US ZIP Code
15143

Sewickley, PA

Allegheny County  ·  Pennsylvania

● Active
👥 21,949 Population ↑ 4% since 2019
💰 $125,339 Median HH Income
▲ 64% above avg ↑ 28% since 2019
🎂 46.3 Median Age
🏠 $434,900 Median Home Value
▲ 56% above avg ↑ 29% since 2019
🎓 70.4% College Grads
▲ 82% above avg
📊 4.8% Unemployment
≈ Avg ↑ 89% since 2019
ZIP Code Details
ZIP Code15143
CitySewickley
StatePennsylvania (PA)
CountyAllegheny County
Area Code412
Elevation1,152 ft
Latitude40.568138
Longitude-80.146807
TimezoneNew York (DST)
FIPS42003
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.6% (10,665) Female 51.4% (11,284) ♀

Race & Ethnicity

White: 83.1%Hispanic: 1.3%Black: 3.2%Asian: 8.2%Other: 3.9%Race
White83.1%
Hispanic1.3%
Black3.2%
Asian8.2%
Other3.9%

Age Breakdown

Under 5
5%
5–17
18%
18–24
5%
25–44
20%
45–64
28%
65+
8%

Key Indicators

Median Age46.3 yrs
Avg Household Size2.50
Below Poverty3.4% ▼ 66% below avg
College Grads70.4% ▲ 82% above avg
Unemployment4.8% ≈ Avg
No HS Diploma197 (1.3%)
HS Graduate2,087 (14%)
Some College972 (6.5%)
Associates1,171 (7.8%)
Bachelors1,592 (10.7%)
Graduate Degree8,910 (59.7%)

Education

No HS: 1.3%HS Grad: 14%Some College: 6.5%Associates: 7.8%Bachelors: 10.7%Graduate: 59.7%Edu
No HS1.3%
HS Grad14.0%
Some College6.5%
Associates7.8%
Bachelors10.7%
Graduate59.7%
Housing & Income

Housing Tenure

Owner: 81.2%Renter: 18.9%Tenure
Owner81.2%
Renter18.9%

Home Value Distribution

Under $50k
2%
$50k–100k
2%
$100k–150k
3%
$150k–200k
7%
$200k–300k
16%
$300k–500k
32%
Over $500k
38%

Financials

Median HH Income$125,339 ▲ 64% above avg ↑ 28% since 2019
Median Home Value$434,900 ▲ 56% above avg ↑ 29% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,356/mo ↑ 7% since 2019
Total Units9,411
Vacant Units800
Avg HH Size2.50

Income Distribution

Under $25k
7%
$25k–50k
11%
$50k–75k
11%
$75k–100k
11%
$100k–150k
15%
$150k–200k
12%
Over $200k
33%
Employment & Commute

How People Get to Work

Drove Alone
71%
Public Transit
1%
Walked
3%
Work From Home
24%

Commute Time

Under 15 min
21%
15–30 min
42%
30–45 min
28%
Over 45 min
10%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
12%
1960s–1970s
11%
1980s–1990s
11%
2000+
64%

Summary

Total Units9,411
Vacant800
Owner Occupied81.2%
Renter Occupied18.9%
Avg HH Size2.50
Frequently Asked Questions
ZIP code 15143 is in Sewickley, PA, in Allegheny County.
ZIP code 15143 is located in Pennsylvania (PA).
ZIP code 15143 is in Allegheny County, PA.
ZIP 15143 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 15143 is 21,949 people (ACS 2023).
The median household income in ZIP code 15143 is $125,339 (ACS 2023).
The median home value in ZIP 15143 is $434,900 (ACS 2023).
About ZIP Code 15143

ZIP code 15143 is located in Sewickley, Pennsylvania, within Allegheny County. With a population of 21,949, this is a moderately populated ZIP code with a mature community — the median age is 46.3 years. Economically, 15143 is a upper-middle-income ZIP code: the median household income of $125,339 is significantly above the national average.

Real estate in ZIP code 15143 represents a premium housing market. The median home value of $434,900 is significantly above the national average. Renters can expect to pay around $1,356 per month in median rent. Homeownership is strong here — 81.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 15143 is primarily White (83.12%). Residents are highly educated — 70.4% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.4%. Household income has grown by 28% since 2019.

The unemployment rate in 15143 stands at 4.8%, which is near the national average. About 23% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 67%.

Overall, ZIP code 15143 in Sewickley, PA is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 21,949 residents, a median household income of $125,339, and a median home value of $434,900, it offers a clear picture of life in this part of Pennsylvania.