ZIP Code 21105, Maryland
ZIP Code 21105 profile, demographic data, and geographic information.
ZCTA5 21105 is a 5-digit ZIP Code area located in Baltimore County, Maryland. As of official census estimates, it has a reported population of 36. The land area covers 0.09 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 36 | ±60 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | Suppressed | — | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 14 | ±24 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 14 | ±24 |
| Occupied Housing Units | 14 | ±24 |
| Vacant Housing Units | 0 | ±14 |
| Median Home Value | Suppressed | — |
| Median Gross Rent | Suppressed | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | Suppressed | — |
| Per Capita Income | Data unavailable | — |
| Poverty Rate | 0% | ±38.9% |
| Population Below Poverty Level | 0 | ±14 |
| Civilian Labor Force, Unemployed | 0 | ±14 |
| Civilian Labor Force, Employed | 0 | ±14 |
| Broadband Internet Rate | 100% | ±0% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 852,425 (2024)
ID: 166363
|
County | Official County Government |
Contact: KEITH DORSEY
400 WASHINGTON AVE, TOWSON MD 21204-4606
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-05 | Baldwin, MD | |
| Regular School Nearby | KG-06 | Brogue, PA | |
| Regular School Nearby | 04-06 | York, PA | |
| Regular School Nearby | 07-08 | Dallastown, PA | |
| Regular School Nearby | 09-12 | Dallastown, PA | |
| Regular School Nearby | KG-03 | Dallastown, PA | |
| Regular School Nearby | PK-05 | Manchester, MD | |
| Regular School Nearby | 09-12 | Fallston, MD | |
| Regular School Nearby | 06-08 | Fallston, MD | |
| Regular School Nearby | PK-04 | Fawn Grove, PA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
York County School of Technology-Adult & Continuing Education
|
College Vocational | 14.9 mi away | 2179 S Queen St, York, PA, 17402-4696 |
7177472130
|
|
SOUTHERN YORK COUNTY LIBRARY
|
Library | 2.9 mi away | 80 CONSTITUTION AVE, SHREWSBURY, PA, 17361 |
(717) 235-4313
|
|
Institute of Health Sciences
|
College Vocational | 15.7 mi away | 11031 McCormick Road, Hunt Valley, MD, 21031-1408 |
4108912514
|
|
MASON DIXON PUBLIC LIBRARY
|
Library | 4.0 mi away | 250 BAILEY DRIVE, STEWARTSTOWN, PA, 17363 |
(717) 993-2404
|
|
York College of Pennsylvania
|
College | 16.5 mi away | 441 Country Club Rd, York, PA, 17403-3651 |
7178467788
|
|
NORRISVILLE BRANCH
|
Library | 6.4 mi away | 5310 NORRISVILLE RD., WHITE HALL, MD, 21161 |
(410) 692-7850
|
|
Pennsylvania State University-Penn State York
|
College | 16.7 mi away | 1031 Edgecomb Avenue, York, PA, 17403-3326 |
7177714000
|
|
A HUFNAGEL PUBLIC LIBRARY OF GLEN ROCK
|
Library | 6.9 mi away | 32 MAIN STREET, GLEN ROCK, PA, 17327 |
(717) 235-1127
|
|
World A Cuts Barber Institute
|
College Vocational | 17.7 mi away | 121 North George Street, York, PA, 17401-1105 |
7178468711
|
|
HEREFORD BRANCH
|
Library | 8.7 mi away | 16940 YORK ROAD, MONKTON, MD, 21111 |
(410) 887-1919
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MILLERS 4 NE, MD US, located 8.0 miles from ZCTA5 21105. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 39.5° | 23.7° | 31.6° | 3.58" | 9.7" |
| February | 42.9° | 25.3° | 34.1° | 2.94" | 10.8" |
| March | 51.8° | 31.9° | 41.8° | 4.14" | 6.3" |
| April | 64.5° | 41.8° | 53.2° | 3.84" | 0.5" |
| May | 73.2° | 51.3° | 62.3° | 3.96" | 0.0" |
| June | 80.8° | 60.0° | 70.4° | 3.80" | 0.0" |
| July | 84.9° | 64.4° | 74.6° | 4.73" | 0.0" |
| August | 83.1° | 62.6° | 72.9° | 4.19" | 0.0" |
| September | 76.7° | 56.3° | 66.5° | 5.11" | 0.0" |
| October | 65.4° | 45.4° | 55.4° | 4.19" | 0.2" |
| November | 53.9° | 35.9° | 44.9° | 3.36" | 1.0" |
| December | 43.7° | 28.4° | 36.1° | 4.04" | 5.6" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| New Freedom borough | Borough | 2.7 mi | — |
| Railroad borough | Borough | 3.9 mi | — |
| Shrewsbury borough | Borough | 4.1 mi | — |
| Stewartstown borough | Borough | 4.1 mi | — |
| Glen Rock borough | Borough | 6.8 mi | — |
| Cross Roads borough | Borough | 8.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21105. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.