Democrats running for statewide judicial offices this year carried Allegheny County by a much larger margin than presidential candidate Kamala Harris did last year, a trend that defined this year’s elections as Democrats won across Pennsylvania.

Turnout was well above usual odd-year levels, up by 11 percentage points in Allegheny County to 44% of registered voters.

Far fewer people turned out this year than for last year’s presidential race, as is typical for an odd-year election. But those that turned out this year leaned far bluer. 

These four maps help explain what happened at the polls in Southwestern Pennsylvania this week.

At the top of the ticket, Superior Court judge candidate Brandon Neuman captured 67% of the vote in Allegheny County, compared to the 59% share received by Harris last year.

Neuman carried 115 of the county’s 130 municipalities, up from 84 carried by Harris.

Almost all municipalities voted more Democratic this year than last year. The largest shift was in the borough of Wall, which went from a Trump majority last year to Neuman taking 65% of the vote this year. 

The only municipality that shifted to the right this year was Fox Chapel, which shifted just 0.33 percentage points and favored the Democratic candidate by more than 20 points both times.

Turnout surged in Allegheny County over the most recent comparable election in 2021, from 33% to 44%. It didn’t rise uniformly, though, and a few pockets of the county even saw lower participation.

The City of Pittsburgh was near the county average, growing its turnout by about 10 percentage points from four years ago.

In the Pittsburgh mayoral election, Democrat Corey O’Connor swept to an overwhelming victory over Republican nominee Tony Moreno, receiving 88% of the vote. While the race was hardly in doubt leading up to Election Day due to the city’s strong Democratic leaning, O’Connor earned majority support in dozens of precincts where Moreno won majorities four years ago when he ran against outgoing Mayor Ed Gainey.

O’Connor carried all of the city’s 402 precincts, flipping 57 that sided with Moreno last time, most of which were clustered south of the rivers. 

While O’Connor carried every precinct, some voted less Democratic than they did last time, suggesting the switch from Gainey to O’Connor as Democratic nominee may have resulted in a small group of Gainey’s 2021 voters staying home or switching sides.

The precincts that shifted right this year are clustered in the city’s predominantly Black neighborhoods — the northeastern corner that Gainey calls home, the Hill District and parts of the North Side. These locations still favored the Democratic ticket by wide margins, but not as much as they did in 2021.

Charlie Wolfson is the local government reporter for Pittsburgh’s Public Source. He can be reached at charlie@publicsource.org.

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Maps tell the story of 2025 election in Pittsburgh and Allegheny County

by Charlie Wolfson, Pittsburgh's Public Source
November 6, 2025

<h1>Maps tell the story of 2025 election in Pittsburgh and Allegheny County</h1> <p class="byline">by Charlie Wolfson, Pittsburgh's Public Source <br />November 6, 2025</p> <p>Democrats running for statewide judicial offices this year carried Allegheny County by a much larger margin than presidential candidate Kamala Harris did last year, a trend that defined this year’s elections as Democrats won across Pennsylvania.</p> <p>Turnout was well above usual odd-year levels, up by 11 percentage points in Allegheny County to 44% of registered voters.</p> <p>Far fewer people turned out this year than for last year’s presidential race, as is typical for an odd-year election. But those that turned out this year leaned far bluer.&nbsp;</p> <p>These four maps help explain what happened at the polls in Southwestern Pennsylvania this week.</p> <p>At the top of the ticket, Superior Court judge candidate Brandon Neuman captured 67% of the vote in Allegheny County, compared to the 59% share received by Harris last year.</p> <p>Neuman carried 115 of the county’s 130 municipalities, up from 84 carried by Harris.</p> </p> <p>Almost all municipalities voted more Democratic this year than last year. The largest shift was in the borough of Wall, which went from a Trump majority last year to Neuman taking 65% of the vote this year.&nbsp;</p> <p>The only municipality that shifted to the right this year was Fox Chapel, which shifted just 0.33 percentage points and favored the Democratic candidate by more than 20 points both times.</p> </p> <p>Turnout surged in Allegheny County over the most recent comparable election in 2021, from 33% to 44%. It didn’t rise uniformly, though, and a few pockets of the county even saw lower participation.</p> <p>The City of Pittsburgh was near the county average, growing its turnout by about 10 percentage points from four years ago.</p> </p> <p>In the Pittsburgh mayoral election, Democrat Corey O’Connor swept to an overwhelming victory over Republican nominee Tony Moreno, receiving 88% of the vote. While the race was hardly in doubt leading up to Election Day due to the city’s strong Democratic leaning, O’Connor earned majority support in dozens of precincts where Moreno won majorities four years ago when he ran against outgoing Mayor Ed Gainey.</p> <p>O’Connor carried all of the city’s 402 precincts, flipping 57 that sided with Moreno last time, most of which were clustered south of the rivers.&nbsp;</p> <p>While O’Connor carried every precinct, some voted less Democratic than they did last time, suggesting the switch from Gainey to O’Connor as Democratic nominee may have resulted in a small group of Gainey’s 2021 voters staying home or switching sides.</p> </p> <p>The precincts that shifted right this year are clustered in the city’s predominantly Black neighborhoods — the northeastern corner that Gainey calls home, the Hill District and parts of the North Side. These locations still favored the Democratic ticket by wide margins, but not as much as they did in 2021.</p> <p><em>Charlie Wolfson is the local government reporter for Pittsburgh’s Public Source. He can be reached at&nbsp;</em><a href="mailto:charlie@publicsource.org"><em>charlie@publicsource.org</em></a><em>.</em></p> <p>This &lt;a target=&quot;_blank&quot; href=&quot;https://www.publicsource.org/pittsburgh-2025-election-maps/&quot;&gt;article&lt;/a&gt; first appeared on &lt;a target=&quot;_blank&quot; href=&quot;https://www.publicsource.org&quot;&gt;Pittsburgh&#039;s Public Source&lt;/a&gt; and is republished here under a &lt;a target=&quot;_blank&quot; href=&quot;https://creativecommons.org/licenses/by-nd/4.0/&quot;&gt;Creative Commons Attribution-NoDerivatives 4.0 International License&lt;/a&gt;.&lt;img src=&quot;https://i0.wp.com/www.publicsource.org/wp-content/uploads/2025/07/cropped-ps_circle_favicon_blue.png?resize=150%2C150&amp;amp;ssl=1&quot; style=&quot;width:1em;height:1em;margin-left:10px;&quot;&gt;</p> &lt;img id=&quot;republication-tracker-tool-source&quot; src=&quot;https://www.publicsource.org/?republication-pixel=true&amp;post=1326047&amp;amp;ga4=G-CCLXQK5C14&quot; style=&quot;width:1px;height:1px;&quot;&gt;&lt;script&gt; PARSELY = { autotrack: false, onload: function() { PARSELY.beacon.trackPageView({ url: &quot;https://www.publicsource.org/pittsburgh-2025-election-maps/&quot;, urlref: window.location.href }); } } &lt;/script&gt; &lt;script id=&quot;parsely-cfg&quot; src=&quot;//cdn.parsely.com/keys/publicsource.org/p.js&quot;&gt;&lt;/script&gt;

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