21784 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 21784 is White. The majority race/ethnicity attending public schools in 21784 is White. The current unemployment level in 21784 is 4.4%.
| Population | 37,219 |
| Population Growth Rate | 0% |
| Population Density | 637 People per Square Mile |
| Total Households | 13,352 |
| Percentage High Income Households | 10% |
| Median Household Income (2021) | $125,497 |
| Average Adjusted Gross Income (2021) | $367,740 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 86.31% |
| Public School Majority Race/Ethnicity | White - 81% |
21784 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 31,153 | 86.26% |
| Black | 1,989 | 5.51% |
| Hispanic | 1,490 | 4.13% |
| Asian | 1,411 | 3.91% |
| Native American | 50 | 0.14% |
| Hawaiian/Pac. Islander | 22 | 0.06% |
21784 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 6,346 | 84.34% |
| Black | 319 | 4.24% |
| Hispanic | 444 | 5.9% |
| Asian | 378 | 5.02% |
| Native American | 11 | 0.15% |
| Hawaiian/Pac. Islander | 26 | 0.35% |
21784 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,910 | 7.71% |
| Bachelor Degree | 6,267 | 25.3% |
| High School Diploma | 6,176 | 24.93% |
| No High School Diploma | 335 | 1.35% |
| GED or Alternate | 609 | 2.46% |
| 1 or More Years of College | 3,390 | 13.68% |
| Associates Degree | 1,992 | 8.04% |
| Masters Degree | 3,361 | 13.57% |
| Professional Degree | 437 | 1.76% |
| Doctorate Degree | 296 | 1.19% |
