21640 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 21640 is White. The current unemployment level in 21640 is 4.4%.
| Population | 1,374 |
| Population Growth Rate | 0.00% |
| Population Density | 47 People per Square Mile |
| Total Households | 527 |
| Median Household Income (2021) | $70,875 |
| Average Adjusted Gross Income (2021) | $165,110 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 68.65% |
21640 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,272 | 68.65% |
| Black | 0 | 0% |
| Hispanic | 553 | 29.84% |
| Asian | 0 | 0% |
| Native American | 28 | 1.51% |
| Hawaiian/Pac. Islander | 0 | 0% |
21640 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 91 | 11.59% |
| Bachelor Degree | 57 | 7.26% |
| High School Diploma | 374 | 47.64% |
| No High School Diploma | 42 | 5.35% |
| GED or Alternate | 59 | 7.52% |
| 1 or More Years of College | 117 | 14.9% |
| Associates Degree | 18 | 2.29% |
| Masters Degree | 27 | 3.44% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |