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Gaithersburg city, MD

ZIP 20877 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 20877

20877 has a population of 39,068 with a median age of 37.2 yrs (49.6% male).

Race & Ethnicity
White
24.6%-60% vs US avg
x
Black
16.1%+30% vs US avg
x
Asian
14.4%+143% vs US avg
x
Hispanic
47.4%+153% vs US avg
x
Age Groups
0–17
24.5%+11% vs US avg
x
18–64
60.5%-2% vs US avg
x
65+
15.1%-8% vs US avg
x
Education
Less than HS
23.7%+113% vs US avg
x
High school
21.6%-18% vs US avg
x
Some college
19.6%-32% vs US avg
x
Bachelor's+
35.2%+4% vs US avg
x
Marital Status
Married
46.6%-3% vs US avg
x
Never married
37.4%+11% vs US avg
x
Divorced
10.1%-2% vs US avg
x
Widowed / Separated
6.0%
x
Diversity Index
67/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
11.3%-2% vs US avg
x
Foreign Born
34.7%+150% vs US avg
x
Veterans
2.9%-52% vs US avg
x
Disability
12.0%-11% vs US avg
x
Single Parent
11.8%+46% vs US avg
x
Recent Births
87.7%+1412% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 20877

Poverty Rate
11.3%-2% vs US avg
x
Veterans
2.9%-52% vs US avg
x
Foreign Born
34.7%+150% vs US avg
x
Single Parent
11.8%+46% vs US avg
x
Disability
12.0%-11% vs US avg
x
Uninsured
20.3%+154% vs US avg
x
SNAP Benefits
19.5%+66% vs US avg
x
Private School
0.1%-99% vs US avg
x
Recent Births
87.7%+1412% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population39,068
Median age37.2
Poverty rate11.3%
Demographics statistics
Demographics
White24.6%
Hispanic47.4%
Black16.1%
Asian14.4%
Foreign-born34.7%