ZIP Code 20639, Maryland
ZIP Code 20639 profile, demographic data, and geographic information.
ZCTA5 20639 is a 5-digit ZIP Code area located in Calvert County, Maryland. As of official census estimates, it has a reported population of 15,544. The land area covers 41.59 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 15,544 | ±1,155 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 41.3 yrs | ±2.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 4,898 | ±347 | 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 | 5,144 | ±333 |
| Occupied Housing Units | 4,898 | ±347 |
| Vacant Housing Units | 246 | ±166 |
| Median Home Value | $555,100 | ±$26,531 |
| Median Gross Rent | $1,512 | ±$549 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $161,422 | ±$10,982 |
| Per Capita Income | $56,872 | ±$3,426 |
| Poverty Rate | 4.5% | ±2% |
| Population Below Poverty Level | 704 | ±321 |
| Unemployment Rate | 2.1% | ±1.3% |
| Civilian Labor Force, Employed | 7,433 | ±609 |
| Broadband Internet Rate | 93.9% | ±9.4% |
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: 94,913 (2024)
ID: 105976
|
County | Official County Government |
Contact: COUNTY ADMINISTRATOR
175 MAIN ST, PRINCE FREDERICK MD 20678-9302
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK-05 | Brandywine, MD | |
| Regular School Nearby | PK-05 | Prince Frederick, MD | |
| Regular School Nearby | PK-05 | Chesapeake Beach, MD | |
| Regular School Nearby | KG-05 | Brandywine, MD | |
| Special Education School Nearby | PK-12 | Prince Frederick, MD | |
| Alternative School Nearby | 06-12 | Prince Frederick, MD | |
| Regular School Nearby | PK-05 | Prince Frederick, MD | |
| Regular School Nearby | 09-12 | Prince Frederick, MD | |
| Regular School Nearby | 06-08 | Prince Frederick, MD | |
| Career and Technical School Nearby | 09-12 | Prince Frederick, MD |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
College of Southern Maryland
|
College | 22.1 mi away | 8730 Mitchell Rd, La Plata, MD, 20646-0910 |
3019342251
|
|
CALVERT LIBRARY PRINCE FREDERICK
|
Library | 3.2 mi away | 850 COSTLEY WAY, PRINCE FREDERICK, MD, 20678 |
(410) 535-0291
|
|
Strayer University-Maryland
|
College | 23.0 mi away | 5110 Auth Way, Suitland, MD, 20746 |
8774457180
|
|
CALVERT MOBILE SERVICES
|
Library | 3.2 mi away | 850 COSTLEY WAY, PRINCE FREDERICK, MD, 20678 |
(410) 535-0291
|
|
Prince George's Community College
|
College | 23.1 mi away | 301 Largo Rd, Largo, MD, 20774-2199 |
3015467422
|
|
FAIRVIEW BRANCH
|
Library | 6.5 mi away | 8120 SOUTHERN MARYLAND BOULEVARD, OWINGS, MD, 20736 |
(410) 257-2101
|
|
Hair Academy II
|
College Vocational | 24.8 mi away | Iverson Mall, 3705 Branch Avenue, Lower Level, Hillcrest Heights, MD, 20748-1401 |
3014592509
|
|
TWIN BEACHES BRANCH
|
Library | 7.0 mi away | 3819 HARBOR RD, CHESAPEAKE BEACH, MD, 20732 |
(410) 257-2411
|
|
BADEN BRANCH
|
Library | 9.9 mi away | 13603 BADEN-WESTWOOD RD., BRANDYWINE, MD, 20613 |
(301) 888-1152
|
|
DEALE COMMUNITY LIBRARY
|
Library | 12.8 mi away | 5940 DEALE-CHURCHTON RD., DEALE, MD, 20751 |
(410) 222-1925
|
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 MECHANICSVILLE 5 NE, MD US, located 10.0 miles from ZCTA5 20639. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 44.2° | 24.8° | 34.5° | 3.29" | 5.0" |
| February | 47.6° | 26.2° | 36.9° | 2.97" | 6.2" |
| March | 55.9° | 32.6° | 44.2° | 4.24" | 1.8" |
| April | 67.3° | 42.5° | 54.9° | 3.31" | 0.1" |
| May | 73.7° | 52.0° | 62.9° | 4.32" | 0.0" |
| June | 81.5° | 60.9° | 71.2° | 4.19" | 0.0" |
| July | 85.3° | 65.9° | 75.6° | 4.57" | 0.0" |
| August | 83.3° | 64.2° | 73.8° | 4.84" | 0.0" |
| September | 76.7° | 57.7° | 67.2° | 4.87" | 0.0" |
| October | 66.1° | 45.7° | 55.9° | 4.18" | 0.0" |
| November | 57.3° | 35.5° | 46.4° | 3.34" | 0.0" |
| December | 48.1° | 28.6° | 38.3° | 3.99" | 2.0" |
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 |
|---|---|---|---|
| Huntingtown CDP | CDP | 1.1 mi | — |
| Prince Frederick CDP | CDP | 4.1 mi | — |
| Aquasco CDP | CDP | 5.1 mi | — |
| Eagle Harbor town | Town | 5.1 mi | — |
| Chesapeake Beach town | Town | 6.6 mi | — |
| Benedict CDP | CDP | 7.5 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 20639. • 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.