21791 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 21791 is White. The majority race/ethnicity attending public schools in 21791 is White. The current unemployment level in 21791 is 4.4%.
| Population | 4,855 |
| Population Growth Rate | 0% |
| Population Density | 103 People per Square Mile |
| Total Households | 1,985 |
| Percentage High Income Households | 7.5% |
| Median Household Income (2021) | $93,578 |
| Average Adjusted Gross Income (2021) | $388,430 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 94.6% |
| Public School Majority Race/Ethnicity | White - 88.09% |
21791 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 4,499 | 94.48% |
| Black | 78 | 1.64% |
| Hispanic | 64 | 1.34% |
| Asian | 111 | 2.33% |
| Native American | 4 | 0.08% |
| Hawaiian/Pac. Islander | 6 | 0.13% |
21791 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 1,146 | 91.83% |
| Black | 31 | 2.48% |
| Hispanic | 59 | 4.73% |
| Asian | 6 | 0.48% |
| Native American | 5 | 0.4% |
| Hawaiian/Pac. Islander | 1 | 0.08% |
21791 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 376 | 10.63% |
| Bachelor Degree | 659 | 18.63% |
| High School Diploma | 1,483 | 41.92% |
| No High School Diploma | 23 | 0.65% |
| GED or Alternate | 100 | 2.83% |
| 1 or More Years of College | 460 | 13% |
| Associates Degree | 265 | 7.49% |
| Masters Degree | 110 | 3.11% |
| Professional Degree | 30 | 0.85% |
| Doctorate Degree | 32 | 0.9% |
