NeighborhoodRanked

Zip Code 20818

MD · Population: 1,787

A+
96/100
97
A+
Safety
100
A+
Affordability
86
A
Quality of Life
100
A+
Jobs
Zip 20818, MD — boundary highlighted© OpenFreeMap · OpenStreetMap · US Census

About Zip Code 20818

Zip code 20818 is located in Maryland and is home to approximately 1,787 residents. It receives an overall grade of A+ (score: 96/100), 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 $211,196 and home values around $1,093,600, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.

The community is highly educated — 93.4% 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 0%.

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
$211,196
Home Value
$1,093,600
Rent
—
Median Age
50
College Educated
93.4%
Unemployment
0%
Owner-Occupied
95.6%
Rent Burden
—

Score Breakdown

DimensionScoreGradeInterpretation
Safety97A+Lower crime = higher score
Affordability100A+Lower cost relative to income = higher
Quality of Life86AEducation, commute, ownership
Jobs & Economy100A+Lower unemployment = higher
Overall96A+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).