20818 can be classified socioeconomically as Upper Middle Class class compared to other ZIP Codes in Maryland based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 20818 is White. The current unemployment level in 20818 is 4.4%.
| Population | 1,787 |
| Population Growth Rate | -3.59% |
| Population Density | 1,822 People per Square Mile |
| Total Households | 775 |
| Percentage High Income Households | 43.2% |
| Median Household Income (2021) | $205,391 |
| Average Adjusted Gross Income (2021) | $655,550 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 77.71% |
20818 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,384 | 77.71% |
| Black | 63 | 3.54% |
| Hispanic | 90 | 5.05% |
| Asian | 242 | 13.59% |
| Native American | 2 | 0.11% |
| Hawaiian/Pac. Islander | 0 | 0% |
20818 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 45 | 3.05% |
| Bachelor Degree | 418 | 28.32% |
| High School Diploma | 226 | 15.31% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 15 | 1.02% |
| 1 or More Years of College | 90 | 6.1% |
| Associates Degree | 66 | 4.47% |
| Masters Degree | 310 | 21% |
| Professional Degree | 202 | 13.69% |
| Doctorate Degree | 104 | 7.05% |