ZIP Code 21239 in Baltimore, MD

Data Last Updated: February 1, 2026
City:Baltimore, Maryland
City Alias:Idlewylde, Loch Hill, Northwood
Counties:Baltimore City County [Primary]
Baltimore County
Timezone:Eastern (GMT -05:00)
Local Time:9:59:54 PM
Population:26,605 [See All]
Area Codes:410 / 443
Classification:Standard [Normal Street Delivery]
Coordinates:39.3627, -76.5873
Land Area:2.931 sq mi
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Population & Demographics


ZIP Code 21239 has 26,605 residents and 11,578 households (average 2.30 persons per household). The median age is 39.7 years, about the same as the state (38.8) and about the same as the nation (38.8). The gender split is 43.2% male and 56.8% female, which is lower than the national male share (49.1%), making this a female-majority area. Largest groups are Black or African American (78.9%, much higher than the state average of 29.5% and well above the national average of 12.4%) and White (12.7%, much lower than the state average of 48.7% and well below the national average of 61.6%); Hispanic or Latino residents make up 2.8%, 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:26,605Source: Census DHC
2024 ACS Population Estimate:27,346Source: Census ACS
2026 ZC Population Estimate:29,193Source: ZIP-Codes.com
Population Density:9,077.1 people per sq mile
Average Income:$62,650Source: Census ACS
Households:11,578Source: Census DHC
Average House Value:$207,400Source: Census ACS
Persons Per Household:2.30Source: Census DHC
Average Family Size:4.18Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--29,18329,72630,14731,45531,84931,93332,06531,13330,42430,14329,61928,41728,63527,346
Decennial Census28,793------------------26,605--------
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: 39.7

Male Median Age: 35.7

Female Median Age: 42.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male671753802786925897776692656593714733718611499339180139
Female6557088157851,0681,0461,0359739078189381,1041,1691,041858579332290
Total1,3261,4611,6171,5711,9931,9431,8111,6651,5631,4111,6521,8371,8871,6521,357918512429
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:3,38012.88%
Black:20,98379.94%
Hispanic:*7562.88%
Asian:6752.57%
American Indian:780.30%
Hawaiian:100.04%
Other:3661.39%
Total:26,248100%
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:11,48443.16%35.7 years
Females:15,12156.84%42.5 years
Total:26,605100%39.7 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:24,33588.99%
Native, born in PR, Island Areas, or abroad:4561.67%
Foreign born, naturalized U.S. citizen:1,4565.32%
Foreign born, not a U.S. citizen:1,0999.34%
Total Population:27,346100%
Total Native Population:24,79190.66%
Total Foreign-born Population:2,5559.34%
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.

Income & Employment


In 2024, the Median household income is $62,650, which is well under the state median ($101,652), is up $11,448 (22.4%) since 2011 and above its 2019 pre-pandemic level by $7,095. Family households earn a median of $76,158 versus $46,042 for nonfamily households (a difference of $30,116). By gender, male median income is $55,251 and female is $56,307, which is considerably lower than the state female median ($68,044), with a current gap of $1,056 that has narrowed from 2011 to 2024. The labor-force participation rate is 66.0%, which is edges past the national rate (63.5%). The unemployment rate is 4.1%, which is better than the national rate (5.2%). The largest occupation group is Management (43.1%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$51,202$50,343$51,331$52,212$50,809$51,425$52,811$53,689$55,555$56,546$57,103$62,547$64,288$62,650
Median Family Income$57,938$56,475$58,149$59,690$59,589$61,677$65,193$67,532$76,544$72,652$72,025$79,771$77,299$76,158
Median NonFamily Income$34,696$34,819$34,466$32,892$30,256$32,588$36,300$37,026$38,163$41,956$41,102$44,504$47,298$46,042
Median Male Income$44,741$43,851$42,350$44,789$47,156$48,731$48,760$47,471$48,390$48,399$45,976$54,421$53,685$55,251
Median Female Income$37,691$39,868$42,968$41,134$42,620$42,615$42,693$41,028$45,801$46,657$48,455$52,243$57,986$56,307
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:13,88163.22%
Unemployed:6012.74%
Not In Labor Force:7,47634.05%
Total:21,958100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:5,98243.09%
Service:2,80420.20%
Sales and Office:2,87520.71%
Natural resources, construction, and maintenance:5113.68%
Production, transportation, and material moving:1,70912.31%
Total Civilian Employed Population:13,881100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $207,400, which is much lower than the state median ($397,700), is up $44,300 (27.16%) since 2011 and above its 2019 pre-pandemic level by $54,000. The median gross rent is $1,367, which is much lower than the state median ($1,662), is up $370 (37.11%) since 2011 and above its 2019 pre-pandemic level by $227. Of occupied housing, owners make up 55.22% (74.77% with a mortgage, 25.23% free-and-clear) and renters 44.78% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 5.29%, which is far lower than the national rate (10.43%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$163,100$161,700$158,500$150,700$145,800$146,700$146,700$149,600$153,400$153,800$158,000$176,300$191,200$207,400
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:2514.64%
$500 to $999:1592.94%
$1,000 to $1,499:2,88153.26%
$1,500 to $1,999:1,49427.62%
$2,000 to $2,499:4217.78%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:2033.75%
Total:5,409100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$997$1,020$1,000$1,016$1,030$1,056$1,088$1,117$1,140$1,142$1,189$1,245$1,337$1,367
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):4,98841.29%
Owner Occupied (free and clear, no mortgage):1,68313.93%
Renter Occupied:5,40944.78%
Total Occupied Housing Units:12,080100%

