21239 ZIP Code — Baltimore, MD
Baltimore City County, Maryland
ZIP code 21239 is located in Baltimore, Maryland, within Baltimore City County. It covers approximately 2.93 square miles and serves a population of 28,417 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.
About ZIP code 21239
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $176,300. Owner-occupancy sits near the national average at 56%.
The gap between median ($62,547) and mean household income suggests income inequality — a small number of higher earners pull the average up. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
28,417
population
2.93
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21239 ZIP code map
Cities in ZIP code 21239
Below are the cities the US Postal Service accepts for ZIP code 21239. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Baltimore | Acceptable |
| Baltimore | Preferred |
Nearby ZIP codes
21251 Baltimore (1.4 mi)
21214 Baltimore (1.6 mi)
21212 Baltimore (1.7 mi)
21252 Towson (2.3 mi)
21218 Baltimore (2.5 mi)
21210 Baltimore (2.6 mi)
21213 Baltimore (3.2 mi)
21206 Baltimore (3.3 mi)
21211 Baltimore (3.6 mi)
21204 Towson (3.6 mi)
21286 Towson (3.7 mi)
21234 Parkville (3.7 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 28,417 |
| Population density | 9,699 / sq mi |
| State FIPS | 24 |
| County FIPS | 510 |
| Geography | |
|---|---|
| Land area | 2.93 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.3627 |
| Longitude | -76.5873 |
| Timezone | Eastern (ET) |
| Area code | 410/443 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.5% | 46.5% | 28.2% |
| $50k – $100k | 34.0% | 28.0% | 28.2% |
| $100k – $200k | 19.9% | 18.7% | 30.1% |
| Over $200k | 4.5% | 6.8% | 13.4% |
Demographics & statistics
28,417
Population
9,699
People per sq mi
37.8
Median age
$62,547
Median household income
$38,735
Per capita income
$176,300
Median home value
$1,245
Median monthly rent
56.3%
Home ownership
11.2%
Poverty rate
6.4%
Unemployment
7,470
Housing units
30.6%
Bachelor's or higher
Age distribution
Male
Female
863
Under 5
1,270
547
5–9
805
570
10–14
839
859
15–19
1,265
849
20–24
1,251
1,756
25–34
2,586
1,071
35–44
1,577
1,265
45–54
1,862
744
55–59
1,096
960
60–64
1,413
1,251
65–74
1,843
575
75–84
848
183
85+
269
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5,919 | 20.8% |
| 18 and over | 22,498 | 79.2% |
| 65 and over | 4,969 | 17.5% |
| Median age | 37.8 years | |
Race & ethnicity
Black or African American
75.4%
White
14.4%
Two or more races
5.2%
Asian
2.4%
Hispanic or Latino
1.7%
Other race
0.7%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| Black or African American | 21,814 | 75.4% |
| White | 4,172 | 14.4% |
| Two or more races | 1,507 | 5.2% |
| Asian | 688 | 2.4% |
| Hispanic or Latino | 503 | 1.7% |
| Other race | 214 | 0.7% |
| American Indian / Alaska Native | 22 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.5% | 46.5% | 28.2% |
| $50k – $100k | 34.0% | 28.0% | 28.2% |
| $100k – $200k | 19.9% | 18.7% | 30.1% |
| Over $200k | 4.5% | 6.8% | 13.4% |
Under $10k
6.8%
$10k–$15k
5.2%
$15k–$25k
6.7%
$25k–$35k
7.9%
$35k–$50k
12.2%
$50k–$75k
19.3%
$75k–$100k
13.7%
$100k–$150k
15.4%
$150k–$200k
6.5%
$200k+
6.3%
| Range | % of households |
|---|---|
| Under $10k | 6.8% |
| $10k–$15k | 5.2% |
| $15k–$25k | 6.7% |
| $25k–$35k | 7.9% |
| $35k–$50k | 12.2% |
| $50k–$75k | 19.3% |
| $75k–$100k | 13.7% |
| $100k–$150k | 15.4% |
| $150k–$200k | 6.5% |
| $200k+ | 6.3% |
| Median income | $62,547 |
Housing
Home values
Under $50k
2.7%
$50k–$100k
5.8%
$100k–$150k
22.5%
$150k–$200k
32.4%
$200k–$300k
23.3%
$300k–$500k
9.7%
$500k–$1M
3.4%
$1M+
0.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $176,300 |
| Median rent / month | $1,245 |
| Owner occupied | 56.3% |
| Renter occupied | 43.7% |
| Vacant | 7.1% |
| Single-family detached | 9.4% |
| Large apartment buildings | 7.6% |
| Mobile homes | 0.0% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.64 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 0.8% |
| 2000–2009 | 0.5% |
| 1990–1999 | 6.3% |
| 1980–1989 | 6.6% |
| 1970–1979 | 8.2% |
| 1960–1969 | 9.8% |
| 1950–1959 | 38.6% |
| 1940–1949 | 20.6% |
| 1939 or earlier | 8.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.3% |
| 1 bedroom | 16.0% |
| 2 bedrooms | 22.8% |
| 3 bedrooms | 50.6% |
| 4 bedrooms | 7.3% |
| 5+ bedrooms | 0.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 16.0% |
| 1 vehicle | 46.8% |
| 2 vehicles | 28.4% |
| 3 or more | 8.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 67.3% |
| Electricity | 27.1% |
| Propane / LP gas | 0.6% |
| Fuel oil | 4.2% |
| Wood | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,072 | 26.3% |
