21639 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 21639 is White. The majority race/ethnicity attending public schools in 21639 is Hispanic. The current unemployment level in 21639 is 4.4%.
| Population | 4,734 |
| Population Growth Rate | 7.51% |
| Population Density | 136 People per Square Mile |
| Total Households | 1,661 |
| Percentage High Income Households | 2.2% |
| Median Household Income (2021) | $54,882 |
| Average Adjusted Gross Income (2021) | $320,960 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 86.89% |
| Public School Majority Race/Ethnicity | Hispanic - 46.96% |
21639 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 4,280 | 86.89% |
| Black | 260 | 5.28% |
| Hispanic | 382 | 7.75% |
| Asian | 4 | 0.08% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21639 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 325 | 46.43% |
| Black | 27 | 3.86% |
| Hispanic | 347 | 49.57% |
| Asian | 1 | 0.14% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21639 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 164 | 6.3% |
| Bachelor Degree | 318 | 12.22% |
| High School Diploma | 948 | 36.43% |
| No High School Diploma | 45 | 1.73% |
| GED or Alternate | 145 | 5.57% |
| 1 or More Years of College | 520 | 19.98% |
| Associates Degree | 285 | 10.95% |
| Masters Degree | 153 | 5.88% |
| Professional Degree | 10 | 0.38% |
| Doctorate Degree | 14 | 0.54% |
