City

Gaithersburg, MD

9 ZIP codes · Montgomery County · Maryland

👥144,191Population

💰$124,373Median HH Income▲ 63% above avg

🎂39.8Median Age

🏠$576,613Median Home Value▲ 107% above avg

🎓62.3%College Grads▲ 61% above avg

📊5.2%Unemployment≈ Avg

People & Population (ACS 2023 — weighted avg)

♂ Male 48.2% Female 51.8% ♀

Race & Ethnicity

White36.3%

Hispanic26.2%

Black13.5%

Asian19.0%

Other4.0%

Age Breakdown

Under 5

5–17

17%

18–24

25–44

27%

45–64

27%

65+

Key Indicators

Median Age	39.8 yrs
Avg HH Size	2.84
Below Poverty	6.8% ▼ 32% below avg
College Grads	62.3% ▲ 61% above avg
Unemployment	5.2% ≈ Avg
No HS Diploma	3,253 (3.7%)
HS Graduate	15,407 (17.4%)
Some College	4,606 (5.2%)
Associates	9,659 (10.9%)
Bachelors	6,273 (7.1%)
Graduate Degree	49,404 (55.8%)

Education

No HS3.7%

HS Grad17.4%

Some College5.2%

Associates10.9%

Bachelors7.1%

Graduate55.8%

Housing & Income

Housing Tenure

Owner65.4%

Renter34.6%

Home Value Distribution

Under $50k

$50k–$100k

$100k–$150k

$150k–$200k

$200k–$300k

$300k–$500k

30%

Over $500k

59%

Financials

Median HH Income	$124,373 ▲ 63% above avg
Median Home Value	$576,612 ▲ 107% above avg
Home/Income Ratio	4.6x (nat avg ~3.5x)
Median Rent	$1,998/mo
Total Housing Units	52,637
Vacant Units	1,879

Income Distribution

Under $25k

$25k–$50k

$50k–$75k

11%

$75k–$100k

13%

$100k–$150k

19%

$150k–$200k

14%

Over $200k

28%

Employment & Commute

How People Get to Work

Drove Alone

65%

Public Transit

Walked

Work From Home

27%

Commute Time

Under 15 min

18%

15–30 min

33%

30–45 min

22%

Over 45 min

27%

Housing Stock

Year Built

Before 1940

1940s–1950s

1960s–1970s

29%

1980s–1990s

14%

2000+

53%

About Gaithersburg, MD

Gaithersburg is a city in Maryland, located in Montgomery County. The city spans 9 ZIP codes and is home to approximately 144,191 residents. It is a middle-aged city, with a median age of 39.82 years.

Economically, Gaithersburg is a upper-middle-income community. The median household income of $124,373 is significantly above the national average. Approximately 6.8% of residents live below the poverty line. The unemployment rate is 5.2%, near the national average.

The real estate market in Gaithersburg is a premium housing market. Median home values stand at $576,612, which is more than double the national average. Renters typically pay around $1,998 per month. Homeownership is high at 65.4%, typical of suburban and family-oriented communities.

The population of Gaithersburg is highly educated. 62.3% of adults hold a bachelor's degree or higher — significantly above the national average. The community is racially diverse, with White as the largest group at 36.3%.

Gaithersburg, MD offers residents above-average earning potential within Maryland. Spread across 9 ZIP codes, the city's neighborhoods vary in character, density, and demographics — explore each ZIP code below for a detailed breakdown.

ZIP Codes in Gaithersburg

ZIP	Population	Median Income	Median Home	Median Rent	Unemp.	College	Owner Occ.
20877	39,068	$86,103	$462,500	$1,862	6.2%	46.6%	43.9%
20878	65,236	$142,062	$675,200	$2,188	4.2%	75.1%	69.3%
20879	26,120	$105,109	$433,500	$1,895	6.4%	53.3%	70.9%
20882	13,661	$186,964	$705,800	$1,686	4.4%	63.2%	97.8%
20899	106	$23,917	—	$835	56.3%	33.0%	0.0%

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