Williamstown ZIP Codes — Dauphin County, PA

There is one unique ZIP code in Williamstown, Pennsylvania and it is 17098. Area code: 570.

ZIP codes

9.32

sq mi land

0.00

sq mi water

570

area code

Williamstown, PA ZIP code map

About Williamstown, PA

Williamstown is a small yet charming borough located in Dauphin County, Pennsylvania. Known for its close-knit community and scenic surroundings, this town offers a peaceful atmosphere for residents and visitors alike. With its quaint streets and historic charm, Williamstown is an inviting place for those seeking a slice of small-town life.

Location & geography

Situated in central Pennsylvania, Williamstown is approximately 15 miles west of the city of Harrisburg, the state capital. It is also nearby the cities of Lykens, roughly 5 miles to the north, and Middletown, around 14 miles to the southeast. The borough covers a land area of 9.32 square miles, with no significant water bodies contributing to its geographical layout.

Community & economy

Williamstown has a friendly and tight-knit community where residents take pride in their town. The local economy is supported by a mix of small businesses, and the town's primary industries include retail and service-oriented jobs. Daily life in Williamstown is characterized by community events, local gatherings, and a shared commitment to preserving the town's unique character.

Transportation

Williamstown is easily accessible via several highways, including PA Route 209, which connects the borough to surrounding areas. The nearest major airport is Harrisburg International Airport, located around 20 miles away, providing both regional and national flight options. Local public transit may be limited, but residents often rely on personal vehicles for commuting.

History

Williamstown was established in the early 19th century and has since maintained its historical charm throughout the years. The borough's early economy was largely influenced by mining and small-scale manufacturing, shaping its development. Key events in the town's history reflect its growth and resilience, contributing to the rich tapestry of life in this Pennsylvania community.

Did you know?

A surprising fact about Williamstown is that it is home to one of the last remaining soda fountains in the region, beloved by locals and visitors alike. This unique establishment not only serves classic ice cream treats but also stands as a nostalgic reminder of the town's historical roots.

ZIP codes for Williamstown, PA (1)

ZIP code	City	County	Map
17098	Williamstown	Dauphin	View map

Demographics & statistics

2,441

Population

41.9

Median age

$61,410

Median household income

$28,349

Per capita income

$104,500

Median home value

$773

Median monthly rent

70.8%

Home ownership

19.0%

Poverty rate

10.2%

Unemployment

850

Housing units

12.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

103

20–24

152

25–34

157

119

35–44

124

169

45–54

176

104

55–59

107

60–64

118

65–74

122

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	561	23.0%
18 and over	1,880	77.0%
65 and over	401	16.4%
Median age	41.9 years

Race & ethnicity

White 87.9%

Black or African American 4.8%

American Indian / Alaska Native 3.2%

Two or more races 3.1%

Hispanic or Latino 0.8%

Asian 0.2%

Group	Count	%
White	2,164	87.9%
Black or African American	118	4.8%
American Indian / Alaska Native	79	3.2%
Two or more races	76	3.1%
Hispanic or Latino	20	0.8%
Asian	4	0.2%

Household income

Under $10k 4.2%

$10k–$15k 5.1%

$15k–$25k 7.6%

$25k–$35k 10.4%

$35k–$50k 10.3%

$50k–$75k 20.0%

$75k–$100k 21.3%

$100k–$150k 17.3%

$150k–$200k 3.4%

$200k+ 0.3%

Range	% of households
Under $10k	4.2%
$10k–$15k	5.1%
$15k–$25k	7.6%
$25k–$35k	10.4%
$35k–$50k	10.3%
$50k–$75k	20.0%
$75k–$100k	21.3%
$100k–$150k	17.3%
$150k–$200k	3.4%
$200k+	0.3%
Median income	$61,410

Housing

Home values

Under $50k 8.3%

$50k–$100k 38.5%

$100k–$150k 28.6%

$150k–$200k 10.2%

$200k–$300k 13.0%

$300k–$500k 1.5%

Housing overview

Metric	Value
Median home value	$104,500
Median rent / month	$773
Owner occupied	70.8%
Renter occupied	29.2%
Vacant	9.0%
Single-family detached	69.4%
Large apartment buildings	0.0%
Mobile homes	1.5%
Median rooms	6.2
Avg household size (owned)	2.06

