Williamsport ZIP Codes — Washington County, MD

There is one unique ZIP code in Williamsport, Maryland and it is 21795. Area code: 240/301.

ZIP codes

32.14

sq mi land

1.73

sq mi water

240/301

area code

Williamsport, MD ZIP code map

About Williamsport, MD

Williamsport, Maryland, is a charming town located in Washington County, known for its scenic beauty and rich history. Covering a total area of 32.14 square miles, this small town combines rural friendliness with a tight-knit community atmosphere. It serves as a peaceful retreat for those looking to escape the hustle and bustle of larger cities while still having convenient access to various amenities.

Location & geography

Williamsport is situated along the Potomac River and is located approximately 7 miles southwest of Hagerstown and 12 miles northeast of Martinsburg, West Virginia. The town features diverse terrain, with a land area of 32.14 square miles and a water area of 1.73 square miles, making it an appealing location for outdoor enthusiasts and nature lovers. The surrounding area includes a variety of parks and recreational opportunities, enhancing the community's appeal.

Community & economy

The character of Williamsport reflects a blend of historical charm and modern living, with many local businesses contributing to the town's economy. The community is largely residential, making it an attractive place for families and retirees alike, with local events that foster a strong sense of belonging. Daily life in Williamsport is often characterized by a pace that allows residents to enjoy both their surroundings and the close-knit community spirit.

Transportation

Williamsport is accessible via several highways, including Interstate 81, which runs nearby, providing convenient travel options for residents and visitors. The nearest major airports are Hagerstown Regional Airport and Washington Dulles International Airport, both offering various travel options. Public transit is limited, but local road networks facilitate easy commuting in and around the area.

History

Williamsport was founded in the early 19th century and quickly became a hub for transportation along the historic Chesapeake and Ohio Canal. The town played a crucial role during the Civil War era, serving as a strategic location for troop movements and supplies. Today, Williamsport is recognized for its historical sites and as a gateway to the scenic views of the surrounding state parks.

Did you know?

A little-known fact about Williamsport is that it is home to the historic Williamsport Canal that was once a vital trade route connecting the area to larger markets. Additionally, the town boasts the annual Williamsport Community Days, which celebrates local culture and brings residents together for fun and festivities.

ZIP codes for Williamsport, MD (1)

ZIP code	City	County	Map
21795	Williamsport	Washington	View map

Demographics & statistics

9,772

Population

40.9

Median age

$84,833

Median household income

$41,915

Per capita income

$252,000

Median home value

$1,077

Median monthly rent

67.9%

Home ownership

9.8%

Poverty rate

5.8%

Unemployment

3,045

Housing units

23.7%

Bachelor's or higher

Age distribution

Male Female

201

Under 5

196

210

5–9

204

360

10–14

350

395

15–19

384

373

20–24

362

535

25–34

519

673

35–44

653

617

45–54

599

372

55–59

361

305

60–64

297

471

65–74

458

245

75–84

238

200

85+

194

← Male

Female →

Age summary

Group	Count	%
Under 18	1,870	19.1%
18 and over	7,902	80.9%
65 and over	1,806	18.5%
Median age	40.9 years

Race & ethnicity

White 85.9%

Two or more races 7.2%

Black or African American 4.1%

Hispanic or Latino 1.3%

Asian 0.9%

Other race 0.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	8,503	85.9%
Two or more races	716	7.2%
Black or African American	403	4.1%
Hispanic or Latino	124	1.3%
Asian	90	0.9%
Other race	52	0.5%
American Indian / Alaska Native	8	0.1%

Household income

Under $10k 5.8%

$10k–$15k 2.1%

$15k–$25k 5.0%

$25k–$35k 6.0%

$35k–$50k 11.7%

$50k–$75k 12.9%

$75k–$100k 14.3%

$100k–$150k 18.0%

$150k–$200k 10.4%

$200k+ 13.6%

Range	% of households
Under $10k	5.8%
$10k–$15k	2.1%
$15k–$25k	5.0%
$25k–$35k	6.0%
$35k–$50k	11.7%
$50k–$75k	12.9%
$75k–$100k	14.3%
$100k–$150k	18.0%
$150k–$200k	10.4%
$200k+	13.6%
Median income	$84,833

