21620 can be classified socioeconomically as Lower 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 21620 is White. The majority race/ethnicity attending public schools in 21620 is White. The current unemployment level in 21620 is 4.4%.
| Population | 13,636 |
| Population Growth Rate | 3.97% |
| Population Density | 105 People per Square Mile |
| Total Households | 4,858 |
| Percentage High Income Households | 5.7% |
| Median Household Income (2021) | $63,164 |
| Average Adjusted Gross Income (2021) | $544,130 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 81.80% |
| Public School Majority Race/Ethnicty | White - 47.58% |
21620 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 10,497 | 81.73% |
| Black | 1,752 | 13.64% |
| Hispanic | 406 | 3.16% |
| Asian | 178 | 1.39% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 10 | 0.08% |
21620 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 344 | 51.65% |
| Black | 249 | 37.39% |
| Hispanic | 65 | 9.76% |
| Asian | 7 | 1.05% |
| Native American | 1 | 0.15% |
| Hawaiian/Pac. Islander | 0 | 0% |
21620 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 403 | 5.32% |
| Bachelor Degree | 1,677 | 22.14% |
| High School Diploma | 2,425 | 32.01% |
| No High School Diploma | 133 | 1.76% |
| GED or Alternate | 213 | 2.81% |
| 1 or More Years of College | 881 | 11.63% |
| Associates Degree | 658 | 8.69% |
| Masters Degree | 858 | 11.33% |
| Professional Degree | 137 | 1.81% |
| Doctorate Degree | 191 | 2.52% |