.3%(4,070)
US avg: 10.2%
55 to 644.7%(1,863)
US avg: 8.5%
65 to 743%(1,190)
US avg: 7.3%
75 to 842.5%(978)
US avg: 4%
85 and over1%(403)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$43,644
−4%inflation adjusted, since 2000
vs $59,879 in 2000
US average: $30,130
1990 – 2024
Per capita income
$18,845
−31%vs 2000
vs $27,323 in 2000
US average: $14,340
Poverty rate
6.0%
−1.1 ptsvs 2000
vs 7.1% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$147,100
+25%inflation adjusted, since 2000
vs $154,900 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$678
−1%inflation adjusted, since 2000
vs $904 in 2000
US average: $450
Owner-occupied
49.6%
−3.0 ptsvs 2000
vs 52.6% in 2000
50.4% rent
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)
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
Nepalese0.2%(141)
Bangladeshi0.1%(104)
Cambodian0.1%(43)
Mongolian0.1%(40)
Malaysian0%(12)
Pacific Islander origin
Chamorro0.2%(138)
Ancestry
German5.7%(3,984)
Irish4.8%(3,327)
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)
Haitian0.2%(136)
Czech0.2%(134)
Turkish0.2%(120)
Canadian0.2%(108)
Lebanese0.2%(105)
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)
Egyptian0%(13)
Syrian0%(11)
Finnish0%(9)
Section 05

Education

Bachelor's degree or higher
39.6%
−6.9 ptsvs 2000
vs 46.5% in 2000
US average: 20.3%
High school or higher
86.7%
+1.1 ptsvs 2000
vs 85.6% in 2000
US average: 75.2%
Graduate degree
15.9%
−3.9 ptsvs 2000
vs 19.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
26.0 min
+8%vs 2000
vs 24.1 min in 2000
US average: 21.9
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
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
14.4%
−0.4 ptssince 2013
from 14.8% in 2013
US average: 8.4%
Employer-based
55.3%
−6.8 ptssince 2020
from 62.1% in 2020
US average: 54.8%
Direct-purchase
11.1%
−0.5 ptssince 2020
from 11.6% in 2020
US average: 13.8%
Medicare
12.9%
+0.6 ptssince 2020
from 12.3% in 2020
US average: 18.4%
Medicaid
19.1%
+1.0 ptssince 2020
from 18.1% in 2020
US average: 20.9%
VA health care
0.8%
−0.2 ptssince 2020
from 1.0% in 2020
US average: 2.2%
Any private
65.0%
−7.6 ptssince 2020
from 72.6% in 2020
US average: 67.1%
Any public
29.5%
+1.4 ptssince 2020
from 28.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)46.3%(680)
US avg: 26.4%
Gulf War (1990s)26.5%(389)
US avg: 24.3%
Vietnam era26.3%(387)
US avg: 33.1%
Korean War4.1%(61)
US avg: 4.5%
World War II0.9%(13)
US avg: 1%

Share of the 1,470 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Compare Gaithersburg to nearby cities

GAITHERSBURG VS
Flower Hill
Income$112,975+159%
Home value$463,500+215%
Population13,794−81%
SEE FULL COMPARISON →
GAITHERSBURG VS
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Income$95,348+118%
Home value$388,900+164%
Population34,110−52%
SEE FULL COMPARISON →
GAITHERSBURG VS
Redland
Income$132,153+203%
Home value$540,200+267%
Population18,665−74%
SEE FULL COMPARISON →
GAITHERSBURG VS
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Income$117,546+169%
Home value$422,400+187%
Population90,719+28%
SEE FULL COMPARISON →
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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →