21704 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 21704 is White. The majority race/ethnicity attending public schools in 21704 is White. The current unemployment level in 21704 is 3.3%.
| Population | 18,473 |
| Population Growth Rate | 8.06% |
| Population Density | 665 People per Square Mile |
| Total Households | 4,460 |
| Percentage High Income Households | 15.0% |
| Median Household Income (2021) | $152,330 |
| Average Adjusted Gross Income (2021) | $362,400 |
| Current Unemployment Rate (January 2025) | 3.3% |
| Majority Race/Ethnicty | White - 62.99% |
| Public School Majority Race/Ethnicty | White - 46.20% |
21704 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 10,819 | 62.79% |
| Black | 1,848 | 10.73% |
| Hispanic | 1,939 | 11.25% |
| Asian | 2,499 | 14.5% |
| Native American | 70 | 0.41% |
| Hawaiian/Pac. Islander | 55 | 0.32% |
21704 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 790 | 50.32% |
| Black | 188 | 11.97% |
| Hispanic | 223 | 14.2% |
| Asian | 364 | 23.18% |
| Native American | 5 | 0.32% |
| Hawaiian/Pac. Islander | 0 | 0% |
21704 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 472 | 5.85% |
| Bachelor Degree | 2,538 | 31.45% |
| High School Diploma | 1,473 | 18.26% |
| No High School Diploma | 117 | 1.45% |
| GED or Alternate | 108 | 1.34% |
| 1 or More Years of College | 1,049 | 13% |
| Associates Degree | 474 | 5.87% |
| Masters Degree | 1,300 | 16.11% |
| Professional Degree | 235 | 2.91% |
| Doctorate Degree | 303 | 3.76% |