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ZIP Code 21797
Lisbon, MD, Howard County
Population
8,643
Land area
43.7sq mi
People per sq mi
198
City
Lisbon
ZIP 21797 and nearby ZIP codes
ZIP 21797 at a glance
- ZIP 21797 (Lisbon) is 69% less dense than Maryland as a whole.
- The median household income is $189,241, 83% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $735,600 (75% above Maryland) and median rent is $1,535 a month.
Local data for ZIP 21797
Counts from official public data
Housing and community stats
ZIP 21797, American Community Survey 2020-2024
Median household income
$189,241
Poverty rate
2.4%
Median home value
$735,600
Prices -1.9% in a year
Median rent
$1,535/mo
Homeownership
91.7%
Bachelor's or higher
51.5%
Median age
45.3
Average commute
38.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
261
ZIP Business Patterns 2023
Employees
1,955
$128M annual payroll
PPP loans
$27.6M
274 loans
Campaign donations
$101K
29% D, 15% R, 2026 cycle
Environment and hazard risk
ZIP 21797, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
911
Countywide, mostly thunderstorm wind
Flood insurance policies
816
0.8% of homes, county
July high / Jan low
84° / 25°F
47.9 inches of rain a year
Health statistics
Share of adults in ZIP 21797, CDC PLACES estimates
Obesity
32.6%
U.S. 33.3% -0.7 pts
Diabetes
10.4%
U.S. 12.1% -1.7 pts
Smoking
9.1%
U.S. 12.8% -3.7 pts
Uninsured (18-64)
5.1%
U.S. 11.1% -6.0 pts
Frequently asked questions
- What city is ZIP code 21797?
- ZIP code 21797 is in Lisbon, MD (Howard County).
- What county is ZIP code 21797 in?
- ZIP code 21797 is mostly in Howard County, Maryland.
- How many people live in ZIP code 21797?
- About 8,643 people live in the 21797 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.