ZIP code 21783

Where is ZIP code 21783?

Smithsburg, Maryland

Washington County · Standard ZIP code

ZIP code 21783 belongs to Smithsburg, Maryland in Washington County. 21783 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 223, 227, 240, 301 and 717. About 9,910 people live in the 21783 area, where the median household income is $100,750. The closest ZIP codes are 21720 (Cavetown, 0.7 mi west), 21721 (Chewsville, 3.6 mi west) and 21719 (Cascade, 5.2 mi northeast).

ZIP code21783
TypeStandard ZIP code for street addresses and PO Boxes
StatusActive
CitySmithsburg
StateMaryland (MD)
CountyWashington County
Time zoneEastern Time · now
Area codes223, 227, 240, 301, 717
Coordinates39.647, -77.5706 map
3-digit prefix217

Population and income in 21783

Population9,910 · higher than 60% of Maryland ZIP codes
People per square mile208 · lower than 64% of Maryland ZIP codes
Median age42.8 years · higher than 55% of Maryland ZIP codes
Men / women51% / 49%
Median household income$100,750 · lower than 54% of Maryland ZIP codes
Income per person$46,122
Below the poverty line7.3%
Bachelor’s degree or higher23% of adults 25+
Median home value$339,800 · lower than 69% of Maryland ZIP codes
Median rent$1,070 a month
Housing units3,972
Households3,632 (2.7 people on average)
Owners / renters82% / 18%
Land area47.6 sq mi (plus 0.07 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21783. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 21783

ZIP codeCityDistanceType
21720Cavetown, MD0.7 mi WPO Box only
21721Chewsville, MD3.6 mi WPO Box only
21719Cascade, MD5.2 mi NEStandard
21780Sabillasville, MD5.9 mi NEStandard
21742Hagerstown, MD6.5 mi WStandard
17250Rouzerville, PA6.6 mi NPO Box only
21734Funkstown, MD7.6 mi WPO Box only
21741Hagerstown, MD8 mi WPO Box only
21747Hagerstown, MD8 mi WPO Box only
21749Hagerstown, MD8 mi WUnique
17268Waynesboro, PA8.1 mi NStandard
21773Myersville, MD8.3 mi SStandard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21783 or measure the distance to another ZIP code.

How to address mail to 21783

JANE SMITH
123 MAIN ST

SMITHSBURG MD 21783

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21783-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 21783?
21783 is a Smithsburg, Maryland ZIP code.
What county is 21783 in?
ZIP code 21783 is in Washington County, Maryland.
What time zone is ZIP code 21783 in?
21783 is in the Eastern Time zone (America/New_York).
What area code is 21783?
Phone numbers in ZIP code 21783 use area codes 223, 227, 240, 301 and 717.
What is the population of ZIP code 21783?
About 9,910 people live in ZIP code 21783, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 21783?
The median household income in 21783 is $100,750 a year, lower than 54% of Maryland ZIP codes.
What ZIP codes are near 21783?
The nearest ZIP codes to 21783 are 21720 (Cavetown, 0.7 miles), 21721 (Chewsville, 3.6 miles), 21719 (Cascade, 5.2 miles) and 21780 (Sabillasville, 5.9 miles).