21162 ZIP Code — White Marsh, MD
Baltimore County, Maryland
ZIP code 21162 is located in White Marsh, Maryland, within Baltimore County. It covers approximately 7.13 square miles and serves a population of 4,322 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410/667.
About ZIP code 21162
The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $442,000. Owner-occupancy is high at 89%, well above the national average.
Median household income is $138,654. The poverty rate of 4% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
4,322
population
7.13
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21162 ZIP code map
Cities in ZIP code 21162
Below are the cities the US Postal Service accepts for ZIP code 21162. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| White Marsh | Preferred |
Nearby ZIP codes
21128 Perry Hall (2.6 mi)
21156 Upper Falls (3.2 mi)
21220 Middle River (3.5 mi)
21087 Kingsville (4.1 mi)
21085 Joppa (4.7 mi)
21236 Nottingham (4.8 mi)
21010 Gunpowder (5.7 mi)
21237 Rosedale (6.2 mi)
21040 Edgewood (6.4 mi)
21051 Fork (6.7 mi)
21057 Glen Arm (6.8 mi)
21221 Essex (6.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 4,322 |
| Population density | 606 / sq mi |
| State FIPS | 24 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 7.13 sq mi |
| Water area | 0.90 sq mi |
| Latitude | 39.3903 |
| Longitude | -76.3990 |
| Timezone | Eastern (ET) |
| Area code | 443/410/667 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 21.2% | 31.4% | 28.2% |
| $50k – $100k | 21.2% | 30.7% | 28.2% |
| $100k – $200k | 43.3% | 28.5% | 30.1% |
| Over $200k | 14.2% | 9.5% | 13.4% |
Demographics & statistics
4,322
Population
606
People per sq mi
37.6
Median age
$138,654
Median household income
$51,724
Per capita income
$442,000
Median home value
$1,122
Median monthly rent
88.7%
Home ownership
4.3%
Poverty rate
3.3%
Unemployment
1,419
Housing units
39.7%
Bachelor's or higher
Age distribution
Male
Female
113
Under 5
108
149
5–9
141
194
10–14
183
129
15–19
122
129
20–24
123
275
25–34
260
337
35–44
319
370
45–54
351
233
55–59
220
62
60–64
58
125
65–74
118
61
75–84
58
43
85+
41
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,046 | 24.2% |
| 18 and over | 3,276 | 75.8% |
| 65 and over | 446 | 10.3% |
| Median age | 37.6 years | |
Race & ethnicity
White
72.4%
Black or African American
13.6%
Two or more races
5.4%
Hispanic or Latino
5%
Asian
2.4%
Other race
1.2%
| Group | Count | % |
|---|---|---|
| White | 3,295 | 72.4% |
| Black or African American | 619 | 13.6% |
| Two or more races | 246 | 5.4% |
| Hispanic or Latino | 228 | 5% |
| Asian | 108 | 2.4% |
| Other race | 54 | 1.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 21.2% | 31.4% | 28.2% |
| $50k – $100k | 21.2% | 30.7% | 28.2% |
| $100k – $200k | 43.3% | 28.5% | 30.1% |
| Over $200k | 14.2% | 9.5% | 13.4% |
Under $10k
2.3%
$15k–$25k
2.5%
$25k–$35k
3.5%
$35k–$50k
3.8%
$50k–$75k
7.5%
$75k–$100k
11.1%
$100k–$150k
20.3%
$150k–$200k
18.8%
$200k+
30.2%
| Range | % of households |
|---|---|
| Under $10k | 2.3% |
| $15k–$25k | 2.5% |
| $25k–$35k | 3.5% |
| $35k–$50k | 3.8% |
| $50k–$75k | 7.5% |
| $75k–$100k | 11.1% |
| $100k–$150k | 20.3% |
| $150k–$200k | 18.8% |
| $200k+ | 30.2% |
| Median income | $138,654 |
Housing
Home values
Under $50k
2.0%
$50k–$100k
1.3%
$150k–$200k
0.9%
$200k–$300k
9.9%
$300k–$500k
60.2%
$500k–$1M
25.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $442,000 |
| Median rent / month | $1,122 |
| Owner occupied | 88.7% |
| Renter occupied | 11.3% |
| Vacant | 9.6% |
| Single-family detached | 92.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 7.0% |
| Median rooms | 7.4 |
| Avg household size (owned) | 3.06 |
Year built
| Era | % |
|---|---|
| 2020 or later | 2.2% |
| 2010–2019 | 23.1% |
| 2000–2009 | 21.6% |
| 1990–1999 | 6.1% |
| 1980–1989 | 2.2% |
| 1970–1979 | 2.9% |
| 1960–1969 | 11.4% |
| 1950–1959 | 17.2% |
| 1940–1949 | 11.2% |
| 1939 or earlier | 2.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 4.2% |
| 2 bedrooms | 11.6% |
| 3 bedrooms | 40.7% |
| 4 bedrooms | 34.1% |
| 5+ bedrooms | 9.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.5% |
| 1 vehicle | 14.7% |
| 2 vehicles | 43.0% |
| 3 or more | 38.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 36.7% |
| Electricity | 21.5% |
| Propane / LP gas | 5.1% |
| Fuel oil | 27.4% |
| Wood | 4.6% |
| Solar | 0.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,019 | 71.3% |
| Cohabiting couple | 42 | 2.9% |
| Male householder, no spouse | 210 | 14.7% |
| Female householder, no spouse | 159 | 11.1% |
