Pennsylvania is home to 1,507 ZIP codes that span 67 counties and serve over 1,185 cities and towns across the Commonwealth. Ranging from 15001 in the western part of the state near Pittsburgh to 19611 in the eastern reaches near Reading, these ZIP codes reflect Pennsylvania's vast geographic and demographic diversity. Allegheny County, anchored by Pittsburgh, claims the highest concentration with 116 ZIP codes, followed by Philadelphia County with 79 and Montgomery County with 58. With deep roots in American postal history — Benjamin Franklin himself served as the nation's first Postmaster General from Philadelphia — Pennsylvania's ZIP code system continues to be one of the most extensive and historically significant in the country.
Pennsylvania ZIP codes span prefixes 150 through 196, moving generally from west to east across the state. Prefixes beginning with 150–159 cover the western region around Pittsburgh and its surrounding areas, 160–169 serve the north-central and northwestern parts of the state, 170–179 cover the central corridor including Harrisburg and the Susquehanna Valley, and 180–196 encompass the eastern portion of the state from the Poconos through the Lehigh Valley and into the Philadelphia metropolitan area.
Allegheny County leads Pennsylvania with 116 ZIP codes, reflecting its status as the state's second most populous county and home to Pittsburgh, a major metropolitan area with numerous distinct neighborhoods, boroughs, and suburban communities that each require their own postal designations.
Quick facts
Pennsylvania played a pivotal role in American postal history — Benjamin Franklin, a Philadelphia resident, served as the first Postmaster General of the United States in 1775, and Philadelphia was home to one of the nation's earliest post offices.
Pittsburgh's ZIP codes all begin with 150–152, and the city's unique geography of neighborhoods nestled between rivers and hills contributes to its surprisingly high number of distinct ZIP codes for a mid-sized city.
Pennsylvania's ZIP code range of 15001 to 19611 spans nearly 4,600 numbers, but only 1,507 of those are actively assigned, meaning roughly two-thirds of possible codes in that range are unassigned or reserved for future use.
Frequently asked questions
What ZIP codes are in Philadelphia, Pennsylvania?
Philadelphia uses ZIP codes primarily in the 191xx range, spanning from 19101 through 19154. Some of the most well-known include 19102 and 19103 in Center City, 19104 in University City near the University of Pennsylvania, 19106 in the historic Old City district, and 19130 in the Fairmount/Art Museum area. In total, Philadelphia County encompasses 79 ZIP codes serving the city's diverse neighborhoods.
How many ZIP codes does Pennsylvania have?
Pennsylvania has a total of 1,507 ZIP codes, making it one of the states with the highest number of ZIP codes in the nation. These codes are spread across 67 counties and serve approximately 1,185 cities and communities throughout the Commonwealth.
What do Pennsylvania ZIP codes start with?
Pennsylvania ZIP codes start with prefixes ranging from 150 to 196. The first three digits indicate the general geographic region within the state: 150–159 for western Pennsylvania around Pittsburgh, 160–169 for the northwestern and north-central regions, 170–179 for central Pennsylvania including Harrisburg and Lancaster, and 180–196 for eastern Pennsylvania including the Lehigh Valley, the Poconos, and the Greater Philadelphia area.
Which county in Pennsylvania has the most ZIP codes?
Allegheny County has the most ZIP codes in Pennsylvania with 116, largely due to the Pittsburgh metropolitan area's many municipalities and neighborhoods. Philadelphia County follows with 79 ZIP codes covering the entirety of the city of Philadelphia, and Montgomery County ranks third with 58 ZIP codes serving its densely populated suburban communities northwest of Philadelphia.
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Last updated April 2026
Demographics & statistics
12,835,513
Population
41.2
Median age
$78,326
Median household income
$41,371
Per capita income
$202,598
Median home value
$884
Median monthly rent
76.7%
Home ownership
10.6%
Poverty rate
4.9%
Unemployment
4,101,213
Housing units
26.2%
Bachelor's or higher
Age distribution
MaleFemale
356,054
Under 5
326,471
375,268
5–9
344,088
400,726
10–14
367,431
429,847
15–19
394,132
424,003
20–24
388,775
875,942
25–34
803,164
812,373
35–44
744,876
829,248
45–54
760,349
463,878
55–59
425,337
472,494
60–64
433,236
724,526
65–74
664,328
363,712
75–84
333,493
167,854
85+
153,908
← Male
Female →
Age summary
Group
Count
%
Under 18
2,639,865
19.7%
18 and over
10,195,648
80.3%
65 and over
2,407,821
21.3%
Median age
41.2 years
Race & ethnicity
White72.8%
Black or African American10.3%
Hispanic or Latino5.4%
Two or more races4.9%
Asian3.5%
Other race3%
American Indian / Alaska Native0.2%
Group
Count
%
White
9,874,283
72.8%
Black or African American
1,398,998
10.3%
Hispanic or Latino
