20639 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 20639 is White. The majority race/ethnicity attending public schools in 20639 is White. The current unemployment level in 20639 is 4.4%.
| Population | 15,058 |
| Population Growth Rate | 1.47% |
| Population Density | 332 People per Square Mile |
| Total Households | 4,542 |
| Percentage High Income Households | 13.8% |
| Median Household Income (2021) | $136,875 |
| Average Adjusted Gross Income (2021) | $365,380 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 81.34% |
| Public School Majority Race/Ethnicty | White - 75.46% |
20639 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 11,631 | 81.15% |
| Black | 1,583 | 11.05% |
| Hispanic | 699 | 4.88% |
| Asian | 375 | 2.62% |
| Native American | 11 | 0.08% |
| Hawaiian/Pac. Islander | 33 | 0.23% |
20639 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,355 | 82.43% |
| Black | 275 | 9.63% |
| Hispanic | 175 | 6.13% |
| Asian | 49 | 1.72% |
| Native American | 2 | 0.07% |
| Hawaiian/Pac. Islander | 1 | 0.04% |
20639 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 645 | 7.22% |
| Bachelor Degree | 1,870 | 20.92% |
| High School Diploma | 2,491 | 27.87% |
| No High School Diploma | 45 | 0.5% |
| GED or Alternate | 285 | 3.19% |
| 1 or More Years of College | 1,308 | 14.64% |
| Associates Degree | 816 | 9.13% |
| Masters Degree | 1,235 | 13.82% |
| Professional Degree | 138 | 1.54% |
| Doctorate Degree | 104 | 1.16% |