| Households with children under 18 | 556 | 38.9% |
| Households with seniors (65+) | 326 | 22.8% |
| Average household size | 3.00 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.2% | 26.4% |
| Married | 61.9% | 60.0% |
| Separated | 0.0% | 1.5% |
| Widowed | 4.4% | 6.8% |
| Divorced | 4.5% | 5.4% |
Education
Less than 9th grade
2.8%
Some HS, no diploma
2.7%
HS graduate
20.6%
Some college, no degree
20.7%
Associate's degree
13.4%
Bachelor's degree
21.4%
Graduate / professional
18.4%
| Metric | % |
|---|---|
| HS diploma or higher | 94.5% |
| Bachelor's or higher | 39.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 60 | 5.1% |
| Kindergarten | 59 | 5.1% |
| Elementary school | 603 | 51.6% |
| High school | 199 | 17.0% |
| College / grad school | 247 | 21.1% |
Employment
Industry of employment
Education & healthcare
20.5%
Professional & management
19.6%
Construction
10.8%
Arts, food & hospitality
10.5%
Other services
9.2%
Retail trade
6.8%
Transportation & utilities
5.1%
Public administration
5.0%
Finance & real estate
3.5%
Manufacturing
3.2%
Wholesale trade
3.1%
Agriculture & mining
1.3%
Information
1.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 50.6% |
| Service | 19.7% |
| Sales & office | 15.8% |
| Natural resources & construction | 11.0% |
| Production & transportation | 2.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.0% |
| Government | 12.3% |
| Self-employed | 7.7% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.5% |
| Carpool | 4.3% |
| Public transit | 0.0% |
| Walk | 3.6% |
| Work from home | 10.6% |
| Other means | 0.0% |
| Avg commute (minutes) | 32.0 |
Poverty
All people
4.3%
Under 18 years
4.4%
18 and over
4.3%
Married-couple families
0.0%
Female-led households
19.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 23.4% |
| Retirement income | 19.3% |
| Supplemental Security | 1.2% |
| Cash public assistance | 2.2% |
| Food stamps / SNAP | 4.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.0% |
| High blood pressure | 32.8% |
| High cholesterol | 34.0% |
| Diabetes | 8.4% |
| Heart disease | 5.7% |
| Stroke | 2.6% |
| Asthma | 9.3% |
| Arthritis | 24.9% |
| Kidney disease | 2.6% |
| Pulmonary disease | 5.4% |
| Cancer | 7.3% |
| Behavior / access | % |
|---|---|
| Smoking | 13.8% |
| Binge drinking | 15.6% |
| No physical activity | 20.2% |
| Less than 7 hrs sleep | 30.7% |
| Depression | 19.1% |
| Fair or poor health | 11.1% |
| Poor mental health | 13.8% |
| Poor physical health | 7.9% |
| No health insurance | 8.8% |
| Visited doctor (checkup) | 75.8% |
| Visited dentist | 68.5% |
| Cholesterol screening | 93.0% |
| Teeth loss | 9.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 183 | 5.6% |
| Disability | % |
|---|---|
| Any disability | 7.0% |
| Under 18 | 5.1% |
| 18–64 years | 5.0% |
| 65 and over | 24.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 85.9% |
| Public insurance | 18.7% |
| No insurance | 3.2% |
| Uninsured under 19 | 0.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,101 | 94.9% |
| Spanish | 97 | 2.4% |
| Other Indo-European | 61 | 1.5% |
| Asian & Pacific Islander | 23 | 0.6% |
| Other languages | 7 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 4,066 | 94.1% |
| Born in same state | 4,042 | 93.5% |
| Born in different state | 3,356 | 77.6% |
| Foreign born | 24 | 0.6% |
| Naturalized citizen | 256 | 5.9% |
| Not a US citizen | 111 | 43.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 883 | 20.4% |
| French | 481 | 11.1% |
| Arab | 230 | 5.3% |
| Ancestry | Count | % |
|---|---|---|
| English | 33 | 0.8% |
| German | 11 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 33.1% |
| Internet access | 92.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21162
What city is ZIP code 21162 in?
ZIP code 21162 is primarily assigned to White Marsh, Maryland.
What county is ZIP code 21162 in?
ZIP code 21162 falls within Baltimore County, Maryland.
Is ZIP code 21162 mostly owner-occupied?
89% of occupied units in ZIP code 21162 are owner-occupied, well above the national average.
What is the median household income in ZIP code 21162?
The median household income in ZIP code 21162 is $138,654, above the national median of ~$75,000.
What is the typical home value in ZIP code 21162?
The median home value in ZIP code 21162 is $442,000.
What is the population of ZIP code 21162?
ZIP code 21162 has an estimated population of 4,322 residents, with a density of 606 people per square mile.
What timezone is ZIP code 21162 in?
ZIP code 21162 observes the EST timezone.