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ZIP Code 21740
Halfway, MD, Washington County
Population
64,792
Land area
70.9sq mi
People per sq mi
914
City
Halfway
ZIP 21740 and nearby ZIP codes
ZIP 21740 at a glance
- ZIP 21740 (Halfway) is 43% denser than Maryland as a whole.
- The median household income is $62,873, 39% below the Maryland median of $103,678.
- A typical owner-occupied home is valued at $262,300 (38% below Maryland) and median rent is $1,080 a month.
Local data for ZIP 21740
Counts from official public data
- Nursing Homes3
- Schools27
- Colleges1
- Libraries1
- Banks20
- Post Offices2
- Parks25
- Grocery Stores27
- Restaurants276
- Affordable Housing7
- Home Health Agencies1
- Hospice Care1
- Dialysis Centers2
- Community Health Centers3
- Mental Health & Addiction Treatment17
- Private Schools12
- Community Colleges & Trade Schools1
- Toxic Release Facilities5
Housing and community stats
ZIP 21740, American Community Survey 2020-2024
Median household income
$62,873
Poverty rate
17.3%
Median home value
$262,300
Prices +1.7% in a year
Median rent
$1,080/mo
Homeownership
55.3%
Bachelor's or higher
20.7%
Median age
37.9
Average commute
26.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,814
ZIP Business Patterns 2023
Employees
36,427
$1.7B annual payroll
PPP loans
$156M
1,577 loans
Campaign donations
$142K
24% D, 27% R, 2026 cycle
Environment and hazard risk
ZIP 21740, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
1,066
Countywide, mostly thunderstorm wind
Flood insurance policies
280
0.5% of homes, county
July high / Jan low
86° / 22°F
43.5 inches of rain a year
Health statistics
Share of adults in ZIP 21740, CDC PLACES estimates
Obesity
41.2%
U.S. 33.3% +7.9 pts
Diabetes
14.4%
U.S. 12.1% +2.3 pts
Smoking
17.6%
U.S. 12.8% +4.8 pts
Uninsured (18-64)
11.2%
U.S. 11.1% about the same
Frequently asked questions
- What city is ZIP code 21740?
- ZIP code 21740 is in Halfway, MD (Washington County).
- What county is ZIP code 21740 in?
- ZIP code 21740 is mostly in Washington County, Maryland.
- How many people live in ZIP code 21740?
- About 64,792 people live in the 21740 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.