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ZIP Code 21046
Columbia, MD, Howard County
Population
15,608
Land area
7.8sq mi
People per sq mi
1,999
City
Columbia
ZIP 21046 and nearby ZIP codes
ZIP 21046 at a glance
- ZIP 21046 (Columbia) is about 3.1 times as dense as Maryland as a whole.
- Households here earn a median of $127,813 a year, 23% more than the Maryland figure of $103,678.
- A typical owner-occupied home is valued at $479,500 (14% above Maryland) and median rent is $2,131 a month.
Local data for ZIP 21046
Counts from official public data
Housing and community stats
ZIP 21046, American Community Survey 2020-2024
Median household income
$127,813
Poverty rate
8.4%
Median home value
$479,500
Prices +9.6% in a year
Median rent
$2,131/mo
Homeownership
65.1%
Bachelor's or higher
61.7%
Median age
37.3
Average commute
23.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,119
ZIP Business Patterns 2023
Employees
39,273
$4.2B annual payroll
PPP loans
$265M
1,005 loans
Campaign donations
$306K
20% D, 11% R, 2026 cycle
Environment and hazard risk
ZIP 21046, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
911
Countywide, mostly thunderstorm wind
Flood insurance policies
816
0.8% of homes, county
July high / Jan low
89° / 26°F
47.5 inches of rain a year
Health statistics
Share of adults in ZIP 21046, CDC PLACES estimates
Obesity
33.0%
U.S. 33.3% about the same
Diabetes
9.9%
U.S. 12.1% -2.2 pts
Smoking
8.2%
U.S. 12.8% -4.6 pts
Uninsured (18-64)
5.8%
U.S. 11.1% -5.3 pts
Frequently asked questions
- What city is ZIP code 21046?
- ZIP code 21046 is in Columbia, MD (Howard County).
- What county is ZIP code 21046 in?
- ZIP code 21046 is mostly in Howard County, Maryland.
- How many people live in ZIP code 21046?
- About 15,608 people live in the 21046 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.