ZIP Code 20842, Maryland
ZIP Code 20842 profile, demographic data, and geographic information.
ZCTA5 20842 is a 5-digit ZIP Code area located in Frederick County / Montgomery County, Maryland. As of official census estimates, it has a reported population of 2,369. The land area covers 55.66 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 2,369 | ±381 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 48.5 yrs | ±5.4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 802 | ±131 | 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 | 855 | ±129 |
| Occupied Housing Units | 802 | ±131 |
| Vacant Housing Units | 53 | ±33 |
| Median Home Value | $745,800 | ±$105,925 |
| Median Gross Rent | $1,777 | ±$185 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $204,013 | ±$9,864 |
| Per Capita Income | $82,106 | ±$18,465 |
| Poverty Rate | 1.2% | ±1.1% |
| Population Below Poverty Level | 29 | ±26 |
| Unemployment Rate | 0.5% | ±0.8% |
| Civilian Labor Force, Employed | 1,276 | ±264 |
| Broadband Internet Rate | 93.3% | ±3.8% |
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: 299,317 (2024)
ID: 183761
|
County | Official County Government |
Contact: SENIOR HR ANALYST
12 E CHURCH ST, FREDERICK MD 21701-5402
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Alternative School Nearby | N | Leesburg, VA | |
| Regular School Nearby | PK-05 | Sterling, VA | |
| Regular School Nearby | PK-05 | Ashburn, VA | |
| Regular School Nearby | PK-05 | Leesburg, VA | |
| Regular School Nearby | PK-05 | Frederick, MD | |
| Regular School Nearby | 06-08 | Frederick, MD | |
| Regular School Nearby | PK-05 | Rockville, MD | |
| Regular School Nearby | PK-05 | Rockville, MD | |
| Regular School Nearby | PK-05 | Potomac, MD | |
| Regular School Nearby | 06-08 | Leesburg, VA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
The Temple-A Paul Mitchell Partner School
|
College Vocational | 14.9 mi away | 22 W Church St, Frederick, MD, 21701 |
3016827550
|
|
MAGGIE NIGHTINGALE BRANCH
|
Library | 3.8 mi away | 19633 FISHER AVE., POOLESVILLE, MD, 20837 |
(240) 773-9550
|
|
Hood College
|
College | 15.3 mi away | 401 Rosemont Ave, Frederick, MD, 21701 |
3016963131
|
|
MONTGOMERY COUNTY CORRECTIONAL FACILITY
|
Library | 7.0 mi away | 22880 WHELAN LANE, BOYDS, MD, 20841 |
(240) 773-9914
|
|
Divine Mercy University
|
College | 15.3 mi away | 45154 Underwood Lane, Sterling, VA, 20166 |
7034161441
|
|
GERMANTOWN BRANCH
|
Library | 8.1 mi away | 19840 CENTURY BLVD, GERMANTOWN, MD, 20874 |
(240) 777-0110
|
|
Patrick Henry College
|
College | 15.4 mi away | 10 Patrick Henry Circle, Purcellville, VA, 20132 |
5403381776
|
|
POINT OF ROCKS BRANCH LIBRARY
|
Library | 8.5 mi away | 1635 BALLENGER CREEK PIKE, POINT OF ROCKS, MD, 21777 |
(301) 874-4560
|
|
Montgomery College
|
College | 15.4 mi away | 51 Mannakee Street, Rockville, MD, 20850 |
2405675000
|
|
URBANA REGIONAL LIBRARY
|
Library | 9.6 mi away | 9020 AMELUNG STREET, URBANA, MD, 21704 |
(301) 600-7000
|
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 DAMASCUS 3 SSW, MD US, located 10.8 miles from ZCTA5 20842. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 39.1° | 24.5° | 31.8° | 3.41" | 9.4" |
| February | 42.6° | 26.1° | 34.4° | 2.98" | 11.1" |
| March | 51.6° | 33.1° | 42.4° | 4.04" | 4.8" |
| April | 63.9° | 42.9° | 53.4° | 3.62" | 0.2" |
| May | 72.5° | 52.8° | 62.6° | 4.35" | 0.0" |
| June | 80.2° | 61.5° | 70.9° | 4.67" | 0.0" |
| July | 84.3° | 66.0° | 75.1° | 4.49" | 0.0" |
| August | 82.6° | 64.6° | 73.6° | 4.18" | 0.0" |
| September | 75.7° | 57.6° | 66.7° | 4.76" | 0.0" |
| October | 64.5° | 46.5° | 55.5° | 4.01" | 0.0" |
| November | 53.3° | 36.4° | 44.9° | 3.49" | 0.8" |
| December | 43.5° | 29.5° | 36.5° | 3.89" | 5.1" |
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 |
|---|---|---|---|
| Barnesville town | Town | 2.7 mi | — |
| Poolesville town | Town | 3.9 mi | — |
| Ten Mile Creek CDP | CDP | 6.3 mi | — |
| Adamstown CDP | CDP | 7.9 mi | — |
| Clarksburg CDP | CDP | 8.1 mi | — |
| Point of Rocks CDP | CDP | 8.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 20842. • 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.