Garretts Mill CDP, MD
ZIP 21758 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow AreaRemote Work Hub
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 21758
21758 has a population of 4,238 with a median age of 41.8 yrs (49.3% male).
Health & Community Indicators in 21758
Historical Trends in 21758 (2020–Present)
Since 2020, population declined 8.2%, median income fell 6.8% (inflation-adjusted), home values increased 10.4%.
People & Community key statistics
| Population | |
|---|---|
| Population | 4,238 |
| Median age | 41.8 |
| Poverty rate | 5.3% |
| Demographics | |
|---|---|
| White | 81.1% |
| Hispanic | 5.8% |
| Black | 5.4% |
| Asian | 3.6% |
| Foreign-born | 15.3% |