Middletown ZIP Code List — Dauphin County, PA

There is one unique ZIP code in Middletown, Pennsylvania and it is 17057. Area code: 717.

ZIP codes

31.12

sq mi land

6.74

sq mi water

717

area code

Middletown, PA ZIP code map

About Middletown, PA

Middletown, Pennsylvania, is a charming borough located in Dauphin County. Known for its close-knit community and small-town charm, Middletown offers a welcoming atmosphere for residents and visitors alike. With its historical significance and modern amenities, it provides a unique blend of past and present.

Location & geography

Middletown is situated in south-central Pennsylvania, approximately 12 miles southeast of Harrisburg, the state capital. The borough is bordered by TMI (Three Mile Island), which is a notable landmark in the area, and offers easy access to nearby cities like Lancaster, around 27 miles to the west, and York, approximately 20 miles to the south. Covering a land area of 31.12 square miles and a water area of 6.74 square miles, the terrain combines urban landscapes with scenic natural surroundings.

Community & economy

The community in Middletown is characterized by its friendly residents and family-oriented activities. The local economy is diverse, with key industries including manufacturing, retail, and services that support both the community and surrounding areas. Daily life in Middletown thrives on community events; from farmers' markets to seasonal festivals, residents enjoy a vibrant hometown spirit.

Transportation

Middletown is well-connected via major highways, including Interstate 76 and Pennsylvania Route 230, providing easy travel access to surrounding regions. The nearest named airport is Harrisburg International Airport, approximately 8 miles away, facilitating both domestic and limited international flights. Public transit options, such as bus services, are available, making travel within the area convenient.

History

Middletown was founded in the 18th century and played a significant role as a transportation hub, particularly with the development of the Pennsylvania Canal system. The borough saw growth through industry and manufacturing, especially during the mid-19th century, which paved the way for economic development. Notable events in its history include the establishment of Three Mile Island nuclear power plant, which significantly impacted both local development and public perception of nuclear energy.

Did you know?

An interesting fact about Middletown is that it was once a stop on the Pennsylvania Railroad, which greatly contributed to its growth and accessibility. Additionally, the borough provides access to the scenic Susquehanna River, which offers recreational opportunities for residents and visitors alike.

ZIP codes for Middletown, PA (1)

ZIP code	City	County	Map
17057	Middletown	Dauphin	View map

Demographics & statistics

23,423

Population

39.3

Median age

$68,072

Median household income

$37,897

Per capita income

$170,800

Median home value

$1,074

Median monthly rent

68.0%

Home ownership

11.7%

Poverty rate

3.3%

Unemployment

7,406

Housing units

24.7%

Bachelor's or higher

Age distribution

Male Female

875

Under 5

844

461

5–9

445

487

10–14

470

1,020

15–19

984

868

20–24

838

1,870

25–34

1,806

999

35–44

964

1,305

45–54

1,259

999

55–59

965

728

60–64

703

1,317

65–74

1,271

606

75–84

584

384

85+

371

← Male

Female →

Age summary

Group	Count	%
Under 18	4,496	19.2%
18 and over	18,927	80.8%
65 and over	4,533	19.4%
Median age	39.3 years

Race & ethnicity

White 73%

Hispanic or Latino 8%

Black or African American 6.5%

Two or more races 5.8%

Other race 5.2%

Asian 1.5%

Group	Count	%
White	18,578	73%
Hispanic or Latino	2,026	8%
Black or African American	1,657	6.5%
Two or more races	1,468	5.8%
Other race	1,333	5.2%
Asian	384	1.5%

Household income

Under $10k 7.3%

$10k–$15k 1.5%

$15k–$25k 5.6%

$25k–$35k 9.6%

$35k–$50k 14.3%

$50k–$75k 15.2%

$75k–$100k 17.5%

$100k–$150k 15.1%

$150k–$200k 6.6%

$200k+ 7.3%

Range	% of households
Under $10k	7.3%
$10k–$15k	1.5%
$15k–$25k	5.6%
$25k–$35k	9.6%
$35k–$50k	14.3%
$50k–$75k	15.2%
$75k–$100k	17.5%
$100k–$150k	15.1%
$150k–$200k	6.6%
$200k+	7.3%
Median income	$68,072

Housing

Home values

Under $50k 10.7%

$50k–$100k 7.5%

$100k–$150k 21.9%

$150k–$200k 20.4%

$200k–$300k 23.4%

$300k–$500k 13.4%

$500k–$1M 2.2%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$170,800
Median rent / month	$1,074
Owner occupied	68.0%
Renter occupied	32.0%
Vacant	6.4%
Single-family detached	54.3%
Large apartment buildings	7.4%
Mobile homes	8.8%
Median rooms	5.9
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.4%
2010–2019	4.6%
2000–2009	6.0%
1990–1999	11.6%
1980–1989	14.0%
1970–1979	19.8%
1960–1969	10.8%
1950–1959	11.0%
1940–1949	6.1%
1939 or earlier	15.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	10.0%
2 bedrooms	25.2%
3 bedrooms	44.5%
4 bedrooms	16.1%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	36.7%
2 vehicles	38.8%
3 or more	18.8%

