21523 can be classified socioeconomically as Lower 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 21523 is White. The current unemployment level in 21523 is 4.4%.
| Population | 133 |
| Population Growth Rate | 8.65% |
| Population Density | 9 People per Square Mile |
| Total Households | 104 |
| Median Household Income (2021) | $17,066 |
| Average Adjusted Gross Income (2021) | $129,000 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 83.85% |
21523 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 161 | 83.85% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 31 | 16.15% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21523 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 10 | 5.78% |
| High School Diploma | 103 | 59.54% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 27 | 15.61% |
| Associates Degree | 10 | 5.78% |
| Masters Degree | 23 | 13.29% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |