ZIP 21704 · Frederick
Who lives in ZIP code 21704 (Frederick, MD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Frederick, MD · Frederick County
uszips 2026
People20,006
Median age38.6
Household income$161,063
Home value$610,517
Median rent$2,536/mo
Poverty2.9%
College degree+57.4%
Commute34 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
- 290 / sq mi
- Housing units
- 6,136
County
Share of the ZIP's people in each county.
Age mix
10.9% are 65 or older; 67.3% are adults.
Household income
74.7% of households earn $100K+. Median per person: $76,645.
Education (adults 25+)
56.0% of degrees are in STEM fields.
Race
14.7% Hispanic or Latino (of any race).
Households & family
- Married
- 62.4%
- Never married
- 24.4%
- Divorced
- 9.5%
- Widowed
- 3.7%
- Family size
- 3.55
- Dual-income families
- 68.1%
Housing
- Own their home
- 82.0%
- Rent burden
- 25.7%
- Men / women
- 53% / 47%
Work
- In labor force
- 71.9%
- Unemployment
- 3.3%
- Self-employed
- 15.1%
- Farmers
- 0.4%
Community
- Charitable givers
- 51.6%
- Veterans
- 6.7%
- With a disability
- 6.4%
- No health insurance
- 3.2%
- Limited English
- 2.8%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.