Heating fuel

Fuel type	%
Utility gas	31.1%
Electricity	41.4%
Propane / LP gas	7.0%
Fuel oil	17.4%
Wood	0.8%
Solar	0.1%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	4,440	44.8%
Cohabiting couple	757	7.6%
Male householder, no spouse	2,091	21.1%
Female householder, no spouse	2,615	26.4%
Households with children under 18	2,563	25.9%
Households with seniors (65+)	3,336	33.7%
Average household size	2.30

Marital status

Status	Male	Female
Never married	36.3%	33.3%
Married	47.1%	44.8%
Separated	3.0%	1.1%
Widowed	4.2%	9.1%
Divorced	9.3%	11.7%

Education

Less than 9th grade 2.1%

Some HS, no diploma 5.0%

HS graduate 40.3%

Some college, no degree 18.8%

Associate's degree 9.2%

Bachelor's degree 16.3%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	92.9%
Bachelor's or higher	24.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	258	4.9%
Kindergarten	250	4.7%
Elementary school	1,529	28.9%
High school	1,119	21.1%
College / grad school	2,141	40.4%

Employment

Industry of employment

Education & healthcare 23.4%

Retail trade 11.3%

Transportation & utilities 10.3%

Professional & management 9.5%

Finance & real estate 9.2%

Arts, food & hospitality 7.5%

Public administration 7.3%

Other services 6.3%

Manufacturing 5.3%

Construction 4.7%

Wholesale trade 4.3%

Information 0.7%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	33.5%
Service	16.8%
Sales & office	24.7%
Natural resources & construction	9.2%
Production & transportation	15.8%

Employment type

Type	%
Private sector	77.2%
Government	18.4%
Self-employed	4.2%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.3%
Carpool	8.4%
Public transit	0.3%
Walk	2.5%
Other means	2.2%
Avg commute (minutes)	22.3

Poverty

All people 11.7%

Under 18 years 13.0%

18 and over 11.4%

Married-couple families 5.3%

Female-led households 20.7%

Income support

Source	% of households
Social Security	36.8%
Retirement income	33.1%
Supplemental Security	4.1%
Cash public assistance	3.5%
Food stamps / SNAP	10.9%

Health indicators

Condition	%
High blood pressure	32.1%
High cholesterol	33.6%
Heart disease	6.9%
Stroke	3.2%
Asthma	10.4%
Arthritis	27.3%
Kidney disease	3.0%
Pulmonary disease	7.8%
Cancer	6.8%

Behavior / access	%
Binge drinking	18.0%
No physical activity	25.4%
Less than 7 hrs sleep	35.2%
Fair or poor health	14.9%
Poor mental health	16.3%
Poor physical health	11.2%
No health insurance	11.2%
Visited doctor (checkup)	77.8%
Visited dentist	64.9%
Cholesterol screening	88.4%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,382	7.3%

Disability	%
Any disability	13.1%
Under 18	3.1%
18–64 years	11.4%
65 and over	28.9%

Health insurance coverage

Type	%
Private insurance	76.1%
Public insurance	37.8%
Uninsured under 19	1.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,704	92.7%
Spanish	437	2.0%
Other Indo-European	161	0.7%
Asian & Pacific Islander	167	0.8%
Other languages	90	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,433	95.8%
Born in same state	21,374	91.3%
Born in different state	17,852	76.2%
Foreign born	1,059	4.5%
Naturalized citizen	990	4.2%
Not a US citizen	489	49.4%

Ancestry

Ancestry	Count	%
Italian	2,393	10.2%
Arab	1,509	6.4%
French	1,273	5.4%
Irish	285	1.2%
English	206	0.9%

Ancestry	Count	%
Norwegian	44	0.2%
Dutch	37	0.2%
Polish	31	0.1%
German	27	0.1%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	90.1%

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

Frequently asked questions

What is the ZIP code for Middletown, PA?

Middletown, PA has one ZIP code: 17057.

What is the main ZIP code for Middletown, PA?

The primary ZIP code for Middletown, PA is 17057. The city uses area code 717 for phone service.

What county is Middletown, PA in?

Middletown is located in Dauphin County, Pennsylvania.

How many ZIP codes are in Middletown, PA?

Middletown, PA has 1 ZIP code.