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Delaware County, PA


Metropolitan Statistical Area: Philadelphia-Camden-Wilmington, PA-DE-MD-NJ
Designated Market Area: Philadelphia, PA-DE-NJ
American Communities Project County Type (2023): Urban Suburbs

Places in Delaware County, PA     [Sort places by name]

 

Tracts in Delaware County, PA

   



Click here to view demographic data for Delaware County, PA

2022 population: 575,182   ( 16,203 from 2010 , 1,660 from 2020)
Land area: 183.8 square miles
Population density: 3129.2 persons per square mile

2022 Census data
White:366,167 63.66% 7.9%
Black:130,62822.71% 20.7%
Indian:7730.13% 14.7%
Asian:38,3456.67% 46.0%
2+ races:12,3882.15% 35.7%
Hispanic:26,8814.67% 62.6%
Total non-White:209,01536.34% 29.4%

2020-2022 ComponentsNumberRate
Births:14,295 12.4
Deaths:14,47712.5
Net Migration: -4,273-3.7
Net Immigration: 2,3112.0
Change in White population:-31,257 -5.6
Change in Non-White pop.:47,460 8.5



Historical Presidential Election Results for Delaware County, PA

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +3,387 R +12,692 R + 3.5%
D -9,305
2020 vs. 2016 R +7,972 D +21,335 D + 3.9%
D +29,307
2020 vs. 2012 R +7,786 D +27,131 D + 5.5%
D +34,917
2020 vs. 2008 R +3,366 D +24,473 D + 5.4%
D +27,839
2016 vs. 2008 R -4,606 D +3,138 D + 1.5%
D -1,468
How to interpret this table


