21756 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 21756 is White. The current unemployment level in 21756 is 4.4%.
| Population | 3,303 |
| Population Growth Rate | -15.94% |
| Population Density | 147 People per Square Mile |
| Total Households | 1,148 |
| Percentage High Income Households | 6.4% |
| Median Household Income (2021) | $95,500 |
| Average Adjusted Gross Income (2021) | $340,820 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 99.24% |
21756 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,994 | 99.24% |
| Black | 6 | 0.2% |
| Hispanic | 8 | 0.27% |
| Asian | 9 | 0.3% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21756 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 208 | 9.96% |
| Bachelor Degree | 357 | 17.1% |
| High School Diploma | 691 | 33.09% |
| No High School Diploma | 65 | 3.11% |
| GED or Alternate | 101 | 4.84% |
| 1 or More Years of College | 321 | 15.37% |
| Associates Degree | 133 | 6.37% |
| Masters Degree | 201 | 9.63% |
| Professional Degree | 4 | 0.19% |
| Doctorate Degree | 7 | 0.34% |