21557 can be classified socioeconomically as Lower 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 21557 is White. The current unemployment level in 21557 is 4.4%.
| Population | 1,782 |
| Population Growth Rate | -9.33% |
| Population Density | 62 People per Square Mile |
| Total Households | 862 |
| Percentage High Income Households | 1.5% |
| Median Household Income (2021) | $45,093 |
| Average Adjusted Gross Income (2021) | $137,550 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 100% |
21557 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 1,516 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21557 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 111 | 8.9% |
| Bachelor Degree | 149 | 11.95% |
| High School Diploma | 443 | 35.53% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 50 | 4.01% |
| 1 or More Years of College | 159 | 12.75% |
| Associates Degree | 247 | 19.81% |
| Masters Degree | 35 | 2.81% |
| Professional Degree | 17 | 1.36% |
| Doctorate Degree | 36 | 2.89% |
