21157 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 21157 is White. The majority race/ethnicity attending public schools in 21157 is White. The current unemployment level in 21157 is 4.4%.
| Population | 39,816 |
| Population Growth Rate | 7.49% |
| Population Density | 517 People per Square Mile |
| Total Households | 13,735 |
| Percentage High Income Households | 5.3% |
| Median Household Income (2021) | $92,846 |
| Average Adjusted Gross Income (2021) | $340,430 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 90.82% |
| Public School Majority Race/Ethnicty | White - 76.35% |
21157 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 36,314 | 90.81% |
| Black | 1,551 | 3.88% |
| Hispanic | 1,725 | 4.31% |
| Asian | 309 | 0.77% |
| Native American | 86 | 0.22% |
| Hawaiian/Pac. Islander | 6 | 0.02% |
21157 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 5,204 | 79.84% |
| Black | 421 | 6.46% |
| Hispanic | 694 | 10.65% |
| Asian | 178 | 2.73% |
| Native American | 10 | 0.15% |
| Hawaiian/Pac. Islander | 11 | 0.17% |
21157 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,825 | 7.95% |
| Bachelor Degree | 4,628 | 20.17% |
| High School Diploma | 7,149 | 31.16% |
| No High School Diploma | 420 | 1.83% |
| GED or Alternate | 875 | 3.81% |
| 1 or More Years of College | 3,143 | 13.7% |
| Associates Degree | 1,922 | 8.38% |
| Masters Degree | 2,239 | 9.76% |
| Professional Degree | 548 | 2.39% |
| Doctorate Degree | 197 | 0.86% |