ZIP Code 21105
standardSource:
Maryland Line · Baltimore County · Maryland
- Population
- 65
- Bachelor's or higher
- 38.9%
- Land area
- 0.3 sq mi
214/sq mi
New York
ZIP code 21105 in Maryland Line, Maryland has a population of 65. 38.9% of residents hold a bachelor's degree or higher.
ZIP code 21105 is classified by USPS as a standard delivery area and covers roughly 0.3 square miles in Maryland Line, Baltimore County, Maryland. The area is home to 65 residents, producing a population density of 214 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21105 against Maryland and the nation.
On the economic side, the median household income for ZIP 21105 sits at —, while per-capita income is —. The poverty rate stands at 0.0% and the unemployment rate at —. On housing, the median home value is — with median rent at — per month, and 0.0% of occupied units are owner-occupied, a direct signal of whether 21105 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.9% of adults hold a bachelor's degree or higher, the median age is —, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21105 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 21105, Maryland Line, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
65
Population
0.3
Area (sq mi)
214
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21105?
—
Median Age
38.9%
Male
61.1%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
0.0%
Poverty Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
14
Total Housing Units
14
Occupied Units
0
Vacant Units
2.57
Avg Household Size
Occupancy Type
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 9 business establishments in ZIP 21105, employing approximately 61 people with a combined annual payroll of $3,504,000.
9
Businesses
61
Employees
$3.5M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 21105 vs 17349 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 17349 | New Freedom, PA | 7,570 | 3.2 mi |
| 17361 | Shrewsbury, PA | 5,806 | 3.8 mi |
| 21053 | Freeland, MD | 3,305 | 3.7 mi |
| 17355 | Railroad, PA | 261 | 4.0 mi |
| 21120 | Parkton, MD | 6,967 | 5.0 mi |
| 17363 | Stewartstown, PA | 9,413 | 5.1 mi |
| 21161 | White Hall, MD | 5,490 | 5.9 mi |
| 17327 | Glen Rock, PA | 7,565 | 7.1 mi |
| 21111 | Monkton, MD | 4,903 | 10.1 mi |
| 17360 | Seven Valleys, PA | 5,927 | 11.0 mi |
More ZIP Codes in Baltimore County
Related Areas
Frequently Asked Questions
What county is ZIP code 21105 in? ▼
What is the population of ZIP code 21105? ▼
What is the demographic makeup of ZIP 21105? ▼
How many businesses are in ZIP code 21105? ▼
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ZIP Code Research Guides
Official Data Resources for Maryland Line, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.