ZIP 20818 · Cabin John
Who lives in ZIP code 20818 (Cabin John, MD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Cabin John, MD · Montgomery County
uszips 2026
People1,539
Median age52.7
Household income$245,982
Home value$1,302,989
Median rent—
Poverty1.1%
College degree+86.4%
Commute30 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
- 640 / sq mi
- Housing units
- 593
County
Share of the ZIP's people in each county.
Age mix
23.6% are 65 or older; 78.5% are adults.
Household income
78.6% of households earn $100K+. Median per person: $142,404.
Education (adults 25+)
70.9% of degrees are in STEM fields.
Race
4.7% Hispanic or Latino (of any race).
Households & family
- Married
- 70.7%
- Never married
- 19.2%
- Divorced
- 7.4%
- Widowed
- 2.8%
- Family size
- 3.04
- Dual-income families
- 62.9%
Housing
- Own their home
- 95.3%
- Rent burden
- —
- Men / women
- 45% / 55%
Work
- In labor force
- 68.9%
- Unemployment
- 0.0%
- Self-employed
- 26.7%
- Farmers
- 0.0%
Community
- Charitable givers
- 62.8%
- Veterans
- 3.6%
- With a disability
- 4.7%
- No health insurance
- 1.6%
- Limited English
- 2.4%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.