Postal Codes

21783 ZIP Code

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ZIP code 21783 covers Smithsburg, Maryland, with a population of about 9,881 and a median household income of $96,055.

Population
9,881208 per square mile
Median age
42.13.4 points above the US average
Median household income
$96,0556% below the Maryland median
Poverty rate
8%4.4 points below the US average
Typical home value
$376,569up 22.1% in five years
Median rent
$1,06036% below the Maryland median
Degree or higher
21.3%13.7 points below the US average
Homeownership
78.1%13.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
129

Where 21783 is

Smithsburg, Maryland — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population9,881
Median age42.1
Family households76.7%
Born outside the US2.1%
Speaks a language other than English at home3.4%
White (non-Hispanic)93.3%
Black (non-Hispanic)1.6%
Asian (non-Hispanic)0.7%
Hispanic or Latino2%
Veterans6.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$96,055
Income per person$44,428
Poverty rate8%
Households on SNAP or cash assistance8%

Household income distribution

Under $10k2.3%
$10–15k2.2%
$15–20k1.4%
$20–25k2.4%
$25–30k1.7%
$30–35k1.3%
$35–40k3.7%
$40–45k2.2%
$45–50k2.8%
$50–60k5.4%
$60–75k9.6%
$75–100k16.9%
$100–125k13.6%
$125–150k8.8%
$150–200k11.5%
$200k or more14.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,440
Mean adjusted gross income$79,838
Returns declaring $200,000 or more5.2%
Returns, under $25k24.3%
Returns, $25k–$50k20.3%
Returns, $50k–$75k15.1%
Returns, $75k–$100k11.9%
Returns, $100k–$200k23.2%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$330,100
Median gross rent$1,060
Rent as a share of household income24.5%
Owner-occupied78.1%
Vacant homes7.5%
Median year built1976

What the homes are

Detached house85.5%
Attached house7.6%
2 to 4 units2.8%
5 to 19 units2.4%
Mobile home1.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$376,569as of 2026-07
Typical home value, 1 yearup 1.8%
Typical home value, 5 yearsup 22.1%
Typical home value, 10 yearsup 68.6%
Typical home value since 2000
200020132026$376,569$138,297

$138,297 in 2000 to $376,569 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.1%
Bachelor's degree or higher21.3%
High school diploma or higher90.5%
Works from home10.5%
Drives to work alone80.4%
Takes public transport0.3%
Commutes 45 minutes or more20.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.2% 3.8 pts above the national average of 33.4%
Diagnosed diabetes12.3% same as the national average of 12%
Currently smokes14.3% 1.1 pts above the national average of 13.2%
High blood pressure37.3% 3.2 pts above the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)7.6% 3.7 pts below the national average of 11.3%
Depression24% 2.1 pts above the national average of 21.9%
No leisure-time physical activity26.6% 1.2 pts above the national average of 25.4%
Arthritis31% 5.9 pts above the national average of 25.1%
Binge drinking14.6% 1.4 pts below the national average of 16%
Taking blood pressure medication77% 2.3 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma10.7% same as the national average of 10.4%
Coronary heart disease7% 0.8 pts above the national average of 6.2%
Routine check-up in past year79.1% 2.4 pts above the national average of 76.7%
Cholesterol screening88.2% 2.3 pts above the national average of 85.9%
Cognitive disability14.3% 0.5 pts below the national average of 14.8%
Colorectal screening65.3% 1 pts above the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist61.9% 0.6 pts above the national average of 61.3%
Any disability30.3% same as the national average of 30.7%
Lacks emotional support23% 1.8 pts below the national average of 24.8%
Food insecurity12.3% 4.8 pts below the national average of 17.1%
Received food stamps10.3% 4 pts below the national average of 14.3%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol37% 0.8 pts above the national average of 36.2%
Housing insecurity10.7% 3.1 pts below the national average of 13.8%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness33.6% 0.8 pts below the national average of 34.4%
Mammography use76.3% same as the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability13.4% 0.6 pts below the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat7.1% 1.7 pts below the national average of 8.8%
Sleeps under 7 hours38.5% 2.1 pts above the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost11.1% 1.9 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments129
People employed1,068
Annual payroll$46,792,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 22.9% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss24.6 out of 100
Community resilience64 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought91.1Relatively Moderate at its worst in this ZIP code
Landslide82.5Relatively Low at its worst in this ZIP code
Hurricane73.5Relatively Moderate at its worst in this ZIP code
Winter weather69.6Relatively Moderate at its worst in this ZIP code
Wildfire68.1Relatively Low at its worst in this ZIP code
Strong wind58.1Relatively Moderate at its worst in this ZIP code
Hail58Relatively Low at its worst in this ZIP code
Lightning53.4Relatively Moderate at its worst in this ZIP code
Heat wave47.7Relatively Moderate at its worst in this ZIP code
Tornado42.6Relatively Low at its worst in this ZIP code
Earthquake38.8Relatively Low at its worst in this ZIP code
River flooding35.9Relatively Moderate at its worst in this ZIP code
Cold wave27.9Relatively Low at its worst in this ZIP code
Avalanche12.1Very Low at its worst in this ZIP code
Ice storm11.9Very Low at its worst in this ZIP code
Compared with Maryland and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMarylandUnited States
Median household income$96,055$101,652$78,538
Income per person$44,428$51,689$43,289
Poverty rate8%9.3%12.4%
Median home value$330,100$397,700$303,400
Median gross rent$1,060$1,662$1,348
Homeownership78.1%67.5%65%
Bachelor's degree or higher21.3%42.7%35%
Unemployment rate2.1%4.9%5.2%
Works from home10.5%17.2%13.5%
Born outside the US2.1%16.3%13.9%
Median age42.139.338.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSMITHSBURG 2NW, MD US2.1 km away

Average high and low by month

January38.6°F / 22.1°F
February42.1°F / 22.4°F
March50.6°F / 29.2°F
April63.4°F / 38.8°F
May72.4°F / 49.2°F
June81.3°F / 58.6°F
July85.7°F / 62.6°F
August83.8°F / 60.9°F
September77°F / 53.7°F
October65.5°F / 42°F
November53°F / 32.4°F
December43.3°F / 25.8°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket30% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Washington County Public Schools72.9% of this ZIP code's land area
Frederick County Public Schools27.1% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability30more vulnerable than 30% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport27more vulnerable than 27% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

21720 Cavetown, MD1.2 km away
21721 Chewsville, MD5.7 km away
21719 Cascade, MD8.4 km away
21780 Sabillasville, MD9.5 km away
21742 Hagerstown, MD10.5 km away
17250 Rouzerville, PA10.7 km away
21734 Funkstown, MD12.2 km away
21741 Hagerstown, MD12.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washington County72.9% of this ZIP code's land area
Frederick County27.1% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area47.6 sq mi
Water area0.07 sq mi
Population density208 people per sq mi
Latitude, longitude39.6470, -77.5706

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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