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ZIP Code 21790, Maryland

ZIP Code 21790 profile, demographic data, and geographic information.

ZCTA5 21790 is a 5-digit ZIP Code area located in Frederick County, Maryland. As of official census estimates, it has a reported population of 170. The land area covers 4.79 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 170 ±184 2020-2024 / Census ACS 5-Year 2024
Median Age 29.5 yrs ±5.2 2020-2024 / Census ACS 5-Year 2024
Total Households 35 ±34 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 35 ±34
Occupied Housing Units 35 ±34
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 $77,656 ±$38,051
Per Capita Income $19,006 ±$6,770
Poverty Rate 0% ±8.2%
Population Below Poverty Level 0 ±14
Unemployment Rate 0% ±14.9%
Civilian Labor Force, Employed 94 ±119
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: 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
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 06-08 Leesburg, VA
Regular School Nearby PK-05 Ashburn, VA
Regular School Nearby PK-05 New Market, MD
Regular School Nearby 06-08 Purcellville, VA
Regular School Nearby PK-05 Gaithersburg, 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
The Temple-A Paul Mitchell Partner School
College Vocational 11.6 mi away 22 W Church St, Frederick, MD, 21701
3016827550
POINT OF ROCKS BRANCH LIBRARY
Library 2.1 mi away 1635 BALLENGER CREEK PIKE, POINT OF ROCKS, MD, 21777
(301) 874-4560
Hood College
College 11.8 mi away 401 Rosemont Ave, Frederick, MD, 21701
3016963131
LOVETTSVILLE LIBRARY
Library 7.1 mi away 12 NORTH LIGHT STREET, LOVETTSVILLE, VA, 20180
(703) 737-8050
Patrick Henry College
College 13.2 mi away 10 Patrick Henry Circle, Purcellville, VA, 20132
5403381776
BRUNSWICK BRANCH
Library 7.6 mi away 915 N. MAPLE AVE., BRUNSWICK, MD, 21716
(301) 600-7250
Frederick Community College
College 13.9 mi away 7932 Opossumtown Pike, Frederick, MD, 21702-2964
3018462400
URBANA REGIONAL LIBRARY
Library 9.3 mi away 9020 AMELUNG STREET, URBANA, MD, 21704
(301) 600-7000
Catholic International University
College 19.1 mi away 300 S. George Street, Charles Town, WV, 25414
88825442380
MAGGIE NIGHTINGALE BRANCH
Library 9.6 mi away 19633 FISHER AVE., POOLESVILLE, MD, 20837
(240) 773-9550
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 FREDERICK POLICE BRKS, MD US, located 11.1 miles from ZCTA5 21790. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 43.1° 26.5° 34.8° 2.58" —
February 47.8° 28.5° 38.2° 2.95" —
March 55.3° 35.6° 45.5° 3.71" —
April 68.6° 44.7° 56.7° 3.55" —
May 77.4° 55.0° 66.2° 3.99" —
June 85.2° 63.3° 74.2° 4.26" —
July 88.6° 68.4° 78.5° 3.90" —
August 86.7° 66.4° 76.5° 2.89" —
September 80.0° 59.3° 69.7° 5.80" —
October 68.8° 47.2° 58.0° 3.26" —
November 56.3° 37.8° 47.1° 2.66" —
December 47.1° 30.7° 38.9° 3.97" —
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
Point of Rocks CDP CDP 1.7 mi —
Adamstown CDP CDP 3.6 mi —
Buckeystown CDP CDP 5.9 mi —
Barnesville town Town 7.3 mi —
Jefferson CDP CDP 7.3 mi —
Lovettsville town Town 7.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21790. • Official Source Dataset →
  2. 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.
  3. 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.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.