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Pennsylvania ZIP Codes
Somerset County
Rockwood, PA
15557
15557 ZIP Code — Rockwood, PA
Somerset County, Pennsylvania
ZIP code 15557 is located in
Rockwood ,
Pennsylvania ,
within Somerset County .
It covers approximately 89.79 square miles and serves a population of
3,389 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 814 .
About ZIP code 15557
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $120,000. Owner-occupancy is high at 82%, well above the national average.
Median household income is $56,776. 44% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks.
Overall, ZIP code 15557 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
15557 ZIP code map
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Cities in ZIP code 15557
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
3,389
Population density
38 / sq mi
State FIPS
42
County FIPS
111
Geography
Land area
89.79 sq mi
Water area
0.07 sq mi
Latitude
39.9126
Longitude
-79.2059
Timezone
Eastern (ET)
Area code
814
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.0%
48.8%
39.8%
$50k – $100k
31.9%
33.1%
30.8%
$100k – $200k
13.4%
15.4%
22.4%
Over $200k
1.7%
2.8%
7.1%
Demographics & statistics
$56,776
Median household income
$120,000
Median home value
16.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 661 19.5%
18 and over 2,728 80.5%
65 and over 753 22.2%
Median age 45.6 years
Race & ethnicity
American Indian / Alaska Native
0.8%
Black or African American
0.1%
Group Count %
White 3,317 97.4%
Two or more races 28 0.8%
American Indian / Alaska Native 27 0.8%
Hispanic or Latino 16 0.5%
Asian 8 0.2%
Black or African American 5 0.1%
Other race 3 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.0%
48.8%
39.8%
$50k – $100k
31.9%
33.1%
30.8%
$100k – $200k
13.4%
15.4%
22.4%
Over $200k
1.7%
2.8%
7.1%
Range % of households
Under $10k 2.8%
$10k–$15k 4.6%
$15k–$25k 12.1%
$25k–$35k 10.9%
$35k–$50k 12.2%
$50k–$75k 18.7%
$75k–$100k 17.1%
$100k–$150k 14.7%
$150k–$200k 4.2%
$200k+ 2.6%
Median income $56,776
Housing
Housing overview
Metric Value
Median home value $120,000
Median rent / month $633
Owner occupied 81.8%
Renter occupied 18.2%
Vacant 32.2%
Single-family detached 78.0%
Large apartment buildings 0.3%
Mobile homes 14.8%
Median rooms 5.7
Avg household size (owned) 2.55
Year built
Era %
2020 or later 0.0%
2010–2019 3.1%
2000–2009 12.9%
1990–1999 8.1%
1980–1989 9.0%
1970–1979 19.2%
1960–1969 7.2%
1950–1959 11.7%
1940–1949 5.4%
1939 or earlier 23.4%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 9.2%
2 bedrooms 28.1%
3 bedrooms 45.5%
4 bedrooms 11.3%
5+ bedrooms 3.9%
Vehicles per household
Vehicles % of households
No vehicle 3.8%
1 vehicle 30.4%
2 vehicles 38.5%
3 or more 27.3%
Heating fuel
Fuel type %
Utility gas 0.7%
Electricity 14.1%
Propane / LP gas 12.9%
Fuel oil 50.7%
Wood 6.9%
No fuel used 1.5%
Households & families
Household type Count %
Married-couple family 728 53.1%
Cohabiting couple 80 5.8%
Male householder, no spouse 277 20.2%
Female householder, no spouse 286 20.9%
Households with children under 18 330 24.1%
Households with seniors (65+) 551 40.2%
Average household size 2.46
Marital status
Status Male Female
Never married 26.9% 24.7%
Married 54.6% 51.8%
Separated 0.3% 1.3%
Widowed 3.9% 12.8%
Divorced 14.3% 9.5%
Education
Some college, no degree
13.4%
Graduate / professional
3.8%
Metric %
HS diploma or higher 87.7%
Bachelor's or higher 16.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 29 3.8%
Kindergarten 10 1.3%
Elementary school 347 45.8%
High school 216 28.5%
College / grad school 156 20.6%
Employment
Industry of employment
Education & healthcare
20.2%
Arts, food & hospitality
10.6%
Transportation & utilities
7.0%
Professional & management
6.0%
Finance & real estate
5.9%
Agriculture & mining
4.5%
Public administration
4.5%
Occupation
Category %
Management, business & arts 25.3%
Service 19.1%
Sales & office 18.2%
Natural resources & construction 16.4%
Production & transportation 21.0%
Employment type
Type %
Private sector 81.9%
Government 13.5%
Self-employed 4.6%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 83.5%
Carpool 10.3%
Public transit 0.6%
Walk 1.3%
Work from home 3.4%
Other means 0.8%
Avg commute (minutes) 25.4
Poverty
Married-couple families
2.5%
Female-led households
31.9%
Income support
Source % of households
Social Security 43.6%
Retirement income 26.5%
Supplemental Security 4.3%
Cash public assistance 2.3%
Food stamps / SNAP 11.2%
Health indicators
Condition %
Obesity 35.3%
High blood pressure 34.7%
High cholesterol 35.0%
Diabetes 11.1%
Heart disease 7.8%
Stroke 3.4%
Asthma 10.2%
Arthritis 30.4%
Kidney disease 3.1%
Pulmonary disease 8.8%
Cancer 7.5%
Behavior / access %
Smoking 21.7%
Binge drinking 18.7%
No physical activity 26.5%
Less than 7 hrs sleep 36.4%
Depression 22.3%
Fair or poor health 15.8%
Poor mental health 15.8%
Poor physical health 11.8%
No health insurance 11.0%
Visited doctor (checkup) 77.7%
Visited dentist 63.5%
Cholesterol screening 89.4%
Teeth loss 16.3%
Veterans & disability
Veterans Count %
Civilian veterans 247 9.1%
Disability %
Any disability 13.8%
Under 18 2.7%
18–64 years 9.9%
65 and over 33.7%
Health insurance coverage
Type %
Private insurance 73.3%
Public insurance 39.9%
No insurance 4.0%
Uninsured under 19 3.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 3,292 97.1%
Spanish 23 0.7%
Other Indo-European 0 0.0%
Asian & Pacific Islander 16 0.5%
Other languages 3 0.1%
Place of birth & citizenship
Origin Count %
Native born (US) 3,372 99.5%
Born in same state 3,363 99.2%
Born in different state 3,020 89.1%
Foreign born 9 0.3%
Naturalized citizen 17 0.5%
Not a US citizen 14 82.4%
Ancestry
Ancestry Count %
French 358 10.6%
Italian 216 6.4%
Arab 146 4.3%
Irish 38 1.1%
Ancestry Count %
English 24 0.7%
Polish 4 0.1%
German 3 0.1%
Technology access
Metric % of households
Computer access 40.5%
Internet access 82.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 15557
What city is ZIP code 15557 in?
ZIP code 15557 is primarily assigned to Rockwood, Pennsylvania.
What county is ZIP code 15557 in?
ZIP code 15557 falls within Somerset County, Pennsylvania.
Does ZIP code 15557 have a large retiree population?
44% of households in ZIP code 15557 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 15557 mostly owner-occupied?
82% of occupied units in ZIP code 15557 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 15557?
The median home value in ZIP code 15557 is $120,000.
Does ZIP code 15557 have a large veteran population?
9% of civilians in ZIP code 15557 are veterans, above the national average of ~7%.
What timezone is ZIP code 15557 in?
ZIP code 15557 observes the EST timezone.
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