ZIP Code 21233 in Baltimore, MD

Data Last Updated: February 1, 2026
City:Baltimore, Maryland
County:Baltimore City County
Timezone:Eastern (GMT -05:00)
Local Time:9:59:50 PM
Population:4 [See All]
Area Codes:227 / 301 / 410 / 443 / 667
Classification:Standard [Normal Street Delivery]
Coordinates:39.2905, -76.6125
Land Area:0.028 sq mi
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https://www.zip-codes.com/zip-code/21233/zip-code-21233.asp

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Population & Demographics


ZIP Code 21233 has 4 residents and 0 households. The median age is 54.7 years, significantly older than the state (38.8) and significantly older than the nation (38.8). The gender split is 75.0% male and 25.0% female, which is much higher than the state male share (48.2%), making this a male-majority area. Largest groups are Black or African American (100.0%, much higher than the state average of 29.5% and well above the national average of 12.4%) and White (0.0%, much lower than the state average of 48.7% and well below the national average of 61.6%); Hispanic or Latino residents make up 0.0%, which is much lower than the national average (18.7%), and Black or African American share is much higher than both the state (29.5%) and national averages (12.4%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:4Source: Census DHC
2024 ACS Population Estimate:0Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:142.9 people per sq mile
Average Income:$0Source: Census ACS
Households:0Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:0.00Source: Census DHC
Average Family Size:0.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--00000000000000
Decennial Census0------------------4--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 54.7

Male Median Age: 54.5

Female Median Age: 56.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male000000000030000000
Female000000000001000000
Total000000000031000000
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:00%
Black:4100.00%
Hispanic:*00%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:4100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:375.00%54.5 years
Females:125.00%56.5 years
Total:4100%54.7 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Business & Employment Statistics


ZIP Code 21233 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 23 people with an annual payroll of $1,722,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:789Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$426,000Source: CBP
Annual Payroll:$1,722,000Source: CBP
# of Employees:23Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21233 is located in Baltimore City County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 7th Congressional District. This Metro area has a population of 2,710,489 people, about 0.00% of whom live in ZIP Code 21233. It covers 0.028 sq mi of land and a water area of 0 sq mi.

CBSA Name:Baltimore-Columbia-Towson, MDSource: Census
CBSA Number:12580Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:2,710,489Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:0.028 sq miSource: Census
Water Area:--Source: Census
Congressional District:07Source: USPS
Congressional Land Area:488.03 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2404000Source: Census
Place Name:Baltimore city; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21234 | | 21231

Schools in ZIP Code 21233


We could not locate which school district 21233 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Baltimore Leadership School For Young Women 128 W Franklin Street
Baltimore, MD 21201
District: Baltimore City Public SchoolsNearby
Baltimore School For The Arts 712 Cathedral Street
Baltimore, MD 21201
District: Baltimore City Public SchoolsNearby
Eager Street Academy 926 Greenmount Avenue
Baltimore, MD 21202
District: Baltimore City Public SchoolsNearby
City Springs Elementary/Middle 100 S Caroline Street
Baltimore, MD 21231
District: Baltimore City Public SchoolsNearby
Paul Laurence Dunbar High 1400 Orleans Street
Baltimore, MD 21231
District: Baltimore City Public SchoolsNearby
Tong Le Montessori School 805 E Fayette St
Baltimore, MD 21202
District: Private SchoolNearby
The Loyola School 801 Saint Paul St
Baltimore, MD 21202
District: Private SchoolNearby
St Frances Academy 501 E Chase St
Baltimore, MD 21202
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 21233


Baltimore Studio Of Hair Design 318 N Howard St
Baltimore, MD 21201-3444
Type: Post Secondary
University System Of Maryland-Research Centers 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
University System Of Maryland 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
University Of Maryland, Baltimore 620 West Lexington St
Baltimore, MD 21201-1627
Type: Post Secondary
University Of Baltimore Charles At Mount Royal
Baltimore, MD 21201-5720
Type: Post Secondary
Maryland Institute College Of Art 1300 Mount Royal Avenue
Baltimore, MD 21217-4134
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov