Zip Code 21742
Hagerstown, Maryland — Washington County
📍 ZIP code 21742 is in Hagerstown, Washington County, Maryland.
ZIP code 21742 is located in Hagerstown, Washington County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 35,114. The area code for ZIP code 21742 is 301.
Quick Answer
Zip code 21742 is in Hagerstown, Maryland (Washington County). It has a population of 35,114, median household income of $80,533, and median home value of $280,100.
Population
35,114
Income
$80,533
Home Value
$280,100
Climate
86°F / 22°F
About Zip Code 21742
Zip code 21742 is located in Hagerstown, Maryland, within Washington County. Home to approximately 35,114 residents, this area sits at an elevation of 540 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $80,533 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $280,100, and the cost of living index is 100 (0% below the national average of 100).
Summers average a high of 86°F while winters drop to 22°F. The area receives about 44 in of rain and 7 in of snow annually. The zip code covers 50.5 square miles of land area.
Key Statistics
35,114
$80,533
$280,100
Eastern (EST/EDT)
301
540 ft
50.5 sq mi
41.3
14,099
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Compare With Nearby Zip Codes
| Metric | 21742 | 21767 | 21783 | 21734 | 21740 | 17268 |
|---|---|---|---|---|---|---|
| City | Hagerstown, MD | Maugansville, MD | Smithsburg, MD | Funkstown, MD | Hagerstown, MD | Waynesboro, PA |
| Population | 35,114 | 914 | 9,881 | 826 | 63,140 | 29,096 |
| Median Income | $80,533 | $44,960 | $96,055 | $58,438 | $59,410 | $69,715 |
| Home Value | $280,100 | $220,100 | $330,100 | $241,900 | $241,600 | $225,900 |
| Cost of Living | 100 | 70 | 116 | 78 | 80 | 80 |
| Median Age | 41.3 | 45.7 | 42.1 | 55.6 | 38.8 | 41 |
Cost of Living
100 = National Average. Hagerstown's cost of living is 0% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.5x
Demographics
Zip code 21742 has a population of 35,114 people with a median age of 41.3. There are 14,099 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Hagerstown (21742) population trend from 2010 to 2024
↓ -21.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
22°F
44 in
7 in
Hagerstown experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 22°F. The area receives about 7 in of snow per year.
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Housing & Economy
Median Home Value
$280,100
Median Household Income
$80,533
With 14,099 housing units across 50.5 square miles, 21742 has a housing density of 279 units per square mile. The home price-to-income ratio is 3.5x.
Location & Geography
Latitude
39.6782°
Longitude
-77.6527°
Land Area
50.5 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 21742 (Hagerstown, MD) with distances:
All Zip Codes in Hagerstown, MD
Other zip codes serving Hagerstown:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 21742's $80,533. A way to compare Hagerstown to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 21742 (Hagerstown, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Hagerstown, Maryland?
Hagerstown, Maryland uses zip code 21742 along with 1 other zip codes.
What county is zip code 21742 in?
Zip code 21742 is located in Washington County, Maryland.
What is the population of zip code 21742?
The population of zip code 21742 is 35,114 with a median age of 41.3.
Is 21742 in Hagerstown, Maryland?
Yes, zip code 21742 is in Hagerstown, Washington County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 21742 in?
Zip code 21742 is in Hagerstown, Maryland. It is part of Washington County and uses the Eastern (EST/EDT) timezone.
What is zip code 21742?
Zip code 21742 is a U.S. postal code in Hagerstown, Maryland (Washington County). It has a population of 35,114 and covers 50.5 square miles.
What is the population of zip code 21742?
The population of zip code 21742 (Hagerstown, MD) is 35,114 with a median age of 41.3. There are approximately 14,099 housing units in this area.
What is the median income in zip code 21742?
The median household income in zip code 21742 (Hagerstown, MD) is $80,533 per year. The cost of living index is 100 (100 = national average).
What is the average home price in zip code 21742?
The median home value in zip code 21742 (Hagerstown, MD) is $280,100. The cost of living index is 100 compared to the national average of 100.
What county is zip code 21742 in?
Zip code 21742 is located in Washington County, Maryland. The primary city is Hagerstown.
What is the area code for zip code 21742?
Zip code 21742 in Hagerstown, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21742 a good place to live?
Zip code 21742 (Hagerstown, MD) has a cost of living index of 100 (100 = national average), a median household income of $80,533, and median home values of $280,100. The median age is 41.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21742?
The cost of living index for zip code 21742 (Hagerstown, MD) is 100, where 100 represents the national average. This area is at the national average. Median home value: $280,100.
What schools serve zip code 21742?
Zip code 21742 in Hagerstown, Maryland is served by the local school district of Washington County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.