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ZIP Code 21090
Linthicum, MD, Anne Arundel County
Population
10,652
Land area
6.6sq mi
People per sq mi
1,604
City
Linthicum
ZIP 21090 and nearby ZIP codes
ZIP 21090 at a glance
- ZIP 21090 (Linthicum) is about 2.5 times as dense as Maryland as a whole.
- The median household income is $138,119, 33% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $410,400 and median rent is $2,055 a month.
Local data for ZIP 21090
Counts from official public data
Housing and community stats
ZIP 21090, American Community Survey 2020-2024
Median household income
$138,119
Poverty rate
3.5%
Median home value
$410,400
Prices +2.5% in a year
Median rent
$2,055/mo
Homeownership
83.2%
Bachelor's or higher
42.8%
Median age
36.8
Average commute
23.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
554
ZIP Business Patterns 2023
Employees
25,070
$2.3B annual payroll
PPP loans
$74.3M
417 loans
Campaign donations
$42.1K
35% D, 9% R, 2026 cycle
Environment and hazard risk
ZIP 21090, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,387
Countywide, mostly thunderstorm wind
Flood insurance policies
4,442
2.5% of homes, county
July high / Jan low
89° / 25°F
45.0 inches of rain a year
Health statistics
Share of adults in ZIP 21090, CDC PLACES estimates
Obesity
32.3%
U.S. 33.3% -1.0 pts
Diabetes
9.6%
U.S. 12.1% -2.5 pts
Smoking
10.5%
U.S. 12.8% -2.3 pts
Uninsured (18-64)
6.3%
U.S. 11.1% -4.8 pts
Frequently asked questions
- What city is ZIP code 21090?
- ZIP code 21090 is in Linthicum, MD (Anne Arundel County).
- What county is ZIP code 21090 in?
- ZIP code 21090 is mostly in Anne Arundel County, Maryland.
- How many people live in ZIP code 21090?
- About 10,652 people live in the 21090 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.