Checked
ZIP Code 21790
Point of Rocks, MD, Frederick County
Population
170
Land area
4.8sq mi
People per sq mi
36
City
Point of Rocks
ZIP 21790 and nearby ZIP codes
ZIP 21790 at a glance
- ZIP 21790 (Point of Rocks) is 94% less dense than Maryland as a whole.
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
3
ZIP Business Patterns 2023
Employees
25
$1.1M annual payroll
PPP loans
$188K
5 loans
Environment and hazard risk
ZIP 21790, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
1,546
Countywide, mostly thunderstorm wind
Flood insurance policies
501
0.6% of homes, county
July high / Jan low
89° / 27°F
43.5 inches of rain a year
Health statistics
Share of adults in ZIP 21790, CDC PLACES estimates
Obesity
31.6%
U.S. 33.3% -1.7 pts
Diabetes
9.4%
U.S. 12.1% -2.7 pts
Smoking
7.2%
U.S. 12.8% -5.6 pts
Uninsured (18-64)
7.7%
U.S. 11.1% -3.4 pts
Frequently asked questions
- What city is ZIP code 21790?
- ZIP code 21790 is in Point of Rocks, MD (Frederick County).
- What county is ZIP code 21790 in?
- ZIP code 21790 is mostly in Frederick County, Maryland.
- How many people live in ZIP code 21790?
- About 170 people live in the 21790 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.