21817 can be classified socioeconomically as Lower 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 21817 is White. The majority race/ethnicity attending public schools in 21817 is White. The current unemployment level in 21817 is 4.4%.
| Population | 4,138 |
| Population Growth Rate | 0.00% |
| Population Density | 175 People per Square Mile |
| Total Households | 2,103 |
| Median Household Income (2021) | $48,022 |
| Average Adjusted Gross Income (2021) | $347,530 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 75.74% |
| Public School Majority Race/Ethnicty | White - 52.78% |
21817 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 3,035 | 75.74% |
| Black | 803 | 20.04% |
| Hispanic | 133 | 3.32% |
| Asian | 35 | 0.87% |
| Native American | 1 | 0.02% |
| Hawaiian/Pac. Islander | 0 | 0% |
21817 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 475 | 55.88% |
| Black | 265 | 31.18% |
| Hispanic | 107 | 12.59% |
| Asian | 3 | 0.35% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21817 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 219 | 7.72% |
| Bachelor Degree | 283 | 9.98% |
| High School Diploma | 1,219 | 43% |
| No High School Diploma | 40 | 1.41% |
| GED or Alternate | 134 | 4.73% |
| 1 or More Years of College | 488 | 17.21% |
| Associates Degree | 224 | 7.9% |
| Masters Degree | 120 | 4.23% |
| Professional Degree | 90 | 3.17% |
| Doctorate Degree | 18 | 0.63% |