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West Mifflin borough, PA


Allegheny County, PA

Tracts in this county

   

2022 population: 19,506   ( 807 from 2010 )
Land area: 14.2 square miles
Population density: 1371.9 persons per square mile

2022 Census data
White:16,382 83.98% 5.9%
Black:1,8279.37% 16.9%
Indian:00.00% 100.0%
Asian:2811.44% 264.9%
2+ races:6763.47% 102.4%
Hispanic:3401.74% 35.5%
Total non-White:3,12416.02% 7.6%

2010-2022 ComponentsNumberRate
Change in White population:-1,028 -6.1
Change in Non-White pop.:221 1.3



Historical Presidential Election Results for West Mifflin borough, PA

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +473 D +255 D + 2.2%
D +728
2020 vs. 2012 R +1,192 R +1,098 R + 11.5%
D +94
2020 vs. 2008 R +840 R +1,215 R + 11.5%
D -375
2016 vs. 2008 R +367 R +1,470 R + 13.8%
D -1,103
How to interpret this table


Click on the Year to view municipality-level data for this county.
(Some years may be unavailable)

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 71% Joe Biden (D) 5,703 50.6% Donald Trump* (R) 5,397 47.9% 171 1.5% 11,271 -1 1 0.16%
2016 64% Hillary Clinton (D) 4,975 48.3% Donald Trump (R) 4,924 47.8% 402 3.9% 10,301 0 2 0.17%
2012 62% Barack Obama* (D) 5,609 56.2% Mitt Romney (R) 4,205 42.2% 162 1.6% 9,976 -4 -5 0.17%
2008 66% Barack Obama (D) 6,078 56.1% John McCain (R) 4,557 42.0% 203 1.9% 10,838 -2 -4 0.18%
2004 66% John Kerry (D) 6,888 61.3% George W. Bush* (R) 4,240 37.7% 108 1.0% 11,236 -11 -13 0.19%
2000 60% Albert Gore, Jr. (D) 6,653 63.2% George W. Bush (R) 3,509 33.3% 360 3.4% 10,522 -13 -15 0.21%
* incumbent         PSV: percent of state vote



2020 President, West Mifflin borough
CandidateVotesPct
Joe Biden (D) 5,703 50.6%
Donald Trump* (R) 5,397 47.9%
Jo Jorgensen (Lbt) 126 1.1%
Other 45 0.4%
TOTAL 11,271
Turnout: 71% Diff (St): -1 Diff (US): 1


2016 President, West Mifflin borough
CandidateVotesPct
Hillary Clinton (D) 4,975 48.3%
Donald Trump (R) 4,924 47.8%
Gary Johnson (Lbt) 228 2.2%
Other 174 1.7%
TOTAL 10,301
Turnout: 64% Diff (St): 0 Diff (US): 2


2012 President, West Mifflin borough
CandidateVotesPct
Barack Obama* (D) 5,609 56.2%
Mitt Romney (R) 4,205 42.2%
Other 162 1.6%
TOTAL 9,976
Turnout: 62% Diff (St): -4 Diff (US): -5


2008 President, West Mifflin borough
CandidateVotesPct
Barack Obama (D) 6,078 56.1%
John McCain (R) 4,557 42.0%
Other 203 1.9%
TOTAL 10,838
Turnout: 66% Diff (St): -2 Diff (US): -4


2004 President, West Mifflin borough
CandidateVotesPct
George W. Bush* (R) 4,240 37.7%
John Kerry (D) 6,888 61.3%
Other 108 1.0%
TOTAL 11,236
Turnout: 66% Diff (St): -11 Diff (US): -13


2000 President, West Mifflin borough
CandidateVotesPct
George W. Bush (R) 3,509 33.3%
Albert Gore, Jr. (D) 6,653 63.2%
Ralph Nader (Grn) 166 1.6%
Other 194 1.8%
TOTAL 10,522
Turnout: 60% Diff (St): -13 Diff (US): -15
* incumbent

Historical Statewide Election Results for West Mifflin borough, PA

Click on the Year to view county-level data for that election.
(Some years may be unavailable)

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 55% John Fetterman (D) 5,028 57.4% Mehmet Oz (R) 3,541 40.5% 183 [+] 2.1% 8,752 -6 0.16%
2022 G 55% Josh Shapiro (D) 5,491 62.8% Doug Mastriano (R) 3,081 35.3% 167 [+] 1.9% 8,739 -6 0.16%
2018 S1 50% Bob Casey, Jr.* (D) 4,918 61.7% Lou Barletta (R) 2,899 36.4% 155 [+] 1.9% 7,972 -6 0.16%
2018 G 50% Tom Wolf* (D) 5,120 64.0% Scott Wagner (R) 2,757 34.5% 118 [+] 1.5% 7,995 -6 0.16%
2016 S3 63% Katie McGinty (D) 5,259 52.1% Pat Toomey* (R) 4,206 41.6% 637 [+] 6.3% 10,102 -7 0.17%
2014 G 35% Tom Wolf (D) 3,603 63.6% Tom Corbett* (R) 2,062 36.4% 0 0.0% 5,665 -9 0.16%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote