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ZIP Code 21046, Maryland

ZIP Code 21046 profile, demographic data, and geographic information.

ZCTA5 21046 is a 5-digit ZIP Code area located in Howard County, Maryland. As of official census estimates, it has a reported population of 15,608. The land area covers 7.81 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 15,608 ±1,065 2020-2024 / Census ACS 5-Year 2024
Median Age 37.3 yrs ±2.1 2020-2024 / Census ACS 5-Year 2024
Total Households 6,165 ±327 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 6,382 ±344
Occupied Housing Units 6,165 ±327
Vacant Housing Units 217 ±186
Median Home Value $479,500 ±$23,828
Median Gross Rent $2,131 ±$159
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $127,813 ±$9,222
Per Capita Income $61,404 ±$4,527
Poverty Rate 8.4% ±4.5%
Population Below Poverty Level 1,303 ±703
Unemployment Rate 2.7% ±1.3%
Civilian Labor Force, Employed 8,641 ±678
Broadband Internet Rate 98% ±2%
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: 339,668 (2024)
ID: 166366
County Official County Government
Contact: EXECUTIVE ASSISTANT II
3430 COURT HOUSE DR, ELLICOTT CITY MD 21043-4350

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 06-08 Silver Spring, MD
Regular School Nearby PK-05 Baltimore, MD
Regular School Nearby 06-12 Baltimore, MD
Alternative School Nearby 09-12 Baltimore, MD
Regular School Nearby PK-05 Adelphi, MD
Regular School Nearby 09-12 Kensington, MD
Regular School Nearby 09-12 Annapolis, MD
Alternative School Nearby 09-12 Severna Park, MD
Alternative School Nearby 09-12 Ellicott City, MD
Regular School Nearby PK-05 Baltimore, 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
Lincoln College of Technology-Columbia
College 0.1 mi away 9325 Snowden River Pky, Columbia, MD, 21046
410290710041500
EAST COLUMBIA BRANCH
Library 1.4 mi away 6600 CRADLEROCK WAY, COLUMBIA, MD, 21045
(410) 313-7770
Paul Mitchell the School-Jessup
College Vocational 2.7 mi away 7351 Assateague Drive, Suite 370, Jessup, MD, 20794
3013668675
SAVAGE BRANCH
Library 2.8 mi away 9525 DURNESS LANE, LAUREL, MD, 20723
(410) 313-0760
Maryland University of Integrative Health
College 2.9 mi away 7750 Montpelier Road, Laurel, MD, 20723
4108889048
CENTRAL BRANCH
Library 2.9 mi away 10375 LITTLE PATUXENT PARKWAY, COLUMBIA, MD, 21044
(410) 313-7800
Howard Community College
College 3.6 mi away 10901 Little Patuxent Pkwy, Columbia, MD, 21044-3197
4435181000
LAUREL BRANCH
Library 5.0 mi away 507 SEVENTH ST., LAUREL, MD, 20707
(301) 776-6790
Aspen Beauty Academy of Laurel
College Vocational 5.2 mi away 3535 Fort Meade Road, Laurel, MD, 20724
3014908580
MARYLAND CITY AT RUSSETT COMMUNITY LIBRARY
Library 5.2 mi away 3501 RUSSETT COMMON, LAUREL, MD, 20724
(410) 222-1070
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 LAUREL 3 W, MD US, located 7.1 miles from ZCTA5 21046. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 42.7° 26.1° 34.4° 3.46" —
February 46.1° 28.0° 37.0° 2.73" —
March 54.8° 34.8° 44.8° 4.20" —
April 67.0° 44.9° 55.9° 3.80" —
May 75.5° 55.3° 65.4° 4.41" —
June 84.2° 64.5° 74.4° 4.38" —
July 88.6° 69.4° 79.0° 4.17" —
August 87.1° 67.9° 77.5° 3.80" —
September 80.0° 61.2° 70.6° 4.70" —
October 68.5° 49.7° 59.1° 4.41" —
November 57.1° 38.6° 47.8° 3.52" —
December 47.0° 31.4° 39.2° 3.93" —
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
Savage CDP CDP 2.0 mi —
Columbia CDP CDP 2.3 mi —
North Laurel CDP CDP 3.2 mi —
Scaggsville CDP CDP 3.4 mi —
Jessup CDP CDP 3.6 mi —
Fulton CDP CDP 4.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21046. • 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.