20664 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 20664 is White. The majority race/ethnicity attending public schools in 20664 is White. The current unemployment level in 20664 is 4.4%.
| Population | 2,780 |
| Population Growth Rate | -4.64% |
| Population Density | 31 People per Square Mile |
| Total Households | 1,093 |
| Percentage High Income Households | 4.9% |
| Median Household Income (2021) | $88,167 |
| Average Adjusted Gross Income (2021) | $502,130 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 73.06% |
| Public School Majority Race/Ethnicty | White - 72.55% |
20664 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 2,457 | 73.06% |
| Black | 705 | 20.96% |
| Hispanic | 144 | 4.28% |
| Asian | 6 | 0.18% |
| Native American | 51 | 1.52% |
| Hawaiian/Pac. Islander | 0 | 0% |
20664 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 584 | 77.76% |
| Black | 111 | 14.78% |
| Hispanic | 40 | 5.33% |
| Asian | 9 | 1.2% |
| Native American | 4 | 0.53% |
| Hawaiian/Pac. Islander | 3 | 0.4% |
20664 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 127 | 7.43% |
| Bachelor Degree | 124 | 7.25% |
| High School Diploma | 903 | 52.81% |
| No High School Diploma | 34 | 1.99% |
| GED or Alternate | 86 | 5.03% |
| 1 or More Years of College | 191 | 11.17% |
| Associates Degree | 65 | 3.8% |
| Masters Degree | 100 | 5.85% |
| Professional Degree | 52 | 3.04% |
| Doctorate Degree | 28 | 1.64% |