21782 ZIP Code — Sharpsburg, MD

Washington County, Maryland

ZIP code 21782 is located in Sharpsburg, Maryland, within Washington County. It covers approximately 29.31 square miles and serves a population of 4,389 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.

About ZIP code 21782

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $278,800. Owner-occupancy is high at 79%, well above the national average.

Median household income is $82,256. The poverty rate of 3% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with construction as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21782 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,389

population

29.31

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21782 ZIP code map

Cities in ZIP code 21782

Below are the cities the US Postal Service accepts for ZIP code 21782. Using any city not on this list may result in mail delivery delays.

City	Status
Sharpsburg	Preferred

Nearby ZIP codes

25443 Shepherdstown (2.3 mi) 21756 Keedysville (3.5 mi) 25442 Shenandoah Junction (6.1 mi) 21713 Boonsboro (6.4 mi) 21779 Rohrersville (6.6 mi) 21733 Fairplay (7 mi) 25404 Martinsburg (7.2 mi) 21718 Burkittsville (8.1 mi) 21758 Knoxville (8.2 mi) 20101 Dulles (8.5 mi) 25438 Ranson (9.8 mi) 21795 Williamsport (10.2 mi)

Demographics updated 06/2026

Population
Total population	4,389
Population density	150 / sq mi
State FIPS	24
County FIPS	043

Geography
Land area	29.31 sq mi
Water area	2.17 sq mi
Latitude	39.4452
Longitude	-77.7697
Timezone	Eastern (ET)
Area code	301/240

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.5%	40.3%	28.2%
$50k – $100k	36.4%	30.7%	28.2%
$100k – $200k	32.9%	23.5%	30.1%
Over $200k	6.2%	5.6%	13.4%

Demographics & statistics

4,389

Population

150

People per sq mi

42.1

Median age

$82,256

Median household income

$40,301

Per capita income

$278,800

Median home value

$1,110

Median monthly rent

79.0%

Home ownership

2.6%

Poverty rate

8.9%

Unemployment

1,426

Housing units

22.8%

Bachelor's or higher

Age distribution

Male Female

125

Under 5

106

145

5–9

123

140

10–14

119

15–19

20–24

371

25–34

315

339

35–44

288

164

45–54

140

270

55–59

229

225

60–64

192

367

65–74

313

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	874	19.9%
18 and over	3,515	80.1%
65 and over	851	19.4%
Median age	42.1 years

Race & ethnicity

White 97.1%

Two or more races 1.5%

Hispanic or Latino 0.5%

Asian 0.4%

Other race 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	4,284	97.1%
Two or more races	68	1.5%
Hispanic or Latino	23	0.5%
Asian	19	0.4%
Other race	14	0.3%
American Indian / Alaska Native	4	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.5%	40.3%	28.2%
$50k – $100k	36.4%	30.7%	28.2%
$100k – $200k	32.9%	23.5%	30.1%
Over $200k	6.2%	5.6%	13.4%

Under $10k 1.6%

$15k–$25k 3.5%

$25k–$35k 2.9%

$35k–$50k 17.8%

$50k–$75k 14.7%

$75k–$100k 16.7%

$100k–$150k 22.1%

$150k–$200k 10.6%

$200k+ 10.1%

Range	% of households
Under $10k	1.6%
$15k–$25k	3.5%
$25k–$35k	2.9%
$35k–$50k	17.8%
$50k–$75k	14.7%
$75k–$100k	16.7%
$100k–$150k	22.1%
$150k–$200k	10.6%
$200k+	10.1%
Median income	$82,256

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.3%

$100k–$150k 16.8%

$150k–$200k 7.3%

$200k–$300k 35.6%

$300k–$500k 32.2%

$500k–$1M 6.1%

Housing overview

Metric	Value
Median home value	$278,800
Median rent / month	$1,110
Owner occupied	79.0%
Renter occupied	21.0%
Vacant	5.7%
Single-family detached	88.1%
Large apartment buildings	0.0%
Mobile homes	5.8%
Median rooms	6.2
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.6%
2010–2019	2.3%
2000–2009	11.5%
1990–1999	16.6%
1980–1989	20.8%
1970–1979	16.3%
1960–1969	1.2%
1950–1959	9.7%
1940–1949	1.1%
1939 or earlier	19.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.6%
2 bedrooms	22.9%
3 bedrooms	58.3%
4 bedrooms	14.3%
5+ bedrooms	1.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.5%
1 vehicle	23.6%
2 vehicles	35.2%
3 or more	40.7%

