21227 ZIP Code — Halethorpe, MD
Baltimore County, Maryland
ZIP code 21227 is located in Halethorpe, Maryland, within Baltimore County. It covers approximately 11.33 square miles and serves a population of 35,052 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 410/443.
About ZIP code 21227
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 $259,600. Owner-occupancy sits near the national average at 66%.
Median household income is $78,626.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
35,052
population
11.33
sq mi land
PO Box
ZIP type
Eastern (ET)
timezone
21227 ZIP code map
Cities in ZIP code 21227
Below are the cities the US Postal Service accepts for ZIP code 21227. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Halethorpe | Acceptable |
| Halethorpe | Acceptable |
| Halethorpe | Preferred |
Nearby ZIP codes
21250 Baltimore (2.1 mi)
21090 Linthicum Heights (2.4 mi)
21223 Baltimore (3 mi)
21229 Baltimore (3 mi)
21225 Brooklyn (3.1 mi)
21230 Baltimore (3.1 mi)
21228 Catonsville (4.3 mi)
21201 Baltimore (4.5 mi)
21240 Baltimore (4.6 mi)
21240 Baltimore (4.6 mi)
21233 Baltimore (4.7 mi)
21241 Baltimore (4.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 35,052 |
| Population density | 3,094 / sq mi |
| State FIPS | 24 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 11.33 sq mi |
| Water area | 0.21 sq mi |
| Latitude | 39.2412 |
| Longitude | -76.6718 |
| Timezone | Eastern (ET) |
| Area code | 410/443 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.6% | 31.4% | 28.2% |
| $50k – $100k | 27.2% | 30.7% | 28.2% |
| $100k – $200k | 27.1% | 28.5% | 30.1% |
| Over $200k | 5.1% | 9.5% | 13.4% |
Demographics & statistics
35,052
Population
3,094
People per sq mi
37.2
Median age
$78,626
Median household income
$39,218
Per capita income
$259,600
Median home value
$1,266
Median monthly rent
66.3%
Home ownership
15.4%
Poverty rate
4.8%
Unemployment
9,626
Housing units
26.9%
Bachelor's or higher
Age distribution
Male
Female
1,345
Under 5
1,316
1,026
5–9
1,004
863
10–14
845
906
15–19
887
1,083
20–24
1,060
2,890
25–34
2,827
2,668
35–44
2,610
1,800
45–54
1,762
1,224
55–59
1,198
1,240
60–64
1,213
1,717
65–74
1,681
627
75–84
613
327
85+
320
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 7,406 | 21.1% |
| 18 and over | 27,646 | 78.9% |
| 65 and over | 5,285 | 15.1% |
| Median age | 37.2 years | |
Race & ethnicity
White
59.2%
Black or African American
16.6%
Hispanic or Latino
8.4%
Other race
6.7%
Two or more races
4.8%
Asian
4.2%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 22,649 | 59.2% |
| Black or African American | 6,359 | 16.6% |
| Hispanic or Latino | 3,212 | 8.4% |
| Other race | 2,557 | 6.7% |
| Two or more races | 1,819 | 4.8% |
| Asian | 1,621 | 4.2% |
| American Indian / Alaska Native | 47 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.6% | 31.4% | 28.2% |
| $50k – $100k | 27.2% | 30.7% | 28.2% |
| $100k – $200k | 27.1% | 28.5% | 30.1% |
| Over $200k | 5.1% | 9.5% | 13.4% |
Under $10k
8.3%
$10k–$15k
4.3%
$15k–$25k
6.0%
$25k–$35k
8.4%
$35k–$50k
8.6%
$50k–$75k
12.4%
$75k–$100k
12.5%
$100k–$150k
16.7%
$150k–$200k
12.4%
$200k+
10.4%
| Range | % of households |
|---|---|
| Under $10k | 8.3% |
| $10k–$15k | 4.3% |
| $15k–$25k | 6.0% |
| $25k–$35k | 8.4% |
| $35k–$50k | 8.6% |
| $50k–$75k | 12.4% |
| $75k–$100k | 12.5% |
| $100k–$150k | 16.7% |
| $150k–$200k | 12.4% |
| $200k+ | 10.4% |
| Median income | $78,626 |
Housing
Home values
Under $50k
4.1%
$50k–$100k
2.1%
$100k–$150k
5.8%
$150k–$200k
15.0%
$200k–$300k
43.7%
$300k–$500k
26.5%
$500k–$1M
2.3%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $259,600 |
| Median rent / month | $1,266 |
| Owner occupied | 66.3% |
| Renter occupied | 33.7% |
| Vacant | 3.4% |
| Single-family detached | 46.1% |
| Large apartment buildings | 5.4% |
| Mobile homes | 0.1% |
| Median rooms | 5.9 |
| Avg household size (owned) | 2.57 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 1.6% |
| 2000–2009 | 3.4% |
| 1990–1999 | 6.8% |
| 1980–1989 | 6.8% |
| 1970–1979 | 7.5% |
| 1960–1969 | 13.4% |
| 1950–1959 | 31.2% |
| 1940–1949 | 10.7% |
| 1939 or earlier | 18.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.4% |
| 1 bedroom | 10.8% |
| 2 bedrooms | 23.9% |
| 3 bedrooms | 47.2% |
| 4 bedrooms | 13.8% |
| 5+ bedrooms | 2.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 10.5% |
| 1 vehicle | 37.7% |
| 2 vehicles | 35.2% |
| 3 or more | 16.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 62.9% |
| Electricity | 29.4% |
| Propane / LP gas | 0.9% |
| Fuel oil | 5.9% |
| Solar | 0.1% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,624 | 40.8% |
| Cohabiting couple | 948 | 6.9% |
| Male householder, no spouse | 3,087 | 22.4% |
