Pennsylvania · Census place 4251744

Mount Oliver, Pennsylvania

Mount Oliver is a borough in Allegheny County, Pennsylvania with an estimated 3,259 residents on July 1, 2024. It is the 296th largest of 597 incorporated places of 1,000+ people in the state.

Population 2024
3,259
#296 of 597 in Pennsylvania
Change since 2020
-3.7%
-126 people
Land area
0.3 sq mi
Density
9,585 / sq mi
State median 3,911
Orange pin: Mount Oliver. Shaded: its county. Dark pin: Harrisburg.

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Tools and pages that start from Mount Oliver

Mount Oliver population, 2020 to 2024

Mount Oliver lost 126 residents from July 2020 to July 2024, a change of -3.7%. In the latest year it moved by -16.

3,38520203,34920213,30320223,27520233,2592024
July 1 estimates. The April 2020 estimates base was 3,390. The axis starts above zero so yearly changes are visible.

Mount Oliver covers 0.34 square miles of land, for 9,585 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Mount Oliver is denser than the typical town.

What county Mount Oliver is in

All of Mount Oliver's residents live in Allegheny County, which had 1,231,814 residents in 2024. Mount Oliver 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 Mount Oliver

1 ZIP Code Tabulation Area (ZCTA) overlaps Mount Oliver by at least 10% of the ZCTA's or the borough's land: 15210. 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 Mount Oliver is

The Census internal point of Mount Oliver is at 40.411300, -79.985600. Harrisburg, the capital, is 163.7 miles E in a straight line. The nearest larger place is Pittsburgh, PA (307,668 people), 2.1 miles away.

Internal point

Decimal
40.411300, -79.985600
DMS
40°24'40.68"N 79°59'8.16"W
UTM
17N 586067.9E 4473903.1N
Geohash
dppjguskb
Plus code
87G2C267+GQ

Daylight in Mount Oliver

At 40.41° N, Mount Oliver gets about 15 h 04 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Mount Oliver

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Pittsburgh, 2.0 miles away, with 307,668 people.

Questions people ask

What is the population of Mount Oliver, PA?

3,259 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 126 (3.7%) from 3,385 in July 2020.

What county is Mount Oliver in?

Allegheny County. All of its residents live in that county.

What ZIP codes cover Mount Oliver?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 15210.

How far is Mount Oliver from Harrisburg?

163.7 miles (263.4 km) in a straight line, heading E from Mount Oliver.

What is the nearest larger city to Mount Oliver?

Pittsburgh, PA, with 307,668 residents, 2.1 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.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.