NeighborhoodRanked

Zip Code 21237

MD · Population: 30,983

B+
71/100
86
A
Safety
72
B+
Affordability
65
B
Quality of Life
60
B
Jobs
Zip 21237, MD — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 21237

Zip code 21237 is located in Maryland and is home to approximately 30,983 residents. It receives an overall grade of B+ (score: 71/100), based on safety, affordability, quality of life, and employment metrics.

This area has significantly lower crime rates than most of the country, making it one of the safer places to live.

With a median household income of $84,118 and home values around $268,400, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

Educational attainment is below the national average, with 27.6% of adults holding a bachelor's degree or higher.

Unemployment stands at 5.4%, which is near the national average.

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
$84,118
Home Value
$268,400
Rent
$1,396/mo
Median Age
40
College Educated
27.6%
Unemployment
5.4%
Owner-Occupied
64.2%
Rent Burden
19.9% of income

Score Breakdown

DimensionScoreGradeInterpretation
Safety86ALower crime = higher score
Affordability72B+Lower cost relative to income = higher
Quality of Life65BEducation, commute, ownership
Jobs & Economy60BLower unemployment = higher
Overall71B+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).