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ZIP Code 21133, Maryland

ZIP Code 21133 profile, demographic data, and geographic information.

ZCTA5 21133 is a 5-digit ZIP Code area located in Baltimore County, Maryland. As of official census estimates, it has a reported population of 31,398. The land area covers 8.96 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 31,398 ±2,099 2020-2024 / Census ACS 5-Year 2024
Median Age 47.1 yrs ±2.1 2020-2024 / Census ACS 5-Year 2024
Total Households 12,204 ±685 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 12,460 ±673
Occupied Housing Units 12,204 ±685
Vacant Housing Units 256 ±140
Median Home Value $322,800 ±$10,521
Median Gross Rent $1,556 ±$111
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $80,480 ±$4,253
Per Capita Income $43,002 ±$3,246
Poverty Rate 9.3% ±3.8%
Population Below Poverty Level 2,890 ±1,196
Unemployment Rate 6.6% ±2.3%
Civilian Labor Force, Employed 15,947 ±1,267
Broadband Internet Rate 93.1% ±1.3%
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 PK-05 Baltimore, MD
Regular School Nearby 06-12 Baltimore, MD
Alternative School Nearby 09-12 Baltimore, MD
Alternative School Nearby 09-12 Ellicott City, MD
Regular School Nearby PK-05 Baltimore, MD
Regular School Nearby 06-08 Baltimore, MD
Regular School Nearby PK-05 Baltimore, MD
Regular School Nearby PK-08 Baltimore, MD
Regular School Nearby PK-02 Baltimore, MD
Regular School Nearby PK-05 Columbia, 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
Empire Beauty School-Owings Mills
College Vocational 3.2 mi away 9616 Reisterstown Rd, Suite 105, Owings Mills, MD, 21117
8009204593
RANDALLSTOWN AREA BRANCH
Library 2.1 mi away 8604 LIBERTY RD., RANDALLSTOWN, MD, 21133
(410) 887-0770
Ner Israel Rabbinical College
College 3.2 mi away 400 Mount Wilson Ln, Baltimore, MD, 21208
4104847200
OWINGS MILLS BRANCH
Library 2.5 mi away 10302 GRAND CENTRAL AVENUE, OWINGS MILLS, MD, 21117
(410) 887-2092
Stevenson University
College 3.8 mi away 100 Campus Circle, Owings Mills, MD, 21117
4104867000
PIKESVILLE BRANCH
Library 4.7 mi away 1301 REISTERSTOWN RD., BALTIMORE, MD, 21208
(410) 887-1234
North American Trade Schools
College Vocational 5.8 mi away 6901 Security Blvd, Suite 16, Baltimore, MD, 21244
4102984844
WOODLAWN BRANCH
Library 5.8 mi away 1811 WOODLAWN DR., BALTIMORE, MD, 21207
(410) 887-1336
Women's Institute of Torah Seminary and College
College 6.1 mi away 6602 Park Heights Avenue, Baltimore, MD, 21215-3009
4103583144
REISTERSTOWN BRANCH
Library 6.0 mi away 21 COCKEYS MILL ROAD, REISTERSTOWN, MD, 21136
(410) 887-1165
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 MD SCI CTR BALTIMORE, MD US, located 12.7 miles from ZCTA5 21133. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 43.7° 30.0° 36.9° 3.07" —
February 46.8° 31.9° 39.4° 2.75" —
March 55.2° 38.7° 46.9° 3.93" —
April 66.8° 48.2° 57.5° 3.55" —
May 75.9° 58.0° 67.0° 3.39" —
June 85.4° 67.7° 76.6° 3.36" —
July 90.1° 72.9° 81.5° 4.71" —
August 87.3° 71.0° 79.1° 4.35" —
September 80.4° 64.5° 72.5° 4.49" —
October 68.8° 52.6° 60.7° 3.49" —
November 57.6° 42.6° 50.1° 2.98" —
December 48.0° 34.6° 41.3° 3.66" —
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
Randallstown CDP CDP 0.7 mi —
Owings Mills CDP CDP 2.5 mi —
Milford Mill CDP CDP 3.1 mi —
Garrison CDP CDP 3.6 mi —
Lochearn CDP CDP 5.0 mi —
Reisterstown CDP CDP 5.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 21133. • 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.