Pennsylvania Allegheny County

Mount Oliver

A borough in Allegheny County, Pennsylvania — population 3,257 as of 2020.

Open the map Official city site

This Afternoon 80°F Mostly Sunny
Tonight 64°F Mostly Cloudy1% precip
Saturday 80°F Slight Chance Showers And Thunderstorms70% precip
Saturday Night 66°F Showers And Thunderstorms80% precip

News around Allegheny County

Newest first · from sources across Allegheny County · checked 57 min ago
ButlerRadio.com 3 hours ago

Tommy “Tom” G. Hartzell, 70, of Butler passed away on Monday, September 7, 2026. He was born in Pittsburgh on May 5, 1956, to the late Robert and Earlene (Weaver) Hartzell. Tom graduated from Seneca Valley High School in 1974. He worked at Doyle Equipment and Power Up as a diesel…

Obituaries
ButlerRadio.com 5 hours ago

The Pittsburgh Pirates defeated the Chicago White Sox 2-0 last night to complete a three-game series sweep. Jared Jones took a no-hitter into the seventh inning, before allowing a two-out double. He ended the night allowing just the one hit while walking two and striking out…

General
ButlerRadio.com 5 hours ago

The Pittsburgh Steelers open their season Sunday when they host the Atlanta Falcons at Acrisure Stadium. Kick-off is 1pm. Pre-game on WISR begins at noon. In the first international game of the NFL season, the San Francisco 49ers defeated the Los Angeles Rams 27-7 last night in…

General
ButlerRadio.com September 8

The Pittsburgh Pirates open a six-game road trip to Chicago tonight, with the first of three games with the White Sox. First pitch is 7:40pm. WISR pre-game begins at 7:15pm. Bubba Chandler will start for the Pirates. He is 6-9 this season with a 4.30 ERA. The Pirates begin the…

General
ButlerRadio.com September 8

The Pittsburgh Steelers open their regular season this Sunday at Acrisure Stadium when they host the Atlanta Falcons. Kick-off is 1pm. On Monday, the Falcons announced former Miami quarterback Tua Tagavailoa will be their starter this weekend. The Falcons are under the direction…

General
WCCS Radio September 5

Today marks week one of the NCAA Division One college football season. The Pitt Panthers will be in action as part of a busy day at Acrisure Stadium a...

General

In and around Mount Oliver

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Mount Oliver by the numbers

Population 3,257Population figure, 2020
Households & income
Area
0.34 sq mi (0.88 km²)
Median age
36.1
Households
1,199
Persons per household
2.8
Median household income
$52,297
Median house value
$96,900
2020–2024 ACS
Municipal office
Office
SECRETARY
Address
150 BROWNSVILLE RD, PITTSBURGH, PA 15210
Municipal record
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