Pennsylvania · Census place 4269376
Sewickley, Pennsylvania
Sewickley is a borough in Allegheny County, Pennsylvania with an estimated 3,770 residents on July 1, 2024. It is the 269th largest of 597 incorporated places of 1,000+ people in the state.
- Population 2024
- 3,770
- #269 of 597 in Pennsylvania
- Change since 2020
- -3.4%
- -131 people
- Land area
- 1.0 sq mi
- + 0.14 sq mi water
- Density
- 3,770 / sq mi
- State median 3,911
Measure from here
Tools and pages that start from Sewickley
Sewickley population, 2020 to 2024
Sewickley lost 131 residents from July 2020 to July 2024, a change of -3.4%. In the latest year it moved by -17.
Sewickley covers 1.00 square miles of land and 0.14 of water, for 3,770 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Sewickley is close to the typical town.
What county Sewickley is in
All of Sewickley's residents live in Allegheny County, which had 1,231,814 residents in 2024. Sewickley holds 0.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Sewickley
1 ZIP Code Tabulation Area (ZCTA) overlaps Sewickley by at least 10% of the ZCTA's or the borough's land: 15143. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.
Where Sewickley is
The Census internal point of Sewickley is at 40.539700, -80.178900. Harrisburg, the capital, is 174.4 miles E in a straight line. The nearest larger place is Coraopolis, PA (5,340 people), 1.9 miles away. The nearest city of 100,000 or more is Pittsburgh, PA, 12.7 miles away.
Internal point
- Decimal
- 40.539700, -80.178900
- DMS
- 40°32'22.92"N 80°10'44.04"W
- UTM
- 17N 569534.3E 4487985.3N
- Geohash
- dpnyxkp8b
- Plus code
- 86GXGRQC+VC
Daylight in Sewickley
At 40.54° N, Sewickley gets about 15 h 05 min of daylight around the June solstice and 9 h 16 min around the December solstice, a swing of 5 h 48 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Sewickley
The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Edgeworth, 1.2 miles away, with 1,631 people.
Questions people ask
What is the population of Sewickley, PA?
3,770 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 131 (3.4%) from 3,901 in July 2020.
What county is Sewickley in?
Allegheny County. All of its residents live in that county.
What ZIP codes cover Sewickley?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 15143.
How far is Sewickley from Harrisburg?
174.4 miles (280.7 km) in a straight line, heading E from Sewickley.
What is the nearest larger city to Sewickley?
Coraopolis, PA, with 5,340 residents, 1.9 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.