US ZIP Code
15478

Smithfield, PA

Fayette County  ·  Pennsylvania

● Active
👥 5,679 Population ↓ 4% since 2019
💰 $71,311 Median HH Income
≈ Avg ↑ 29% since 2019
🎂 45.9 Median Age ↑ 2% since 2019
🏠 $145,700 Median Home Value
▼ 48% below avg ↑ 17% since 2019
🎓 31.6% College Grads
▼ 18% below avg
📊 6.5% Unemployment
▲ 33% above avg ↑ 90% since 2019
ZIP Code Details
ZIP Code15478
CitySmithfield
StatePennsylvania (PA)
CountyFayette County
Area Code724/878
Elevation972 ft
Latitude39.787462
Longitude-79.804657
TimezoneNew York (DST)
FIPS42051
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.1% (2,846) Female 49.9% (2,833) ♀

Race & Ethnicity

White: 97.1%Hispanic: 0.2%Black: 0.4%Asian: 0.4%Other: 1.9%Race
White97.1%
Hispanic0.2%
Black0.4%
Asian0.4%
Other1.9%

Age Breakdown

Under 5
4%
5–17
13%
18–24
8%
25–44
23%
45–64
31%
65+
9%

Key Indicators

Median Age45.9 yrs ↑ 2% since 2019
Avg Household Size2.34
Below Poverty8.4% ▼ 16% below avg
College Grads31.6% ▼ 18% below avg
Unemployment6.5% ▲ 33% above avg
No HS Diploma26 (0.7%)
HS Graduate1,780 (46.6%)
Some College460 (12%)
Associates348 (9.1%)
Bachelors482 (12.6%)
Graduate Degree725 (19%)

Education

No HS: 0.7%HS Grad: 46.6%Some College: 12%Associates: 9.1%Bachelors: 12.6%Graduate: 19%Edu
No HS0.7%
HS Grad46.6%
Some College12.0%
Associates9.1%
Bachelors12.6%
Graduate19.0%
Housing & Income

Housing Tenure

Owner: 81.3%Renter: 18.7%Tenure
Owner81.3%
Renter18.7%

Home Value Distribution

Under $50k
12%
$50k–100k
24%
$100k–150k
16%
$150k–200k
12%
$200k–300k
21%
$300k–500k
7%
Over $500k
9%

Financials

Median HH Income$71,311 ≈ Avg ↑ 29% since 2019
Median Home Value$145,700 ▼ 48% below avg ↑ 17% since 2019
Home/Income Ratio2.0x (nat avg ~3.5x)
Median Rent$822/mo ↑ 20% since 2019
Total Units2,730
Vacant Units307
Avg HH Size2.34

Income Distribution

Under $25k
13%
$25k–50k
20%
$50k–75k
16%
$75k–100k
11%
$100k–150k
19%
$150k–200k
14%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
93%
Public Transit
1%
Walked
0%
Work From Home
5%

Commute Time

Under 15 min
21%
15–30 min
40%
30–45 min
20%
Over 45 min
19%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
9%
1960s–1970s
15%
1980s–1990s
11%
2000+
59%

Summary

Total Units2,730
Vacant307
Owner Occupied81.3%
Renter Occupied18.7%
Avg HH Size2.34
Frequently Asked Questions
ZIP code 15478 is in Smithfield, PA, in Fayette County.
ZIP code 15478 is located in Pennsylvania (PA).
ZIP code 15478 is in Fayette County, PA.
ZIP 15478 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 15478 is 5,679 people (ACS 2023).
The median household income in ZIP code 15478 is $71,311 (ACS 2023).
The median home value in ZIP 15478 is $145,700 (ACS 2023).
About ZIP Code 15478

ZIP code 15478 is located in Smithfield, Pennsylvania, within Fayette County. With a population of 5,679, this is a lightly populated ZIP code with a mature community — the median age is 45.9 years. Economically, 15478 is a solidly middle-class ZIP code: the median household income of $71,311 is near the national average.

Real estate in ZIP code 15478 represents one of the more affordable housing markets in the country. The median home value of $145,700 is below the national average. Renters can expect to pay around $822 per month in median rent. Homeownership is strong here — 81.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 17% since 2019.

The population of 15478 is primarily White (97.13%). Residents are moderately educated — 31.6% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 8.4%. Household income has grown by 29% since 2019.

The unemployment rate in 15478 stands at 6.5%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 86%.

Overall, ZIP code 15478 in Smithfield, PA is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 5,679 residents, a median household income of $71,311, and a median home value of $145,700, it offers a clear picture of life in this part of Pennsylvania.