21918 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 21918 is White. The majority race/ethnicity attending public schools in 21918 is White. The current unemployment level in 21918 is 4.4%.
| Population | 4,462 |
| Population Growth Rate | 0% |
| Population Density | 227 People per Square Mile |
| Total Households | 1,436 |
| Percentage High Income Households | 3.5% |
| Median Household Income (2021) | $76,394 |
| Average Adjusted Gross Income (2021) | $283,410 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 95.99% |
| Public School Majority Race/Ethnicity | White - 91.65% |
21918 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 4,096 | 95.99% |
| Black | 48 | 1.12% |
| Hispanic | 88 | 2.06% |
| Asian | 0 | 0% |
| Native American | 35 | 0.82% |
| Hawaiian/Pac. Islander | 0 | 0% |
21918 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 373 | 93.95% |
| Black | 8 | 2.02% |
| Hispanic | 14 | 3.53% |
| Asian | 0 | 0% |
| Native American | 2 | 0.5% |
| Hawaiian/Pac. Islander | 0 | 0% |
21918 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 266 | 10.04% |
| Bachelor Degree | 302 | 11.4% |
| High School Diploma | 1,057 | 39.9% |
| No High School Diploma | 90 | 3.4% |
| GED or Alternate | 139 | 5.25% |
| 1 or More Years of College | 478 | 18.04% |
| Associates Degree | 226 | 8.53% |
| Masters Degree | 91 | 3.44% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |