NeighborhoodRanked

Zip Code 21230

MD · Population: 32,883

B+
73/100
89
A
Safety
72
B+
Affordability
63
B
Quality of Life
68
B
Jobs
Zip 21230, MD — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 21230

Zip code 21230 is located in Maryland and is home to approximately 32,883 residents. It receives an overall grade of B+ (score: 73/100), 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 $95,470 and home values around $323,300, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

The community is highly educated — 57.3% of adults hold a bachelor's degree or higher, well above the national average of ~33%.

Unemployment stands at 4.4%, 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
$95,470
Home Value
$323,300
Rent
$1,700/mo
Median Age
33
College Educated
57.3%
Unemployment
4.4%
Owner-Occupied
50.8%
Rent Burden
21.4% of income

Score Breakdown

DimensionScoreGradeInterpretation
Safety89ALower crime = higher score
Affordability72B+Lower cost relative to income = higher
Quality of Life63BEducation, commute, ownership
Jobs & Economy68BLower unemployment = higher
Overall73B+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).