21742 ZIP Code — Hagerstown, MD

Washington County, Maryland

ZIP code 21742 is located in Hagerstown, Maryland, within Washington County. It covers approximately 46.50 square miles and serves a population of 34,549 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 21742

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $268,300. Owner-occupancy sits near the national average at 67%.

Median household income is $80,306. 36% 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 30% of residents holding a bachelor's degree or higher.

34,549
population
46.50
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21742 ZIP code map
Cities in ZIP code 21742

Below are the cities the US Postal Service accepts for ZIP code 21742. Using any city not on this list may result in mail delivery delays.

City Status
Hagerstown Acceptable
Hagerstown Preferred
Nearby ZIP codes
21746 Hagerstown (3.3 mi) 21749 Hagerstown (3.5 mi) 21740 Hagerstown (3.7 mi) 21783 Smithsburg (4.3 mi) 21767 Maugansville (5.8 mi) 21719 Cascade (9 mi) 21773 Myersville (9.3 mi) 21733 Fairplay (9.3 mi) 21713 Boonsboro (9.6 mi) 21780 Sabillasville (10.1 mi) 21795 Williamsport (10.2 mi) 17268 Waynesboro (10.4 mi)
Demographics updated 05/2026
Population
Total population 34,549
Population density 743 / sq mi
State FIPS 24
County FIPS 043
Geography
Land area 46.50 sq mi
Water area 0.03 sq mi
Latitude 39.6542
Longitude -77.6546
Timezone Eastern (ET)
Area code 240/301
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 34.5% 40.3% 28.2%
$50k – $100k 34.1% 30.7% 28.2%
$100k – $200k 22.3% 23.5% 30.1%
Over $200k 9.0% 5.6% 13.4%

Demographics & statistics

34,549
Population
743
People per sq mi
41.0
Median age
$80,306
Median household income
$40,571
Per capita income
$268,300
Median home value
$1,195
Median monthly rent
67.0%
Home ownership
11.4%
Poverty rate
4.7%
Unemployment
9,661
Housing units
29.8%
Bachelor's or higher

Age distribution

Male Female
1,170
Under 5
1,230
1,227
5–9
1,288
899
10–14
944
1,115
15–19
1,172
869
20–24
913
2,165
25–34
2,274
1,896
35–44
1,992
2,054
45–54
2,157
994
55–59
1,045
1,153
60–64
1,212
1,805
65–74
1,895
1,081
75–84
1,135
421
85+
443
← Male
Female →

Age summary

GroupCount%
Under 188,19023.7%
18 and over26,35976.3%
65 and over6,78019.6%
Median age41.0 years

Race & ethnicity

White 71.7%
Black or African American 10.1%
Two or more races 8.9%
Hispanic or Latino 4.6%
Asian 2.7%
Other race 1.8%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White25,98471.7%
Black or African American3,64910.1%
Two or more races3,2168.9%
Hispanic or Latino1,6824.6%
Asian9752.7%
Other race6611.8%
American Indian / Alaska Native320.1%
Native Hawaiian / Pacific Islander320.1%

Household income

Income range This ZIP County avg State avg
Under $50k 34.5% 40.3% 28.2%
$50k – $100k 34.1% 30.7% 28.2%
$100k – $200k 22.3% 23.5% 30.1%
Over $200k 9.0% 5.6% 13.4%
Under $10k 5.4%
$10k–$15k 1.9%
$15k–$25k 6.2%
$25k–$35k 6.1%
$35k–$50k 10.8%
$50k–$75k 16.8%
$75k–$100k 15.2%
$100k–$150k 17.8%
$150k–$200k 8.9%
$200k+ 10.9%
Range% of households
Under $10k5.4%
$10k–$15k1.9%
$15k–$25k6.2%
$25k–$35k6.1%
$35k–$50k10.8%
$50k–$75k16.8%
$75k–$100k15.2%
$100k–$150k17.8%
$150k–$200k8.9%
$200k+10.9%
Median income$80,306

Housing

Home values

Under $50k 4.4%
$50k–$100k 1.4%
$100k–$150k 6.7%
$150k–$200k 15.4%
$200k–$300k 32.6%
$300k–$500k 29.6%
$500k–$1M 8.5%
$1M+ 1.4%

Housing overview

MetricValue
Median home value$268,300
Median rent / month$1,195
Owner occupied67.0%
Renter occupied33.0%
Vacant5.6%
Single-family detached56.8%
Large apartment buildings5.1%
Mobile homes2.6%
Median rooms6.2
Avg household size (owned)2.66

Year built

Era%
2020 or later0.3%
2010–20196.1%
2000–200916.7%
1990–199917.4%
1980–198910.3%
1970–19799.1%
1960–19698.9%
1950–195912.4%
1940–19496.9%
1939 or earlier11.9%

Bedrooms

Size% of units
No bedroom (studio)0.2%
1 bedroom5.6%
2 bedrooms25.9%
3 bedrooms44.4%
4 bedrooms18.1%
5+ bedrooms5.8%

