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ZIP Code 21084
Jarrettsville, MD, Harford County
Population
7,070
Land area
23.8sq mi
People per sq mi
298
City
Jarrettsville
ZIP 21084 and nearby ZIP codes
ZIP 21084 at a glance
- ZIP 21084 (Jarrettsville) is 53% less dense than Maryland as a whole.
- Households here earn a median of $121,509 a year, 17% more than the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $448,400 (7% above Maryland).
Local data for ZIP 21084
Counts from official public data
Housing and community stats
ZIP 21084, American Community Survey 2020-2024
Median household income
$121,509
Poverty rate
5.7%
Median home value
$448,400
Prices +4.9% in a year
Homeownership
93.6%
Bachelor's or higher
42.9%
Median age
44.0
Average commute
39.2 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
191
ZIP Business Patterns 2023
Employees
1,044
$52.5M annual payroll
PPP loans
$11.6M
182 loans
Campaign donations
$30K
13% D, 47% R, 2026 cycle
Environment and hazard risk
ZIP 21084, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
1,202
Countywide, mostly thunderstorm wind
Flood insurance policies
534
0.6% of homes, county
July high / Jan low
88° / 25°F
48.3 inches of rain a year
Health statistics
Share of adults in ZIP 21084, CDC PLACES estimates
Obesity
33.3%
U.S. 33.3% about the same
Diabetes
10.7%
U.S. 12.1% -1.4 pts
Smoking
9.7%
U.S. 12.8% -3.1 pts
Uninsured (18-64)
5.0%
U.S. 11.1% -6.1 pts
Frequently asked questions
- What city is ZIP code 21084?
- ZIP code 21084 is in Jarrettsville, MD (Harford County).
- What county is ZIP code 21084 in?
- ZIP code 21084 is mostly in Harford County, Maryland.
- How many people live in ZIP code 21084?
- About 7,070 people live in the 21084 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.