ZIP Code 21105 - Maryland Line Maryland
Overview
ZIP Code 21105 is located in Maryland Line Maryland. 21105 is entirely within Baltimore County. Regionally, 21105 is located in Metro Baltimore.
ZIP Code 21105 Quick Stats
| ZIP Code Name | Maryland Line |
| Primary County | Baltimore County |
| ZIP Code Type | PO Box |
| Population (2022) | 40 |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21105 Map
21105 Demographics
The current unemployment level in 21105 is 4.4%.
| Population | 40 |
| Population Growth Rate | -100% |
| Population Density | 464 People per Square Mile |
| Total Households | 12 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 6% |
21105 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 12 | 48% |
| Bachelor Degree | 0 | 0% |
| High School Diploma | 0 | 0% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 13 | 52% |
| 1 or More Years of College | 0 | 0% |
| Associates Degree | 0 | 0% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
21105 Geography
| Coordinates | 39.71763992, -76.70639801 |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.08612773 Square Miles |
21105 Schools
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