| Female householder, no spouse | 4,115 | 29.9% |
| Households with children under 18 | 3,985 | 28.9% |
| Households with seniors (65+) | 4,066 | 29.5% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 41.2% | 33.8% |
| Married | 42.5% | 44.8% |
| Separated | 1.0% | 2.1% |
| Widowed | 2.4% | 8.4% |
| Divorced | 12.9% | 11.0% |
Education
Less than 9th grade
7.0%
Some HS, no diploma
7.4%
HS graduate
33.1%
Some college, no degree
18.9%
Associate's degree
6.6%
Bachelor's degree
16.0%
Graduate / professional
10.9%
| Metric | % |
|---|---|
| HS diploma or higher | 85.6% |
| Bachelor's or higher | 26.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 672 | 8.9% |
| Kindergarten | 247 | 3.3% |
| Elementary school | 3,079 | 40.6% |
| High school | 1,232 | 16.2% |
| College / grad school | 2,354 | 31.0% |
Employment
Industry of employment
Education & healthcare
21.1%
Professional & management
12.0%
Retail trade
11.4%
Construction
9.3%
Public administration
8.2%
Arts, food & hospitality
8.1%
Manufacturing
7.2%
Transportation & utilities
7.1%
Finance & real estate
6.6%
Other services
4.7%
Wholesale trade
2.7%
Information
1.5%
Agriculture & mining
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 39.4% |
| Service | 17.6% |
| Sales & office | 20.7% |
| Natural resources & construction | 10.3% |
| Production & transportation | 11.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.0% |
| Government | 19.0% |
| Self-employed | 3.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.5% |
| Carpool | 9.9% |
| Public transit | 1.9% |
| Walk | 1.8% |
| Work from home | 9.2% |
| Other means | 1.6% |
| Avg commute (minutes) | 25.1 |
Poverty
All people
15.4%
Under 18 years
17.6%
18 and over
14.8%
Married-couple families
9.4%
Female-led households
21.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.7% |
| Retirement income | 20.9% |
| Supplemental Security | 5.4% |
| Cash public assistance | 2.6% |
| Food stamps / SNAP | 14.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.6% |
| High blood pressure | 32.8% |
| High cholesterol | 32.0% |
| Diabetes | 8.9% |
| Heart disease | 5.7% |
| Stroke | 2.9% |
| Asthma | 10.3% |
| Arthritis | 24.3% |
| Kidney disease | 2.7% |
| Pulmonary disease | 6.4% |
| Cancer | 6.3% |
| Behavior / access | % |
|---|---|
| Smoking | 17.8% |
| Binge drinking | 16.0% |
| No physical activity | 24.9% |
| Less than 7 hrs sleep | 33.5% |
| Depression | 20.7% |
| Fair or poor health | 14.4% |
| Poor mental health | 16.2% |
| Poor physical health | 9.3% |
| No health insurance | 12.8% |
| Visited doctor (checkup) | 74.7% |
| Visited dentist | 60.1% |
| Cholesterol screening | 90.0% |
| Teeth loss | 13.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,179 | 7.9% |
| Disability | % |
|---|---|
| Any disability | 13.9% |
| Under 18 | 3.1% |
| 18–64 years | 11.5% |
| 65 and over | 39.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 67.0% |
| Public insurance | 38.2% |
| No insurance | 7.6% |
| Uninsured under 19 | 1.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 32,391 | 92.4% |
| Spanish | 2,219 | 6.9% |
| Other Indo-European | 1,020 | 3.1% |
| Asian & Pacific Islander | 217 | 0.7% |
| Other languages | 700 | 2.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 31,070 | 88.6% |
| Born in same state | 30,861 | 88.0% |
| Born in different state | 24,867 | 70.9% |
| Foreign born | 209 | 0.6% |
| Naturalized citizen | 3,982 | 11.4% |
| Not a US citizen | 1,679 | 42.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 5,104 | 14.6% |
| French | 2,961 | 8.4% |
| Arab | 1,644 | 4.7% |
| German | 186 | 0.5% |
| English | 185 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 176 | 0.5% |
| Polish | 78 | 0.2% |
| Dutch | 68 | 0.2% |
| Irish | 66 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.3% |
| Internet access | 91.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21227
What city is ZIP code 21227 in?
ZIP code 21227 is primarily assigned to Halethorpe, Maryland.
What county is ZIP code 21227 in?
ZIP code 21227 falls within Baltimore County, Maryland.
What is the poverty rate in ZIP code 21227?
15% of residents in ZIP code 21227 live below the poverty line, above the national average.
What is the population of ZIP code 21227?
ZIP code 21227 has an estimated population of 35,052 residents, with a density of 3,093 people per square mile.
What is the median household income in ZIP code 21227?
The median household income in ZIP code 21227 is $78,626, above the national median of ~$75,000.
What is the typical home value in ZIP code 21227?
The median home value in ZIP code 21227 is $259,600.
What timezone is ZIP code 21227 in?
ZIP code 21227 observes the EST timezone.