21231 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 21231 is White. The majority race/ethnicity attending public schools in 21231 is African American. The current unemployment level in 21231 is 4.4%.
| Population | 14,780 |
| Population Growth Rate | -5.88% |
| Population Density | 15,459 People per Square Mile |
| Total Households | 7,520 |
| Percentage High Income Households | 6.2% |
| Median Household Income (2021) | $73,089 |
| Average Adjusted Gross Income (2021) | $440,750 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 57.28% |
| Public School Majority Race/Ethnicity | African American - 72.2% |
21231 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 9,205 | 57.28% |
| Black | 4,485 | 27.91% |
| Hispanic | 1,392 | 8.66% |
| Asian | 954 | 5.94% |
| Native American | 35 | 0.22% |
| Hawaiian/Pac. Islander | 0 | 0% |
21231 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 105 | 3.7% |
| Black | 2,065 | 72.71% |
| Hispanic | 647 | 22.78% |
| Asian | 13 | 0.46% |
| Native American | 9 | 0.32% |
| Hawaiian/Pac. Islander | 1 | 0.04% |
21231 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 189 | 1.9% |
| Bachelor Degree | 3,571 | 35.86% |
| High School Diploma | 1,675 | 16.82% |
| No High School Diploma | 177 | 1.78% |
| GED or Alternate | 280 | 2.81% |
| 1 or More Years of College | 856 | 8.6% |
| Associates Degree | 518 | 5.2% |
| Masters Degree | 1,428 | 14.34% |
| Professional Degree | 792 | 7.95% |
| Doctorate Degree | 472 | 4.74% |