732,647
5.4%
Two or more races
662,176
4.9%
Asian
471,185
3.5%
Other race
404,158
3%
American Indian / Alaska Native
20,480
0.2%
Household income
Under $10k4.1%
$10k–$15k3.8%
$15k–$25k8.1%
$25k–$35k8.1%
$35k–$50k11.9%
$50k–$75k17.7%
$75k–$100k13.8%
$100k–$150k17.4%
$150k–$200k7.4%
$200k+7.6%
Range
% of households
Under $10k
4.1%
$10k–$15k
3.8%
$15k–$25k
8.1%
$25k–$35k
8.1%
$35k–$50k
11.9%
$50k–$75k
17.7%
$75k–$100k
13.8%
$100k–$150k
17.4%
$150k–$200k
7.4%
$200k+
7.6%
Median income
$78,326
Housing
Home values
Under $50k8.5%
$50k–$100k15.0%
$100k–$150k15.0%
$150k–$200k14.8%
$200k–$300k21.7%
$300k–$500k16.3%
$500k–$1M6.8%
$1M+1.7%
Housing overview
Metric
Value
Median home value
$202,598
Median rent / month
$884
Owner occupied
76.7%
Renter occupied
23.2%
Vacant
14.2%
Single-family detached
70.3%
Large apartment buildings
3.4%
Mobile homes
7.5%
Median rooms
6.1
Avg household size (owned)
2.52
Year built
Era
%
2020 or later
0.2%
2010–2019
4.0%
2000–2009
8.3%
1990–1999
10.2%
1980–1989
10.3%
1970–1979
13.6%
1960–1969
8.9%
1950–1959
11.0%
1940–1949
6.4%
1939 or earlier
26.9%
Bedrooms
Size
% of units
No bedroom (studio)
1.7%
1 bedroom
8.3%
2 bedrooms
22.9%
3 bedrooms
45.0%
4 bedrooms
17.4%
5+ bedrooms
4.6%
Vehicles per household
Vehicles
% of households
No vehicle
7.6%
1 vehicle
30.7%
2 vehicles
37.6%
3 or more
23.9%
Heating fuel
Fuel type
%
Utility gas
36.4%
Electricity
21.0%
Propane / LP gas
7.6%
Fuel oil
24.1%
Wood
6.3%
Solar
0.1%
No fuel used
0.5%
Households & families
Household type
Count
%
Married-couple family
2,407,424
52.2%
Cohabiting couple
365,360
6.8%
Male householder, no spouse
939,006
18.0%
Female householder, no spouse
1,430,048
22.9%
Households with children under 18
1,414,927
26.6%
Households with seniors (65+)
1,707,754
36.1%
Average household size
2.45
Marital status
Status
Male
Female
Never married
32.2%
25.7%
Married
53.2%
52.1%
Separated
1.6%
1.7%
Widowed
3.4%
10.2%
Divorced
9.6%
10.3%
Education
Less than 9th grade3.0%
Some HS, no diploma6.2%
HS graduate40.3%
Some college, no degree14.9%
Associate's degree9.4%
Bachelor's degree16.1%
Graduate / professional10.0%
Metric
%
HS diploma or higher
90.8%
Bachelor's or higher
26.2%
School enrollment (ages 3–17)
Type
Count
%
Nursery / preschool
168,953
5.7%
Kindergarten
137,901
4.9%
Elementary school
1,172,123
43.6%
High school
622,623
23.4%
College / grad school
794,843
20.9%
Employment
Industry of employment
Education & healthcare24.4%
Manufacturing13.7%
Retail trade11.1%
Professional & management8.5%
Construction7.9%
Arts, food & hospitality7.1%
Transportation & utilities6.5%
Finance & real estate5.1%
Other services4.9%
Public administration4.3%
Agriculture & mining2.8%
Wholesale trade2.4%
Information1.2%
Occupation
Category
%
Management, business & arts
35.5%
Service
16.4%
Sales & office
19.4%
Natural resources & construction
11.2%
Production & transportation
17.5%
Employment type
Type
%
Private sector
82.0%
Government
11.9%
Self-employed
5.9%
Unpaid family workers
0.2%
Commute
Method
%
Drive alone
75.8%
Carpool
8.4%
Public transit
2.0%
Walk
2.8%
Other means
1.4%
Avg commute (minutes)
27.0
Poverty
All people10.6%
Under 18 years13.7%
18 and over9.7%
Married-couple families4.0%
Female-led households20.1%
Income support
Source
% of households
Social Security
39.1%
Retirement income
28.2%
Supplemental Security
5.3%
Cash public assistance
3.0%
Food stamps / SNAP
12.2%
Health indicators
Condition
%
High blood pressure
32.9%
High cholesterol
32.6%
Heart disease
7.1%
Stroke
3.2%
Asthma
10.0%
Arthritis
28.5%
Kidney disease
3.0%
Pulmonary disease
7.9%
Cancer
7.1%
Behavior / access
%
Binge drinking
18.2%
No physical activity
24.1%
Less than 7 hrs sleep
34.9%
Fair or poor health
14.8%
Poor mental health
15.3%
Poor physical health
11.0%
No health insurance
10.6%
Visited doctor (checkup)
76.7%
Visited dentist
63.3%
Cholesterol screening
88.2%
Teeth loss
15.1%
Veterans & disability
Veterans
Count
%
Civilian veterans
672,048
7.8%
Disability
%
Any disability
15.1%
Under 18
5.4%
18–64 years
12.0%
65 and over
32.9%
Health insurance coverage
Type
%
Private insurance
71.4%
Public insurance
39.4%
Uninsured under 19
5.8%
Language & origin
Language spoken at home (age 5+)
Language
Count
%
English only
12,152,988
95.0%
Spanish
557,109
2.5%
Other Indo-European
263,384
1.0%
Asian & Pacific Islander
143,484
1.0%
Other languages
119,873
0.4%
Place of birth & citizenship
Origin
Count
%
Native born (US)
11,897,353
96.3%
Born in same state
11,646,178
95.3%
Born in different state
9,144,018
76.5%
Foreign born
251,175
1.1%
Naturalized citizen
938,160
3.7%
Not a US citizen
520,679
52.2%
Ancestry
Ancestry
Count
%
Italian
1,924,171
15%
French
996,133
7.8%
Arab
569,499
4.4%
English
138,406
1.1%
Irish
110,406
0.9%
Ancestry
Count
%
Norwegian
62,332
0.5%
Polish
42,102
0.3%
German
23,424
0.2%
Dutch
15,552
0.1%
Technology access
Metric
% of households
Computer access
40.7%
Internet access
89.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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