21104 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 21104 is White. The majority race/ethnicity attending public schools in 21104 is White. The current unemployment level in 21104 is 4.4%.
| Population | 6,077 |
| Population Growth Rate | 30.04% |
| Population Density | 359 People per Square Mile |
| Total Households | 1,608 |
| Percentage High Income Households | 17.5% |
| Median Household Income (2021) | $180,789 |
| Average Adjusted Gross Income (2021) | $483,210 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 80.88% |
| Public School Majority Race/Ethnicty | White - 42.39% |
21104 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 4,859 | 80.88% |
| Black | 221 | 3.68% |
| Hispanic | 215 | 3.58% |
| Asian | 713 | 11.87% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21104 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,031 | 44.63% |
| Black | 206 | 8.92% |
| Hispanic | 90 | 3.9% |
| Asian | 974 | 42.16% |
| Native American | 8 | 0.35% |
| Hawaiian/Pac. Islander | 1 | 0.04% |
21104 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 114 | 3.72% |
| Bachelor Degree | 1,089 | 35.58% |
| High School Diploma | 751 | 24.53% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 31 | 1.01% |
| 1 or More Years of College | 427 | 13.95% |
| Associates Degree | 123 | 4.02% |
| Masters Degree | 431 | 14.08% |
| Professional Degree | 49 | 1.6% |
| Doctorate Degree | 46 | 1.5% |