21921 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 21921 is White. The majority race/ethnicity attending public schools in 21921 is White. The current unemployment level in 21921 is 3.8%.
| Population | 45,081 |
| Population Growth Rate | 0.00% |
| Population Density | 452 People per Square Mile |
| Total Households | 15,595 |
| Percentage High Income Households | 3.5% |
| Median Household Income (2021) | $76,214 |
| Average Adjusted Gross Income (2021) | $356,580 |
| Current Unemployment Rate (September 2025) | 3.8% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 82.63% |
| Public School Majority Race/Ethnicty | White - 55.43% |
21921 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 36,357 | 82.56% |
| Black | 4,307 | 9.78% |
| Hispanic | 2,565 | 5.82% |
| Asian | 770 | 1.75% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 36 | 0.08% |
21921 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,628 | 61.59% |
| Black | 974 | 22.83% |
| Hispanic | 602 | 14.11% |
| Asian | 46 | 1.08% |
| Native American | 10 | 0.23% |
| Hawaiian/Pac. Islander | 7 | 0.16% |
21921 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,849 | 7.36% |
| Bachelor Degree | 4,349 | 17.32% |
| High School Diploma | 8,817 | 35.12% |
| No High School Diploma | 505 | 2.01% |
| GED or Alternate | 1,242 | 4.95% |
| 1 or More Years of College | 4,081 | 16.26% |
| Associates Degree | 1,891 | 7.53% |
| Masters Degree | 1,811 | 7.21% |
| Professional Degree | 273 | 1.09% |
| Doctorate Degree | 288 | 1.15% |