21666 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 21666 is White. The majority race/ethnicity attending public schools in 21666 is White. The current unemployment level in 21666 is 4.4%.
| Population | 14,193 |
| Population Growth Rate | 0.00% |
| Population Density | 481 People per Square Mile |
| Total Households | 4,411 |
| Percentage High Income Households | 7.9% |
| Median Household Income (2021) | $107,797 |
| Average Adjusted Gross Income (2021) | $521,590 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 90.42% |
| Public School Majority Race/Ethnicty | White - 80.55% |
21666 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 12,038 | 90.42% |
| Black | 557 | 4.18% |
| Hispanic | 448 | 3.37% |
| Asian | 270 | 2.03% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
21666 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,622 | 85.69% |
| Black | 139 | 4.54% |
| Hispanic | 239 | 7.81% |
| Asian | 53 | 1.73% |
| Native American | 4 | 0.13% |
| Hawaiian/Pac. Islander | 3 | 0.1% |
21666 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 650 | 7.98% |
| Bachelor Degree | 1,637 | 20.1% |
| High School Diploma | 2,293 | 28.15% |
| No High School Diploma | 64 | 0.79% |
| GED or Alternate | 256 | 3.14% |
| 1 or More Years of College | 1,409 | 17.3% |
| Associates Degree | 732 | 8.99% |
| Masters Degree | 853 | 10.47% |
| Professional Degree | 89 | 1.09% |
| Doctorate Degree | 163 | 2% |