21105 ZIP Code, Maryland Line, MD
21105 is a ZIP code in Maryland Line, Maryland in Baltimore County. It covers 0.1 square miles of land. The closest ZIP codes are 17349, 21053 and 17361. 36 people live here in 14 households, fewer than in most Maryland ZIP codes. With about 419 people per square mile it is lightly settled, and most households rent (0% own).
Quick facts
- Mailing city: Maryland Line, MD
- County: Baltimore County
- Land area: 0.1 sq mi
- Population: 36
Key figures
| Measure | Value |
|---|---|
| Residents | 36 |
| Households | 14 |
| Median household income | not published |
| Income per person | not published |
| Median age | not published |
| Homeowners | 0.0% |
| Median home value | not published |
| Median rent | not published |
| Bachelor's degree or higher | 38.9% |
| Average commute (minutes) | not published |
| Households with kids under 18 | 0.0% |
| Moved in the past year | 0.0% |
| Below the poverty line | 0.0% |
| Broadband internet | 100.0% |
| Speak a non-English language at home | 61.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 0.0% |
| $25–35K | 100.0% |
| $35–50K | 0.0% |
| $50–75K | 0.0% |
| $75–100K | 0.0% |
| $100–150K | 0.0% |
| $150–200K | 0.0% |
| $200K+ | 0.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 0.0% |
| 10–19 | 0.0% |
| 20–24 | 0.0% |
| 25–34 | 0.0% |
| 35–44 | 0.0% |
| 45–54 | 0.0% |
| 55–64 | 0.0% |
| 65–74 | 100.0% |
| 75+ | 0.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 0.0% |
| Owned outright | 0.0% |
| Rented | 100.0% |
| Vacant | 0.0% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 100.0% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 0.0% |
Businesses in 21105
9 business establishments with 61 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 21105 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 17349 — New Freedom borough, PA (2.1 mi)
- 21053 (3.6 mi)
- 17361 — Shrewsbury borough, PA (3.8 mi)
- 17355 — Railroad borough, PA (3.9 mi)
- 21120 (4.9 mi)
- 17363 — Stewartstown borough, PA (5.1 mi)
- 21161 (6 mi)
- 17327 — Glen Rock borough, PA (7 mi)
Areas that include 21105
- Maryland Line, MD ZIP codes — 1 ZIP code
- Baltimore County ZIP codes — 54 ZIP codes
- Maryland ZIP code data
Mail every home in 21105
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 21105, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 21105 in?
- 21105 is a Maryland Line, MD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 21105 in?
- 21105 is in Baltimore County.
- What is the population of 21105?
- About 36 people (±60), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 56.
- How many carrier routes and mailboxes are in 21105?
- EDDM2GO's stored route library does not include 21105 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 21105?
- The closest, measured center to center: 17349 (2.1 mi, New Freedom borough, PA), 21053 (3.6 mi), 17361 (3.8 mi, Shrewsbury borough, PA), 17355 (3.9 mi, Railroad borough, PA), 21120 (4.9 mi) and 17363 (5.1 mi, Stewartstown borough, PA).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.