NeighborhoodRanked

Zip Code 21678

MD · Population: 1,685

A
81/100
77
B+
Safety
80
A
Affordability
77
B+
Quality of Life
89
A
Jobs
Zip 21678, MD — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 21678

Zip code 21678 is located in Maryland and is home to approximately 1,685 residents. It receives an overall grade of A (score: 81/100), based on safety, affordability, quality of life, and employment metrics.

Crime rates here are below the national average, suggesting a relatively safe community.

With a median household income of $75,865 and home values around $296,600, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

About 32.1% of adults have a college degree, roughly in line with national averages.

The local job market is strong, with an unemployment rate of just 1.5%.

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
$75,865
Home Value
$296,600
Rent
—
Median Age
50
College Educated
32.1%
Unemployment
1.5%
Owner-Occupied
94.3%
Rent Burden
—

Score Breakdown

DimensionScoreGradeInterpretation
Safety77B+Lower crime = higher score
Affordability80ALower cost relative to income = higher
Quality of Life77B+Education, commute, ownership
Jobs & Economy89ALower unemployment = higher
Overall81AWeighted 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).