Checked
ZIP Code 21723
Lisbon, MD, Howard County
Population
669
Land area
3.6sq mi
People per sq mi
186
City
Lisbon
ZIP 21723 and nearby ZIP codes
ZIP 21723 at a glance
- ZIP 21723 (Lisbon) is 71% less dense than Maryland as a whole.
- Households here earn a median of $241,250 a year, about 2.3 times the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $1,005,500 (about 2.4 times the Maryland figure).
Local data for ZIP 21723
Counts from official public data
Housing and community stats
ZIP 21723, American Community Survey 2020-2024
Median household income
$241,250
Poverty rate
0.0%
Median home value
$1,005,500
Homeownership
95.3%
Bachelor's or higher
82.3%
Median age
48.3
Average commute
36.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
22
ZIP Business Patterns 2023
Employees
145
$4.94M annual payroll
PPP loans
$1.84M
41 loans
Campaign donations
$5,603
29% D, 13% R, 2026 cycle
Environment and hazard risk
ZIP 21723, 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 21723, CDC PLACES estimates
Obesity
29.2%
U.S. 33.3% -4.1 pts
Diabetes
9.8%
U.S. 12.1% -2.3 pts
Smoking
8.3%
U.S. 12.8% -4.5 pts
Uninsured (18-64)
5.2%
U.S. 11.1% -5.9 pts
ZIP codes near 21723
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 21797Lisbon | 2.6 mi | 43.7 |
| 21738Lisbon | 2.6 mi | 7 |
| 21794Sykesville | 2.7 mi | 8.2 |
| 21737Brookeville | 4.4 mi | 5.1 |
| 21784Eldersburg | 5.5 mi | 56.1 |
| 21104Sykesville | 5.8 mi | 17.1 |
| 21036Highland | 5.8 mi | 6.3 |
| 21042Ellicott City | 6.8 mi | 37 |
| 20833Brookeville | 7.5 mi | 19.1 |
| 21029Highland | 8.4 mi | 16.9 |
| 21163Randallstown | 8.5 mi | 13.6 |
| 21771Mount Airy | 9.4 mi | 89.5 |
Frequently asked questions
- What city is ZIP code 21723?
- ZIP code 21723 is in Lisbon, MD (Howard County).
- What county is ZIP code 21723 in?
- ZIP code 21723 is mostly in Howard County, Maryland.
- How many people live in ZIP code 21723?
- About 669 people live in the 21723 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.