21782 can be classified socioeconomically as 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 21782 is White. The majority race/ethnicity attending public schools in 21782 is White. The current unemployment level in 21782 is 3.8%.
| Population | 4,389 |
| Population Growth Rate | 10.16% |
| Population Density | 140 People per Square Mile |
| Total Households | 1,882 |
| Percentage High Income Households | 0.7% |
| Median Household Income (2021) | $77,929 |
| Average Adjusted Gross Income (2021) | $412,260 |
| Current Unemployment Rate (September 2025) | 3.8% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 98.78% |
| Public School Majority Race/Ethnicty | White - 96.10% |
21782 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 4,282 | 98.78% |
| Black | 5 | 0.12% |
| Hispanic | 34 | 0.78% |
| Asian | 9 | 0.21% |
| Native American | 5 | 0.12% |
| Hawaiian/Pac. Islander | 0 | 0% |
21782 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 296 | 96.73% |
| Black | 1 | 0.33% |
| Hispanic | 9 | 2.94% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21782 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 292 | 10.16% |
| Bachelor Degree | 420 | 14.62% |
| High School Diploma | 1,210 | 42.12% |
| No High School Diploma | 86 | 2.99% |
| GED or Alternate | 115 | 4% |
| 1 or More Years of College | 378 | 13.16% |
| Associates Degree | 159 | 5.53% |
| Masters Degree | 163 | 5.67% |
| Professional Degree | 12 | 0.42% |
| Doctorate Degree | 38 | 1.32% |