Postal Codes

15557 ZIP Code

Advertisement

English Español

ZIP code 15557 covers Rockwood, Pennsylvania, with a population of about 3,430 and a median household income of $59,833.

Population
3,43038 per square mile
Median age
45.87.1 points above the US average
Median household income
$59,83321% below the Pennsylvania median
Poverty rate
10.6%1.8 points below the US average
Typical home value
$187,086up 25.1% in five years
Median rent
$69740% below the Pennsylvania median
Degree or higher
17.5%17.5 points below the US average
Homeownership
82.5%17.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
65

Where 15557 is

Rockwood, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,430
Median age45.8
Family households68.8%
Born outside the US1.5%
Speaks a language other than English at home2.4%
White (non-Hispanic)96.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.8%
Hispanic or Latino1%
Veterans8.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$59,833
Income per person$30,387
Poverty rate10.6%
Households on SNAP or cash assistance12.3%

Household income distribution

Under $10k3.9%
$10–15k3.5%
$15–20k2.3%
$20–25k5.8%
$25–30k7.2%
$30–35k5.6%
$35–40k3.5%
$40–45k2.8%
$45–50k6.0%
$50–60k9.3%
$60–75k7.7%
$75–100k17.6%
$100–125k11.3%
$125–150k5.3%
$150–200k5.3%
$200k or more2.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,700
Mean adjusted gross income$65,881
Returns declaring $200,000 or more3.5%
Returns, under $25k31.2%
Returns, $25k–$50k23.5%
Returns, $50k–$75k16.5%
Returns, $75k–$100k11.8%
Returns, $100k–$200k13.5%
Returns, $200k or more3.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$123,900
Median gross rent$697
Rent as a share of household income21.8%
Owner-occupied82.5%
Vacant homes31.5%
Median year built1971

What the homes are

Detached house76.7%
Attached house1.9%
2 to 4 units2.5%
5 to 19 units4.2%
20 or more units0.3%
Mobile home14.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$187,086as of 2026-07
Typical home value, 1 yearup 5.3%
Typical home value, 5 yearsup 25.1%
Typical home value, 10 yearsup 67.4%
Typical home value since 2000
200920172026$187,086$107,489

$117,885 in 2009 to $187,086 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.9%
Bachelor's degree or higher17.5%
High school diploma or higher88.6%
Works from home4.6%
Drives to work alone86.1%
Takes public transport0.6%
Commutes 45 minutes or more13.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening66.1% 1.8 pts above the national average of 64.3%
Visited a dentist61% same as the national average of 61.3%
Mammography use75.9% same as the national average of 75.9%
Sleeps under 7 hours35.9% 0.5 pts below the national average of 36.4%
All natural teeth lost15.4% 2.4 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments65
People employed606
Annual payroll$38,253,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 40.3% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss40.4 out of 100
Community resilience73.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide88.6Relatively Moderate at its worst in this ZIP code
Drought86.9Relatively Moderate at its worst in this ZIP code
River flooding71.1Very High at its worst in this ZIP code
Winter weather69.4Relatively Moderate at its worst in this ZIP code
Lightning67.9Relatively High at its worst in this ZIP code
Hail66.5Relatively Moderate at its worst in this ZIP code
Hurricane64.4Relatively Low at its worst in this ZIP code
Wildfire64.1Relatively Low at its worst in this ZIP code
Strong wind56Relatively Moderate at its worst in this ZIP code
Tornado35Relatively Moderate at its worst in this ZIP code
Avalanche30.8Very Low at its worst in this ZIP code
Earthquake30.2Very Low at its worst in this ZIP code
Cold wave20.7Relatively Low at its worst in this ZIP code
Ice storm20.4Relatively Low at its worst in this ZIP code
Heat wave3.2Very Low at its worst in this ZIP code
Advertisement
Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$59,833$76,081$78,538
Income per person$30,387$43,104$43,289
Poverty rate10.6%11.8%12.4%
Median home value$123,900$240,500$303,400
Median gross rent$697$1,162$1,348
Homeownership82.5%69.3%65%
Bachelor's degree or higher17.5%34.5%35%
Unemployment rate6.9%5.2%5.2%
Works from home4.6%13.8%13.5%
Born outside the US1.5%7.4%13.9%
Median age45.840.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHIDDEN VALLEY, PA US13.1 km away
Rain in a year56 in

Average high and low by month

January31.8°F / 16.7°F4.48 in rain
February34.8°F / 17.9°F4.86 in rain
March43.7°F / 24.6°F4.48 in rain
April57.1°F / 34°F5.54 in rain
May66.5°F / 47.2°F5.37 in rain
June72.2°F / 55.8°F4.73 in rain
July76.9°F / 61.2°F4.15 in rain
August75°F / 58.9°F4.72 in rain
September70.1°F / 52.1°F4.31 in rain
October58.6°F / 40°F4.1 in rain
November46.5°F / 30.2°F4.18 in rain
December36.8°F / 22.6°F5.01 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Rockwood Area School District99.2% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status46more vulnerable than 46% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status2more vulnerable than 2% of US census tracts
Housing type and transport57more vulnerable than 57% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

15551 Markleton, PA11.5 km away
15510 Somerset, PA12.7 km away
15501 Somerset, PA13.3 km away
15542 Garrett, PA13.4 km away
15502 Hidden Valley, PA13.6 km away
15540 Fort Hill, PA16.5 km away
15622 Champion, PA16.7 km away
15549 Listie, PA17.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Somerset County99.2% of this ZIP code's land area
Fayette County0.8% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area89.79 sq mi
Water area0.07 sq mi
Population density38 people per sq mi
Latitude, longitude39.9373, -79.1865

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement