ZIP 21770 · Monrovia
Who lives in ZIP code 21770 (Monrovia, MD): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Monrovia, MD · Frederick County
uszips 2026
People8,751
Median age39.8
Household income$183,571
Home value$632,695
Median rent—
Poverty1.5%
College degree+54.8%
Commute35 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
- 295 / sq mi
- Housing units
- 2,622
County
Share of the ZIP's people in each county.
Age mix
17.7% are 65 or older; 77.5% are adults.
Household income
78.0% of households earn $100K+. Median per person: $68,686.
Education (adults 25+)
48.0% of degrees are in STEM fields.
Race
3.1% Hispanic or Latino (of any race).
Households & family
- Married
- 70.4%
- Never married
- 20.7%
- Divorced
- 6.5%
- Widowed
- 2.3%
- Family size
- 3.52
- Dual-income families
- 66.1%
Housing
- Own their home
- 98.8%
- Rent burden
- —
- Men / women
- 49% / 51%
Work
- In labor force
- 68.3%
- Unemployment
- 2.8%
- Self-employed
- 13.5%
- Farmers
- 0.0%
Community
- Charitable givers
- 49.3%
- Veterans
- 7.2%
- With a disability
- 10.7%
- No health insurance
- 1.6%
- Limited English
- 0.5%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.