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	1.1%
1990–1999	1.7%
1980–1989	4.4%
1970–1979	9.7%
1960–1969	6.3%
1950–1959	7.1%
1940–1949	9.0%
1939 or earlier	59.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.8%
2 bedrooms	26.5%
3 bedrooms	57.5%
4 bedrooms	8.9%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	10.2%
1 vehicle	31.0%
2 vehicles	35.3%
3 or more	23.4%

Heating fuel

Fuel type	%
Utility gas	1.3%
Electricity	31.4%
Propane / LP gas	3.6%
Fuel oil	51.5%
Wood	2.6%

Households & families

Household type	Count	%
Married-couple family	402	38.1%
Cohabiting couple	170	16.1%
Male householder, no spouse	176	16.7%
Female householder, no spouse	306	29.0%
Households with children under 18	280	26.6%
Households with seniors (65+)	311	29.5%
Average household size	2.32

Marital status

Status	Male	Female
Never married	38.9%	41.1%
Married	41.4%	36.0%
Separated	4.5%	0.8%
Widowed	2.1%	13.0%
Divorced	13.0%	9.1%

Education

Less than 9th grade 1.0%

Some HS, no diploma 9.5%

HS graduate 49.0%

Some college, no degree 17.9%

Associate's degree 10.3%

Bachelor's degree 10.1%

Graduate / professional 2.2%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	12.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	29	5.3%
Kindergarten	27	5.0%
Elementary school	223	41.0%
High school	172	31.6%
College / grad school	93	17.1%

Employment

Industry of employment

Manufacturing 23.8%

Education & healthcare 19.3%

Retail trade 11.4%

Arts, food & hospitality 8.2%

Finance & real estate 8.0%

Transportation & utilities 6.3%

Public administration 5.9%

Professional & management 5.5%

Construction 5.1%

Wholesale trade 2.2%

Information 2.0%

Other services 1.6%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	25.3%
Service	17.6%
Sales & office	17.5%
Natural resources & construction	7.6%
Production & transportation	32.0%

Employment type

Type	%
Private sector	84.7%
Government	14.3%
Self-employed	1.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.4%
Carpool	13.8%
Public transit	0.9%
Walk	2.9%
Other means	0.9%
Avg commute (minutes)	34.7

Poverty

All people 19.0%

Under 18 years 34.2%

18 and over 14.5%

Married-couple families 5.2%

Female-led households 49.7%

Income support

Source	% of households
Social Security	38.2%
Retirement income	34.0%
Supplemental Security	11.8%
Cash public assistance	5.3%
Food stamps / SNAP	21.4%

Health indicators

Condition	%
High blood pressure	34.8%
High cholesterol	35.2%
Heart disease	8.1%
Stroke	3.7%
Asthma	10.8%
Arthritis	30.1%
Kidney disease	3.3%
Pulmonary disease	9.7%
Cancer	7.1%

Behavior / access	%
Binge drinking	17.9%
No physical activity	28.6%
Less than 7 hrs sleep	36.2%
Fair or poor health	17.7%
Poor mental health	17.2%
Poor physical health	13.1%
No health insurance	12.1%
Visited doctor (checkup)	77.7%
Visited dentist	60.6%
Cholesterol screening	87.8%
Teeth loss	19.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	133	7.1%

Disability	%
Any disability	21.4%
Under 18	18.5%
18–64 years	18.3%
65 and over	36.9%

Health insurance coverage

Type	%
Private insurance	59.2%
Public insurance	49.3%
Uninsured under 19	6.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,344	96.0%
Spanish	27	1.2%
Other Indo-European	21	0.9%
Asian & Pacific Islander	0	0.0%
Other languages	4	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,433	99.7%
Born in same state	2,370	97.1%
Born in different state	2,027	83.0%
Foreign born	63	2.6%
Naturalized citizen	8	0.3%
Not a US citizen	6	75.0%

Ancestry

Ancestry	Count	%
Italian	270	11.1%
Arab	151	6.2%
French	78	3.2%

Ancestry	Count	%
English	48	2%
Irish	28	1.1%
Norwegian	12	0.5%

Technology access

Metric	% of households
Computer access	43.2%
Internet access	90.3%

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

Frequently asked questions

What ZIP codes does Williamstown, PA have?

Williamstown, PA has one ZIP code: 17098. Each ZIP code serves a distinct delivery area within the city and surrounding region.