ZIP 20877 · Gaithersburg
Who lives in ZIP code 20877 (Gaithersburg, MD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Gaithersburg, MD · Montgomery County
uszips 2026
People38,546
Median age36.8
Household income$92,800
Home value$473,742
Median rent$1,887/mo
Poverty12.0%
College degree+33.4%
Commute31 min
Place
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- Wider region
- Washington-Baltimore-Arlington, DC-MD-VA-WV-PA
- Metro division
- Frederick-Gaithersburg-Bethesda, MD
- Time zone
- Eastern
- Density
- 2,638 / sq mi
- Housing units
- 12,519
County
Share of the ZIP's people in each county.
Age mix
14.7% are 65 or older; 75.0% are adults.
Household income
47.7% of households earn $100K+. Median per person: $38,760.
Education (adults 25+)
54.8% of degrees are in STEM fields.
Race
48.4% Hispanic or Latino (of any race).
Households & family
- Married
- 44.3%
- Never married
- 39.7%
- Divorced
- 10.4%
- Widowed
- 5.6%
- Family size
- 3.69
- Dual-income families
- 67.8%
Housing
- Own their home
- 43.1%
- Rent burden
- 34.9%
- Men / women
- 50% / 50%
Work
- In labor force
- 70.4%
- Unemployment
- 6.2%
- Self-employed
- 20.8%
- Farmers
- 0.0%
Community
- Charitable givers
- 28.2%
- Veterans
- 2.6%
- With a disability
- 12.6%
- No health insurance
- 22.0%
- Limited English
- 19.6%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.