Vehicles per household

Vehicles% of households
No vehicle5.8%
1 vehicle31.3%
2 vehicles36.9%
3 or more26.0%

Heating fuel

Fuel type%
Utility gas31.1%
Electricity45.6%
Propane / LP gas3.6%
Fuel oil16.4%
Wood2.6%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family6,64650.2%
Cohabiting couple1,0978.3%
Male householder, no spouse1,96914.9%
Female householder, no spouse3,53426.7%
Households with children under 184,32732.7%
Households with seniors (65+)4,73835.8%
Average household size2.58

Marital status

StatusMaleFemale
Never married32.5%25.3%
Married53.0%49.5%
Separated3.5%2.2%
Widowed3.1%8.8%
Divorced7.9%14.2%

Education

Less than 9th grade 2.6%
Some HS, no diploma 6.8%
HS graduate 29.2%
Some college, no degree 22.4%
Associate's degree 9.2%
Bachelor's degree 17.6%
Graduate / professional 12.2%
Metric%
HS diploma or higher90.6%
Bachelor's or higher29.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool6087.5%
Kindergarten4806.0%
Elementary school3,55044.1%
High school1,72521.4%
College / grad school1,69421.0%

Employment

Industry of employment

Education & healthcare 22.0%
Professional & management 12.3%
Retail trade 11.5%
Arts, food & hospitality 9.2%
Construction 8.3%
Transportation & utilities 8.1%
Finance & real estate 6.4%
Manufacturing 6.1%
Public administration 6.0%
Other services 4.8%
Wholesale trade 2.7%
Information 1.5%
Agriculture & mining 0.9%

Occupation

Category%
Management, business & arts43.1%
Service16.4%
Sales & office21.6%
Natural resources & construction6.6%
Production & transportation12.4%

Employment type

Type%
Private sector80.5%
Government14.2%
Self-employed4.7%
Unpaid family workers0.6%

Commute

Method%
Drive alone76.1%
Carpool9.3%
Public transit0.7%
Walk1.9%
Work from home10.9%
Other means1.1%
Avg commute (minutes)26.9

Poverty

All people 11.4%
Under 18 years 15.6%
18 and over 10.2%
Married-couple families 3.9%
Female-led households 29.3%

Income support

Source% of households
Social Security35.9%
Retirement income28.3%
Supplemental Security3.6%
Cash public assistance3.6%
Food stamps / SNAP14.7%

Health indicators

Condition%
Obesity34.0%
High blood pressure35.7%
High cholesterol34.7%
Diabetes10.1%
Heart disease6.4%
Stroke2.9%
Asthma10.3%
Arthritis27.1%
Kidney disease2.8%
Pulmonary disease6.5%
Cancer7.4%
Behavior / access%
Smoking16.5%
Binge drinking14.3%
No physical activity24.2%
Less than 7 hrs sleep32.8%
Depression19.7%
Fair or poor health12.1%
Poor mental health13.8%
Poor physical health9.0%
No health insurance10.2%
Visited doctor (checkup)77.9%
Visited dentist66.4%
Cholesterol screening91.9%
Teeth loss12.0%

Veterans & disability

VeteransCount%
Civilian veterans2,1468.2%
Disability%
Any disability15.8%
Under 189.1%
18–64 years13.1%
65 and over32.1%

Health insurance coverage

Type%
Private insurance69.4%
Public insurance42.5%
No insurance6.2%
Uninsured under 194.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only32,14993.1%
Spanish9593.0%
Other Indo-European7452.3%
Asian & Pacific Islander1270.4%
Other languages420.1%

Place of birth & citizenship

OriginCount%
Native born (US)31,89292.3%
Born in same state31,26890.5%
Born in different state20,07058.1%
Foreign born6241.8%
Naturalized citizen2,6577.7%
Not a US citizen1,33050.1%

Ancestry

AncestryCount%
French4,91714.2%
Italian3,94611.4%
Arab1,5714.5%
Polish1670.5%
AncestryCount%
English1590.5%
Irish950.3%
German270.1%
Dutch160%

Technology access

Metric% of households
Computer access38.3%
Internet access93.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 21742

What city is ZIP code 21742 in?

ZIP code 21742 is primarily assigned to Hagerstown, Maryland.

What county is ZIP code 21742 in?

ZIP code 21742 falls within Washington County, Maryland.

Does ZIP code 21742 have a large retiree population?

36% of households in ZIP code 21742 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 21742?

ZIP code 21742 has an estimated population of 34,549 residents, with a density of 743 people per square mile.

What is the typical home value in ZIP code 21742?

The median home value in ZIP code 21742 is $268,300.

What is the median household income in ZIP code 21742?

The median household income in ZIP code 21742 is $80,306, above the national median of ~$75,000.

What timezone is ZIP code 21742 in?

ZIP code 21742 observes the EST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →