Zip Code 21738

MD · Population: 3,786

B+
72/100
45
C
Safety
100
A+
Affordability
68
B
Quality of Life
77
B+
Jobs
Zip 21738, MD — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 21738

Zip code 21738 is located in Maryland and is home to approximately 3,786 residents. It receives an overall grade of B+ (score: 72/100), based on safety, affordability, quality of life, and employment metrics.

Crime rates in this area are roughly in line with national averages.

With a median household income of $239,821 and home values around $837,300, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

The community is highly educated — 76.1% of adults hold a bachelor's degree or higher, well above the national average of ~33%.

The local job market is strong, with an unemployment rate of just 1.7%.

Scores are percentile-based: a score of 85 means this zip code ranks better than 85% of all US zip codes on that dimension. Data is sourced from the US Census Bureau (ACS 5-year estimates) and the FBI Uniform Crime Report.

Demographics & Economics

Median Income
$239,821
Home Value
$837,300
Rent
—
Median Age
44
College Educated
76.1%
Unemployment
1.7%
Owner-Occupied
96.7%
Rent Burden
—

Score Breakdown

DimensionScoreGradeInterpretation
Safety45CLower crime = higher score
Affordability100A+Lower cost relative to income = higher
Quality of Life68BEducation, commute, ownership
Jobs & Economy77B+Lower unemployment = higher
Overall72B+Weighted average

Methodology

All scores are percentile-based (0–100): a score of 85 means this zip code ranks better than 85% of all US zip codes on that metric. Safety uses FBI Uniform Crime Report state-level data (Phase 2 will add zip-level granularity). Economic and demographic data is from the US Census Bureau American Community Survey (ACS) 5-year estimates (2022).