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South Plainfield borough, NJ


Middlesex County, NJ

Tracts in this county

   

2022 population: 24,273   ( 888 from 2010 )
Land area: 8.3 square miles
Population density: 2925.8 persons per square mile

2022 Census data
White:11,893 49.00% 14.1%
Black:2,75711.36% 21.7%
Indian:270.11% 64.5%
Asian:4,12316.99% 20.2%
2+ races:7873.24% 58.0%
Hispanic:4,47618.44% 44.5%
Total non-White:12,38051.00% 29.8%

2010-2022 ComponentsNumberRate
Change in White population:-1,957 -10.1
Change in Non-White pop.:2,845 14.7



Historical Presidential Election Results for South Plainfield borough, NJ

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +658 D +334 D + 1.9%
D +992
2020 vs. 2012 R +1,403 R +675 R + 8.8%
D +728
2020 vs. 2008 R +649 D +76 R + 0.4%
D +725
2016 vs. 2008 R -9 R +258 R + 2.3%
D -267
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 64% Joe Biden (D) 6,448 53.4% Donald Trump* (R) 5,446 45.1% 188 1.6% 12,082 4 -2 0.26%
2016 57% Hillary Clinton (D) 5,456 51.1% Donald Trump (R) 4,788 44.8% 440 4.1% 10,684 4 -1 0.27%
2012 54% Barack Obama* (D) 5,720 58.0% Mitt Romney (R) 4,043 41.0% 106 1.1% 9,869 0 -6 0.27%
2008 60% Barack Obama (D) 5,723 53.8% John McCain (R) 4,797 45.1% 110 1.0% 10,630 4 0 0.27%
2004 57% John Kerry (D) 4,893 50.1% George W. Bush* (R) 4,808 49.2% 67 0.7% 9,768 3 -1 0.27%
* incumbent         PSV: percent of state vote



2020 President, South Plainfield borough
CandidateVotesPct
Joe Biden (D) 6,448 53.4%
Donald Trump* (R) 5,446 45.1%
Jo Jorgensen (Lbt) 106 0.9%
Other 82 0.7%
TOTAL 12,082
Turnout: 64% Diff (St): 4 Diff (US): -2


2016 President, South Plainfield borough
CandidateVotesPct
Hillary Clinton (D) 5,456 51.1%
Donald Trump (R) 4,788 44.8%
Gary Johnson (Lbt) 213 2.0%
Other 227 2.1%
TOTAL 10,684
Turnout: 57% Diff (St): 4 Diff (US): -1


2012 President, South Plainfield borough
CandidateVotesPct
Barack Obama* (D) 5,720 58.0%
Mitt Romney (R) 4,043 41.0%
Other 106 1.1%
TOTAL 9,869
Turnout: 54% Diff (St): 0 Diff (US): -6


2008 President, South Plainfield borough
CandidateVotesPct
Barack Obama (D) 5,723 53.8%
John McCain (R) 4,797 45.1%
Other 110 1.0%
TOTAL 10,630
Turnout: 60% Diff (St): 4 Diff (US): 0


2004 President, South Plainfield borough
CandidateVotesPct
George W. Bush* (R) 4,808 49.2%
John Kerry (D) 4,893 50.1%
Ralph Nader (I) 46 0.5%
Other 21 0.2%
TOTAL 9,768
Turnout: 57% Diff (St): 3 Diff (US): -1
* incumbent

Historical Statewide Election Results for South Plainfield borough, NJ

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2021 G 37% Jack Ciattarelli (R) 3,534 51.0% Phil Murphy* (D) 3,330 48.0% 72 [+] 1.0% 6,936 3 0.27%
2020 S2 63% Cory Booker* (D) 6,625 55.1% Rik Mehta (R) 5,139 42.7% 259 [+] 2.2% 12,023 2 0.27%
2018 S1 47% Robert Menendez* (D) 4,376 49.4% Bob Hugin (R) 4,212 47.6% 270 [+] 3.0% 8,858 7 0.28%
2017 G 34% Kim Guadagno (R) 3,173 49.9% Phil Murphy (D) 3,070 48.3% 115 [+] 1.8% 6,358 8 0.30%
2014 S2 31% Cory Booker* (D) 2,853 50.7% Jeffrey Bell (R) 2,693 47.9% 79 [+] 1.4% 5,625 6 0.30%
*: 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