Census ACS · Maryland
ZIP Code 21122
ZIP code 21122 is located in Maryland with a population of 61,589. The median household income is $121,732 and the median home value is $412,100.
61,589
Population
$121,732
Median Income
$412,100
Median Home Value
39.1
Median Age
Race & Ethnicity
| White | 81.7% |
| Black | 7.1% |
| Asian | 0.0% |
| Hispanic (any race) | 1.2% |
Male: 48.6% · Female: 51.4%
Economy & Income
$121,732
Median Household Income
$55,485
Per Capita Income
3.2%
Poverty Rate
Housing
$412,100
Median Home Value
$2,077
Median Rent
86.1%
Homeownership
Education
93.5%
High School+
31.6%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Maryland
Part of Maryland
Metro areas in Maryland
Frequently Asked Questions
ZIP code 21122 in Maryland has a population of 61,589 according to latest Census ACS data.
The median household income in ZIP 21122 is $121,732. The per capita income is $55,485. The poverty rate is 3.2%.
ZIP code 21122 is located in Maryland.
More from Maryland
Data for ZIP Code Tabulation Area (ZCTA) 21122 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.