ZIP Code 21105 is located in Maryland Line Maryland. 21105 is entirely within Baltimore County. Regionally, it is located in Metro Baltimore.
| 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 |
| Population | 40 |
| Population Growth Rate | -100.00% |
| Population Density | 464 People per Square Mile |
| Total Households | 12 |
| Current Unemployment Rate (April 2024) | 3.7% |
| Highest Education Level Attained | 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% |
| 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 |
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