21742 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 21742 is White. The majority race/ethnicity attending public schools in 21742 is White. The current unemployment level in 21742 is 4.4%.
| Population | 34,549 |
| Population Growth Rate | 2.90% |
| Population Density | 702 People per Square Mile |
| Total Households | 12,736 |
| Percentage High Income Households | 4.0% |
| Median Household Income (2021) | $73,397 |
| Average Adjusted Gross Income (2021) | $537,330 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 79.98% |
| Public School Majority Race/Ethnicty | White - 48.89% |
21742 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 26,783 | 79.93% |
| Black | 3,201 | 9.55% |
| Hispanic | 2,478 | 7.4% |
| Asian | 1,000 | 2.98% |
| Native American | 26 | 0.08% |
| Hawaiian/Pac. Islander | 19 | 0.06% |
21742 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,200 | 55.51% |
| Black | 934 | 23.57% |
| Hispanic | 660 | 16.65% |
| Asian | 158 | 3.99% |
| Native American | 7 | 0.18% |
| Hawaiian/Pac. Islander | 4 | 0.1% |
21742 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,716 | 8.68% |
| Bachelor Degree | 3,570 | 18.06% |
| High School Diploma | 6,100 | 30.86% |
| No High School Diploma | 165 | 0.83% |
| GED or Alternate | 608 | 3.08% |
| 1 or More Years of College | 2,882 | 14.58% |
| Associates Degree | 1,933 | 9.78% |
| Masters Degree | 2,027 | 10.26% |
| Professional Degree | 464 | 2.35% |
| Doctorate Degree | 299 | 1.51% |