21120 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 21120 is White. The majority race/ethnicity attending public schools in 21120 is White. The current unemployment level in 21120 is 4.4%.
| Population | 7,319 |
| Population Growth Rate | 0.00% |
| Population Density | 165 People per Square Mile |
| Total Households | 2,372 |
| Percentage High Income Households | 16.0% |
| Median Household Income (2021) | $137,761 |
| Average Adjusted Gross Income (2021) | $446,290 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 90.29% |
| Public School Majority Race/Ethnicty | White - 85.57% |
21120 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 6,401 | 90.29% |
| Black | 187 | 2.64% |
| Hispanic | 271 | 3.82% |
| Asian | 230 | 3.24% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21120 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,388 | 89.03% |
| Black | 37 | 2.37% |
| Hispanic | 71 | 4.55% |
| Asian | 62 | 3.98% |
| Native American | 1 | 0.06% |
| Hawaiian/Pac. Islander | 0 | 0% |
21120 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 439 | 9.83% |
| Bachelor Degree | 1,273 | 28.52% |
| High School Diploma | 788 | 17.65% |
| No High School Diploma | 86 | 1.93% |
| GED or Alternate | 146 | 3.27% |
| 1 or More Years of College | 573 | 12.84% |
| Associates Degree | 286 | 6.41% |
| Masters Degree | 640 | 14.34% |
| Professional Degree | 148 | 3.32% |
| Doctorate Degree | 85 | 1.9% |