20657 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 20657 is White. The majority race/ethnicity attending public schools in 20657 is White. The current unemployment level in 20657 is 4.4%.
| Population | 21,054 |
| Population Growth Rate | 0% |
| Population Density | 593 People per Square Mile |
| Total Households | 7,145 |
| Percentage High Income Households | 3.8% |
| Median Household Income (2021) | $108,640 |
| Average Adjusted Gross Income (2021) | $305,680 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 82.47% |
| Public School Majority Race/Ethnicity | White - 64.95% |
20657 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 16,817 | 82.41% |
| Black | 2,477 | 12.14% |
| Hispanic | 947 | 4.64% |
| Asian | 151 | 0.74% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 14 | 0.07% |
20657 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 2,103 | 72.39% |
| Black | 517 | 17.8% |
| Hispanic | 232 | 7.99% |
| Asian | 43 | 1.48% |
| Native American | 9 | 0.31% |
| Hawaiian/Pac. Islander | 1 | 0.03% |
20657 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,340 | 11.23% |
| Bachelor Degree | 1,576 | 13.2% |
| High School Diploma | 3,902 | 32.69% |
| No High School Diploma | 142 | 1.19% |
| GED or Alternate | 396 | 3.32% |
| 1 or More Years of College | 2,298 | 19.25% |
| Associates Degree | 1,055 | 8.84% |
| Masters Degree | 944 | 7.91% |
| Professional Degree | 150 | 1.26% |
| Doctorate Degree | 134 | 1.12% |