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ZIP Code 21704
Urbana, MD, Frederick County
Population
20,006
Land area
26.6sq mi
People per sq mi
751
City
Urbana
ZIP 21704 and nearby ZIP codes
ZIP 21704 at a glance
- The median household income is $161,063, 55% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $612,000 (46% above Maryland) and median rent is $2,536 a month.
Local data for ZIP 21704
Counts from official public data
Housing and community stats
ZIP 21704, American Community Survey 2020-2024
Median household income
$161,063
Poverty rate
2.9%
Median home value
$612,000
Prices +2.6% in a year
Median rent
$2,536/mo
Homeownership
82.0%
Bachelor's or higher
57.4%
Median age
38.6
Average commute
33.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
954
ZIP Business Patterns 2023
Employees
16,206
$1B annual payroll
PPP loans
$96.8M
890 loans
Campaign donations
$131K
35% D, 12% R, 2026 cycle
Environment and hazard risk
ZIP 21704, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
1,546
Countywide, mostly thunderstorm wind
Flood insurance policies
501
0.6% of homes, county
July high / Jan low
89° / 27°F
43.5 inches of rain a year
Health statistics
Share of adults in ZIP 21704, CDC PLACES estimates
Obesity
31.9%
U.S. 33.3% -1.4 pts
Diabetes
9.3%
U.S. 12.1% -2.8 pts
Smoking
7.5%
U.S. 12.8% -5.3 pts
Uninsured (18-64)
5.9%
U.S. 11.1% -5.2 pts
Frequently asked questions
- What city is ZIP code 21704?
- ZIP code 21704 is in Urbana, MD (Frederick County).
- What county is ZIP code 21704 in?
- ZIP code 21704 is mostly in Frederick County, Maryland.
- How many people live in ZIP code 21704?
- About 20,006 people live in the 21704 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.