Zip Code 20818

MD · Population: 1,787

A
80/100
45
C
Safety
99
A+
Affordability
77
B+
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: 80/100), 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 $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
Safety45CLower crime = higher score
Affordability99A+Lower cost relative to income = higher
Quality of Life77B+Education, commute, ownership
Jobs & Economy100A+Lower unemployment = higher
Overall80AWeighted 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).