Occupied Housing Units:12,08094.71%
Vacant Housing Units (not graphed):6755.29%
Total Housing Units:12,755100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:8,09263.44%
Multi-Family Units:4,66336.56%
Other Units:00.00%
Total Housing Units:12,755100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 32.70% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (42.70%). High school or higher is 94.80%, which is far higher than the national rate (89.40%). The uninsured rate is 4.70%, which is falls below the national rate (8.60%). Public coverage is 45.00%, which is notably higher than the state rate (34.20%). The share of people in poverty is 8.80%, which is on par with the state rate (6.30%), down 1.70 percentage points since 2011 and above its 2019 pre-pandemic level by 1.90 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is college (39.65%). College enrollment is 39.65%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:3732.02%
9th to 12th grade, no diploma:5813.15%
High school graduate (includes equivalency):5,37829.14%
Some college, no degree:4,58624.85%
Associate's degree:1,5028.14%
Bachelor's degree:3,00716.30%
Graduate or professional degree:3,02616.40%
Total:18,453100%
High school or higher:17,49994.83%
Bachelor's degree or higher:6,03332.69%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:17,83856.80%
Public Insurance:12,27539.08%
No Insurance:1,2944.12%
Total:31,407100%
Has Health Insurance:30,11395.88%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty9.0%12.2%13.6%12.5%11.2%10.5%7.4%6.7%5.4%6.6%7.6%6.3%7.3%8.8%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:3284.50%
Kindergarten:3504.80%
Elementary school (grades 1-8):2,34132.13%
High school (grades 9-12):1,37918.92%
College or graduate school:2,88939.65%
Total:7,287100%
Early Childhood:6789.30%
K-12 (Primary & Secondary School):4,07055.85%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 21239 supports both business and residential activity. According to the Business Census (2024), there are 199 business establishments, employing about 5,093 people with an annual payroll of $429,820,000. USPS data shows 12,693 residential mailboxes and 138 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:12,693Source: USPS
# Business Mailboxes:138Source: USPS
Total Delivery Receptacles:16,354Source: USPS
Single Family Delivery Units:8,397Source: USPS
Multi Family Delivery Units:4,222Source: USPS
# of Businesses:199Source: CBP
1st Quarter Payroll:$105,912,000Source: CBP
Annual Payroll:$429,820,000Source: CBP
# of Employees:5,093Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 21239 is located in Baltimore City County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 2nd and 7th Congressional Districts. This Metro area has a population of 2,710,489 people, about 0.98% of whom live in ZIP Code 21239. It covers 2.931 sq mi of land and a water area of 0.001 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:2.931 sq miSource: Census
Water Area:0.001 sq miSource: Census
Congressional District:02,07Source: USPS
Congressional Land Area:348.88, 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


21240 | | 21237

Schools in ZIP Code 21239


ZIP Code 21239 is in the Baltimore City Public Schools, which serves grades Pre-Kindergarten thru 12th. There are 3 public schools and 2 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Northwood Elementary 5201 Loch Raven Boulevard
Baltimore, MD 21239
District: Baltimore City Public Schools
Leith Walk Elementary/Middle 5915 Glennor Road
Baltimore, MD 21239
District: Baltimore City Public Schools
Yorkwood Elementary 5931 Yorkwood Road
Baltimore, MD 21239
District: Baltimore City Public Schools
Mercy High School 1300 E Northern Pkwy
Baltimore, MD 21239
District: Private School
Cardinal Shehan School 5407 Loch Raven Blvd
Baltimore, MD 21239
District: Private School

Colleges & Post Secondary Schools near ZIP Code 21239


Morgan State University 1700 East Cold Spring Lane
Baltimore, MD 21251-0001
Type: Post Secondary
Notre Dame Of Maryland University 4701 N Charles St
Baltimore, MD 21210-2476
Type: Post Secondary
Loyola University Maryland 4501 N Charles St
Baltimore, MD 21210-2699
Type: Post Secondary
Towson University 8000 York Rd
Towson, MD 21252-0001
Type: Post Secondary
Holistic Massage Training Institute 2834 Loch Raven Road
Baltimore, MD 21218
Type: Post Secondary
Fortis Institute-Towson 700 York Road
Towson, MD 21204-9840
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