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ZIP Code 21048
Eldersburg, MD, Carroll County
Population
10,481
Land area
27.3sq mi
People per sq mi
385
City
Eldersburg
ZIP 21048 and nearby ZIP codes
ZIP 21048 at a glance
- ZIP 21048 (Eldersburg) is 40% less dense than Maryland as a whole.
- Households here earn a median of $131,921 a year, 27% more than the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $459,000 (9% above Maryland).
Local data for ZIP 21048
Counts from official public data
Housing and community stats
ZIP 21048, American Community Survey 2020-2024
Median household income
$131,921
Poverty rate
1.9%
Median home value
$459,000
Prices +2.0% in a year
Homeownership
97.8%
Bachelor's or higher
47.3%
Median age
41.7
Average commute
38.7 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
278
ZIP Business Patterns 2023
Employees
2,368
$137M annual payroll
PPP loans
$18.6M
277 loans
Campaign donations
$38.3K
34% D, 28% R, 2026 cycle
Environment and hazard risk
ZIP 21048, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: strong wind
Storm events since 1996
1,083
Countywide, mostly thunderstorm wind
Flood insurance policies
177
0.3% of homes, county
July high / Jan low
85° / 24°F
47.9 inches of rain a year
Health statistics
Share of adults in ZIP 21048, CDC PLACES estimates
Obesity
37.7%
U.S. 33.3% +4.4 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
10.6%
U.S. 12.8% -2.2 pts
Uninsured (18-64)
5.6%
U.S. 11.1% -5.5 pts
Frequently asked questions
- What city is ZIP code 21048?
- ZIP code 21048 is in Eldersburg, MD (Carroll County).
- What county is ZIP code 21048 in?
- ZIP code 21048 is mostly in Carroll County, Maryland.
- How many people live in ZIP code 21048?
- About 10,481 people live in the 21048 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.