Housing

Home values

Under $50k 3.7%

$50k–$100k 3.0%

$100k–$150k 7.3%

$150k–$200k 13.2%

$200k–$300k 39.2%

$300k–$500k 27.9%

$500k–$1M 5.7%

Housing overview

Metric	Value
Median home value	$252,000
Median rent / month	$1,077
Owner occupied	67.9%
Renter occupied	32.1%
Vacant	11.3%
Single-family detached	67.7%
Large apartment buildings	4.4%
Mobile homes	3.8%
Median rooms	6.0
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	8.3%
1990–1999	11.6%
1980–1989	13.5%
1970–1979	11.4%
1960–1969	11.0%
1950–1959	16.8%
1940–1949	1.3%
1939 or earlier	21.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	8.9%
2 bedrooms	28.9%
3 bedrooms	35.8%
4 bedrooms	23.1%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	5.2%
1 vehicle	27.4%
2 vehicles	40.2%
3 or more	27.2%

Heating fuel

Fuel type	%
Utility gas	3.9%
Electricity	60.4%
Propane / LP gas	4.4%
Fuel oil	26.2%
Wood	4.4%
Solar	0.6%

Households & families

Household type	Count	%
Married-couple family	1,823	48.3%
Cohabiting couple	380	10.1%
Male householder, no spouse	814	21.6%
Female householder, no spouse	757	20.1%
Households with children under 18	1,178	31.2%
Households with seniors (65+)	1,121	29.7%
Average household size	2.51

Marital status

Status	Male	Female
Never married	38.4%	27.2%
Married	46.6%	46.6%
Separated	2.9%	1.6%
Widowed	1.0%	10.0%
Divorced	11.1%	14.6%

Education

Less than 9th grade 1.8%

Some HS, no diploma 6.1%

HS graduate 43.8%

Some college, no degree 17.3%

Associate's degree 7.4%

Bachelor's degree 14.7%

Graduate / professional 9.0%

Metric	%
HS diploma or higher	92.1%
Bachelor's or higher	23.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	39	1.7%
Kindergarten	107	4.5%
Elementary school	917	38.8%
High school	678	28.7%
College / grad school	620	26.3%

Employment

Industry of employment

Education & healthcare 20.7%

Construction 12.4%

Retail trade 12.1%

Transportation & utilities 10.0%

Professional & management 9.5%

Manufacturing 8.3%

Arts, food & hospitality 7.6%

Public administration 6.4%

Finance & real estate 5.3%

Wholesale trade 3.3%

Other services 2.2%

Information 1.1%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	31.6%
Service	17.7%
Sales & office	16.6%
Natural resources & construction	11.8%
Production & transportation	22.3%

Employment type

Type	%
Private sector	81.9%
Government	14.2%
Self-employed	3.6%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	86.0%
Carpool	6.6%
Public transit	0.1%
Walk	1.3%
Other means	0.2%
Avg commute (minutes)	22.9

Poverty

All people 9.8%

Under 18 years 13.0%

18 and over 9.1%

Married-couple families 4.3%

Female-led households 24.3%

Income support

Source	% of households
Social Security	28.9%
Retirement income	27.7%
Supplemental Security	4.7%
Cash public assistance	2.5%
Food stamps / SNAP	10.3%

Health indicators

Condition	%
High blood pressure	38.1%
High cholesterol	36.3%
Heart disease	7.5%
Stroke	3.3%
Asthma	10.1%
Arthritis	30.1%
Kidney disease	3.1%
Pulmonary disease	7.5%
Cancer	8.5%

Behavior / access	%
Binge drinking	13.7%
No physical activity	26.0%
Less than 7 hrs sleep	32.5%
Fair or poor health	13.0%
Poor mental health	13.7%
Poor physical health	9.7%
No health insurance	10.2%
Visited doctor (checkup)	78.5%
Visited dentist	65.9%
Cholesterol screening	92.4%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	581	7.4%

Disability	%
Any disability	10.3%
Under 18	3.5%
18–64 years	7.1%
65 and over	29.8%

Health insurance coverage

Type	%
Private insurance	76.5%
Public insurance	35.5%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,375	95.9%
Spanish	108	1.2%
Other Indo-European	40	0.4%
Asian & Pacific Islander	54	0.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,553	97.8%
Born in same state	9,547	97.7%
Born in different state	7,367	75.4%
Foreign born	6	0.1%
Naturalized citizen	219	2.2%
Not a US citizen	152	69.4%

Ancestry

Ancestry	Count	%
Arab	1,032	10.6%
Italian	1,010	10.3%
French	1,003	10.3%
Dutch	50	0.5%

Ancestry	Count	%
English	26	0.3%
Polish	23	0.2%
German	15	0.2%
Norwegian	6	0.1%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	91.0%

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

Frequently asked questions

What ZIP codes does Williamsport, MD have?

Williamsport, MD has one ZIP code: 21795. Each ZIP code serves a distinct delivery area within the city and surrounding region.