21158 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 21158 is White. The majority race/ethnicity attending public schools in 21158 is White. The current unemployment level in 21158 is 4.4%.
| Population | 23,011 |
| Population Growth Rate | 7.95% |
| Population Density | 300 People per Square Mile |
| Total Households | 7,130 |
| Percentage High Income Households | 4.3% |
| Median Household Income (2021) | $97,822 |
| Average Adjusted Gross Income (2021) | $337,280 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 90.7% |
| Public School Majority Race/Ethnicity | White - 79.4% |
21158 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 19,685 | 90.7% |
| Black | 624 | 2.88% |
| Hispanic | 839 | 3.87% |
| Asian | 544 | 2.51% |
| Native American | 12 | 0.06% |
| Hawaiian/Pac. Islander | 0 | 0% |
21158 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 871 | 84.15% |
| Black | 44 | 4.25% |
| Hispanic | 82 | 7.92% |
| Asian | 34 | 3.29% |
| Native American | 2 | 0.19% |
| Hawaiian/Pac. Islander | 2 | 0.19% |
21158 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,048 | 8.53% |
| Bachelor Degree | 2,649 | 21.56% |
| High School Diploma | 3,757 | 30.58% |
| No High School Diploma | 113 | 0.92% |
| GED or Alternate | 447 | 3.64% |
| 1 or More Years of College | 1,780 | 14.49% |
| Associates Degree | 999 | 8.13% |
| Masters Degree | 1,168 | 9.51% |
| Professional Degree | 192 | 1.56% |
| Doctorate Degree | 133 | 1.08% |