| Cohabiting couple | 727 | 6.2% |
| Male householder, no spouse | 1,865 | 16.0% |
| Female householder, no spouse | 6,023 | 51.5% |
| Households with children under 18 | 2,953 | 25.3% |
| Households with seniors (65+) | 3,958 | 33.9% |
| Average household size | 2.36 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 51.1% | 46.8% |
| Married | 35.0% | 25.2% |
| Separated | 2.7% | 2.3% |
| Widowed | 2.6% | 10.5% |
| Divorced | 8.6% | 15.1% |
Education
Less than 9th grade
2.4%
Some HS, no diploma
6.5%
HS graduate
28.9%
Some college, no degree
23.7%
Associate's degree
8.0%
Bachelor's degree
16.4%
Graduate / professional
14.2%
| Metric | % |
|---|---|
| HS diploma or higher | 91.1% |
| Bachelor's or higher | 30.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 462 | 6.0% |
| Kindergarten | 322 | 4.2% |
| Elementary school | 2,188 | 28.6% |
| High school | 1,710 | 22.4% |
| College / grad school | 2,958 | 38.7% |
Employment
Industry of employment
Education & healthcare
35.0%
Public administration
12.6%
Retail trade
9.9%
Professional & management
8.5%
Transportation & utilities
8.4%
Finance & real estate
6.4%
Construction
4.6%
Arts, food & hospitality
4.3%
Manufacturing
4.0%
Other services
3.2%
Wholesale trade
1.4%
Information
1.2%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 43.8% |
| Service | 19.9% |
| Sales & office | 21.7% |
| Natural resources & construction | 4.1% |
| Production & transportation | 10.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.2% |
| Government | 23.8% |
| Self-employed | 2.6% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 65.9% |
| Carpool | 9.5% |
| Public transit | 7.4% |
| Walk | 2.5% |
| Work from home | 11.5% |
| Other means | 3.2% |
| Avg commute (minutes) | 26.9 |
Poverty
All people
11.2%
Under 18 years
12.2%
18 and over
10.9%
Married-couple families
6.2%
Female-led households
7.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.1% |
| Retirement income | 29.0% |
| Supplemental Security | 8.5% |
| Cash public assistance | 3.2% |
| Food stamps / SNAP | 15.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 36.1% |
| High blood pressure | 39.1% |
| High cholesterol | 29.1% |
| Diabetes | 12.3% |
| Heart disease | 4.8% |
| Stroke | 3.4% |
| Asthma | 11.7% |
| Arthritis | 23.5% |
| Kidney disease | 3.0% |
| Pulmonary disease | 5.0% |
| Cancer | 5.4% |
| Behavior / access | % |
|---|---|
| Smoking | 16.0% |
| Binge drinking | 15.2% |
| No physical activity | 23.1% |
| Less than 7 hrs sleep | 39.9% |
| Depression | 18.8% |
| Fair or poor health | 14.5% |
| Poor mental health | 15.5% |
| Poor physical health | 8.6% |
| No health insurance | 11.7% |
| Visited doctor (checkup) | 81.3% |
| Visited dentist | 60.7% |
| Cholesterol screening | 92.6% |
| Teeth loss | 12.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,105 | 4.9% |
| Disability | % |
|---|---|
| Any disability | 11.8% |
| Under 18 | 3.6% |
| 18–64 years | 8.0% |
| 65 and over | 35.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 68.4% |
| Public insurance | 42.0% |
| No insurance | 4.0% |
| Uninsured under 19 | 3.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 26,284 | 92.5% |
| Spanish | 968 | 3.7% |
| Other Indo-European | 339 | 1.3% |
| Asian & Pacific Islander | 193 | 0.7% |
| Other languages | 198 | 0.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 26,492 | 93.2% |
| Born in same state | 26,131 | 92.0% |
| Born in different state | 20,785 | 73.1% |
| Foreign born | 361 | 1.3% |
| Naturalized citizen | 1,925 | 6.8% |
| Not a US citizen | 874 | 45.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 1,387 | 4.9% |
| Italian | 1,066 | 3.8% |
| French | 832 | 2.9% |
| Irish | 89 | 0.3% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 79 | 0.3% |
| Norwegian | 27 | 0.1% |
| German | 18 | 0.1% |
| English | 17 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.1% |
| Internet access | 93.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21239
What city is ZIP code 21239 in?
ZIP code 21239 is primarily assigned to Baltimore, Maryland.
What county is ZIP code 21239 in?
ZIP code 21239 falls within Baltimore City County, Maryland.
What is the typical home value in ZIP code 21239?
The median home value in ZIP code 21239 is $176,300.
What is the population of ZIP code 21239?
ZIP code 21239 has an estimated population of 28,417 residents, with a density of 9,695 people per square mile.
What is the median household income in ZIP code 21239?
The median household income in ZIP code 21239 is $62,547, below the national median of ~$75,000.
What timezone is ZIP code 21239 in?
ZIP code 21239 observes the EST timezone.