21550 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 21550 is White. The majority race/ethnicity attending public schools in 21550 is White. The current unemployment level in 21550 is 4.4%.
| Population | 13,640 |
| Population Growth Rate | -2.37% |
| Population Density | 66 People per Square Mile |
| Total Households | 5,971 |
| Percentage High Income Households | 1.1% |
| Median Household Income (2021) | $57,778 |
| Average Adjusted Gross Income (2021) | $553,450 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 97.67% |
| Public School Majority Race/Ethnicty | White - 95.97% |
21550 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 13,745 | 97.67% |
| Black | 77 | 0.55% |
| Hispanic | 146 | 1.04% |
| Asian | 74 | 0.53% |
| Native American | 31 | 0.22% |
| Hawaiian/Pac. Islander | 0 | 0% |
21550 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,072 | 98.01% |
| Black | 9 | 0.43% |
| Hispanic | 29 | 1.37% |
| Asian | 4 | 0.19% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21550 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 759 | 9.04% |
| Bachelor Degree | 935 | 11.13% |
| High School Diploma | 3,528 | 42.01% |
| No High School Diploma | 152 | 1.81% |
| GED or Alternate | 451 | 5.37% |
| 1 or More Years of College | 1,187 | 14.13% |
| Associates Degree | 641 | 7.63% |
| Masters Degree | 535 | 6.37% |
| Professional Degree | 139 | 1.65% |
| Doctorate Degree | 72 | 0.86% |