Heating fuel

Fuel type	%
Utility gas	0.8%
Electricity	61.6%
Propane / LP gas	12.4%
Fuel oil	10.4%
Wood	10.2%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	886	52.9%
Cohabiting couple	174	10.4%
Male householder, no spouse	270	16.1%
Female householder, no spouse	345	20.6%
Households with children under 18	567	33.9%
Households with seniors (65+)	697	41.6%
Average household size	2.62

Marital status

Status	Male	Female
Never married	34.5%	21.9%
Married	49.3%	54.4%
Separated	1.3%	0.3%
Widowed	5.4%	9.5%
Divorced	9.6%	13.9%

Education

Less than 9th grade 1.1%

Some HS, no diploma 7.4%

HS graduate 40.5%

Some college, no degree 23.0%

Associate's degree 5.3%

Bachelor's degree 13.4%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	91.5%
Bachelor's or higher	22.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	35	4.4%
Kindergarten	28	3.5%
Elementary school	496	61.8%
High school	128	15.9%
College / grad school	116	14.4%

Employment

Industry of employment

Construction 21.9%

Education & healthcare 18.7%

Manufacturing 15.7%

Professional & management 11.7%

Public administration 9.4%

Retail trade 7.9%

Arts, food & hospitality 5.9%

Finance & real estate 4.4%

Transportation & utilities 2.5%

Agriculture & mining 0.7%

Information 0.6%

Other services 0.6%

Occupation

Category	%
Management, business & arts	33.3%
Service	15.2%
Sales & office	15.3%
Natural resources & construction	15.4%
Production & transportation	20.9%

Employment type

Type	%
Private sector	76.5%
Government	22.3%
Self-employed	1.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.0%
Carpool	5.0%
Public transit	0.5%
Walk	0.8%
Work from home	10.3%
Other means	0.5%
Avg commute (minutes)	38.9

Poverty

All people 2.6%

Under 18 years 0.0%

18 and over 3.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	41.6%
Retirement income	31.5%
Supplemental Security	5.1%
Cash public assistance	5.2%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
Obesity	34.7%
High blood pressure	35.0%
High cholesterol	34.7%
Diabetes	9.6%
Heart disease	6.1%
Stroke	2.7%
Asthma	10.2%
Arthritis	27.1%
Kidney disease	2.6%
Pulmonary disease	6.6%
Cancer	7.1%

Behavior / access	%
Smoking	18.4%
Binge drinking	15.3%
No physical activity	23.6%
Less than 7 hrs sleep	33.2%
Depression	20.4%
Fair or poor health	11.7%
Poor mental health	14.1%
Poor physical health	9.1%
No health insurance	9.7%
Visited doctor (checkup)	76.9%
Visited dentist	67.2%
Cholesterol screening	92.2%
Teeth loss	11.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	369	10.5%

Disability	%
Any disability	12.9%
Under 18	3.1%
18–64 years	10.4%
65 and over	30.8%

Health insurance coverage

Type	%
Private insurance	72.0%
Public insurance	40.6%
No insurance	2.9%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,158	94.7%
Spanish	8	0.2%
Other Indo-European	8	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,353	99.2%
Born in same state	4,302	98.0%
Born in different state	2,955	67.3%
Foreign born	51	1.2%
Naturalized citizen	36	0.8%
Not a US citizen	19	52.8%

Ancestry

Ancestry	Count	%
French	379	8.6%
Italian	329	7.5%
Arab	252	5.7%

Ancestry	Count	%
Polish	18	0.4%
English	4	0.1%

Technology access

Metric	% of households
Computer access	38.2%
Internet access	94.9%

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

Frequently asked questions about ZIP code 21782

What city is ZIP code 21782 in?

ZIP code 21782 is primarily assigned to Sharpsburg, Maryland.

What county is ZIP code 21782 in?

ZIP code 21782 falls within Washington County, Maryland.

Does ZIP code 21782 have a large retiree population?

42% of households in ZIP code 21782 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 21782 have a large veteran population?

11% of civilians in ZIP code 21782 are veterans, above the national average of ~7%.

What is the population of ZIP code 21782?

ZIP code 21782 has an estimated population of 4,389 residents, with a density of 150 people per square mile.

What is the typical home value in ZIP code 21782?

The median home value in ZIP code 21782 is $278,800.

What timezone is ZIP code 21782 in?

ZIP code 21782 observes the EST timezone.