20646 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 20646 is White. The majority race/ethnicity attending public schools in 20646 is White. The current unemployment level in 20646 is 4.4%.
| Population | 21,248 |
| Population Growth Rate | 1.26% |
| Population Density | 265 People per Square Mile |
| Total Households | 6,667 |
| Percentage High Income Households | 11.5% |
| Median Household Income (2021) | $119,306 |
| Average Adjusted Gross Income (2021) | $324,970 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 72.6% |
| Public School Majority Race/Ethnicity | White - 50.28% |
20646 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 15,000 | 72.6% |
| Black | 4,119 | 19.94% |
| Hispanic | 851 | 4.12% |
| Asian | 583 | 2.82% |
| Native American | 107 | 0.52% |
| Hawaiian/Pac. Islander | 0 | 0% |
20646 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 1,693 | 55.04% |
| Black | 979 | 31.83% |
| Hispanic | 273 | 8.88% |
| Asian | 116 | 3.77% |
| Native American | 9 | 0.29% |
| Hawaiian/Pac. Islander | 6 | 0.2% |
20646 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,430 | 11.59% |
| Bachelor Degree | 2,362 | 19.15% |
| High School Diploma | 3,489 | 28.28% |
| No High School Diploma | 111 | 0.9% |
| GED or Alternate | 341 | 2.76% |
| 1 or More Years of College | 2,225 | 18.04% |
| Associates Degree | 947 | 7.68% |
| Masters Degree | 1,052 | 8.53% |
| Professional Degree | 135 | 1.09% |
| Doctorate Degree | 245 | 1.99% |