Click on the Year to view county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2024 72% Kamala Harris (D) 197,404 61.2% Donald Trump (R) 122,026 37.8% 3,349 [+] 1.0% 322,779 -13 -12 4.59%
2020 74% Joe Biden (D) 206,709 62.8% Donald Trump* (R) 118,639 36.0% 4,056 [+] 1.2% 329,404 -13 -11 4.75%
2016 68% Hillary Clinton (D) 177,402 59.3% Donald Trump (R) 110,667 37.0% 11,267 [+] 3.8% 299,336 -11 -9 4.85%
2012 66% Barack Obama* (D) 171,792 60.2% Mitt Romney (R) 110,853 38.8% 2,919 [+] 1.0% 285,564 -8 -8 4.96%
2008 70% Barack Obama (D) 178,870 60.1% John McCain (R) 115,273 38.7% 3,367 [+] 1.1% 297,510 -5 -7 4.95%
2004 68% John Kerry (D) 162,601 57.1% George W. Bush* (R) 120,425 42.3% 1,512 [+] 0.5% 284,538 -6 -8 4.93%
2000 60% Albert Gore, Jr. (D) 134,861 54.4% George W. Bush (R) 105,836 42.7% 7,380 [+] 3.0% 248,077 -4 -5 5.05%
1996 56% Bill Clinton* (D) 115,946 49.4% Robert Dole (R) 92,628 39.5% 26,174 [+] 11.1% 234,748 -1 -1 5.21%
1992 63% Bill Clinton (D) 111,210 41.8% George Bush* (R) 108,587 40.8% 46,277 [+] 17.4% 266,074 5 3 5.36%
1988 59% George Bush (R) 147,656 59.9% Michael Dukakis (D) 96,144 39.0% 2,505 [+] 1.0% 246,305 9 7 5.43%
1984 63% Ronald Reagan* (R) 161,754 61.8% Walter Mondale (D) 98,207 37.5% 1,821 0.7% 261,782 8 3 5.40%
1980 62% Ronald Reagan (R) 143,282 55.8% Jimmy Carter* (D) 88,314 34.4% 25,263 [+] 9.8% 256,859 6 5 5.63%
1976 67% Gerald Ford* (R) 148,679 54.9% Jimmy Carter (D) 117,252 43.3% 4,963 [+] 1.8% 270,894 7 7 5.86%
1972 66% Richard Nixon* (R) 175,414 63.9% George McGovern (D) 94,144 34.3% 4,893 [+] 1.8% 274,451 5 3 5.98%
1968 71% Richard Nixon (R) 133,777 50.2% Hubert Humphrey (D) 106,695 40.0% 25,964 [+] 9.7% 266,436 6 7 5.61%
1964 71% Lyndon Johnson* (D) 147,189 56.8% Barry Goldwater (R) 111,189 42.9% 717 0.3% 259,095 8 4 5.37%
1960 74% Richard Nixon (R) 135,672 52.0% John Kennedy (D) 124,629 47.8% 482 0.2% 260,783 3 2 5.21%
1956 68% Dwight Eisenhower* (R) 143,663 63.5% Adlai Stevenson (D) 82,024 36.3% 523 0.2% 226,210 7 6 4.94%
1952 71% Dwight Eisenhower (R) 129,743 61.6% Adlai Stevenson (D) 80,316 38.1% 689 0.3% 210,748 9 6 4.60%
1948 60% Thomas Dewey (R) 93,412 60.9% Harry Truman* (D) 57,156 37.3% 2,747 [+] 1.8% 153,315 10 16 4.10%
1944 63% Thomas Dewey (R) 78,533 54.8% Franklin Roosevelt* (D) 64,021 44.7% 755 0.5% 143,309 6 9 3.78%
1940 70% Wendell Willkie (R) 80,158 56.9% Franklin Roosevelt* (D) 60,225 42.7% 534 0.4% 140,917 11 12 3.45%
1936 81% Alf Landon (R) 74,899 52.4% Franklin Roosevelt* (D) 65,117 45.5% 2,997 [+] 2.1% 143,013 12 16 3.46%
1932 65% Herbert Hoover* (R) 75,291 68.2% Franklin Roosevelt (D) 32,413 29.4% 2,705 [+] 2.4% 110,409 17 29 3.86%
1928 75% Herbert Hoover (R) 83,092 73.6% Al Smith (D) 29,378 26.0% 471 [+] 0.4% 112,941 8 15 3.58%
1924 41% Calvin Coolidge (R) 41,998 81.8% John Davis (D) 6,368 12.4% 2,979 [+] 5.8% 51,345 16 28 2.39%
1920 45% Warren Harding (R) 34,126 75.3% James Cox (D) 9,602 21.2% 1,565 [+] 3.5% 45,293 10 15 2.45%
1916 28% Charles Evans Hughes (R) 16,315 66.0% Woodrow Wilson* (D) 7,742 31.3% 677 [+] 2.7% 24,734 12 20 1.91%
1912 31% William Taft* (R) 8,418 36.2% Theodore Roosevelt (Prog) 8,272 35.6% 6,548 [+] 28.2% 23,238 14 13 1.91%
1908 33% William Taft (R) 15,184 70.8% William J. Bryan (D) 5,727 26.7% 550 [+] 2.6% 21,461 12 19 1.70%
1904 32% Theodore Roosevelt (R) 15,032 78.1% Alton Parker (D) 3,586 18.6% 618 [+] 3.2% 19,236 10 22 1.56%
1900 34% William McKinley* (R) 13,794 75.0% William J. Bryan (D) 4,249 23.1% 358 [+] 1.9% 18,401 14 23 1.57%
* incumbent         PSV: percent of state vote



2020 President, Delaware County, PA
CandidateVotesPct
Joe Biden (D) 206,709 62.8%
Donald Trump* (R) 118,639 36.0%
Jo Jorgensen (Lbt) 2,981 0.9%
Other 1,075 0.3%
TOTAL 329,404
Turnout: 74% Diff (St): -13 Diff (US): -11


2016 President, Delaware County, PA
CandidateVotesPct
Hillary Clinton (D) 177,402 59.3%
Donald Trump (R) 110,667 37.0%
Gary Johnson (Lbt) 5,992 2.0%
Jill Stein (Grn) 2,588 0.9%
Other 2,687 0.9%
TOTAL 299,336
Turnout: 68% Diff (St): -11 Diff (US): -9


2012 President, Delaware County, PA
CandidateVotesPct
Barack Obama* (D) 171,792 60.2%
Mitt Romney (R) 110,853 38.8%
Gary Johnson (Lbt) 2,002 0.7%
Other 917 0.3%
TOTAL 285,564
Turnout: 66% Diff (St): -8 Diff (US): -8


2008 President, Delaware County, PA
CandidateVotesPct
Barack Obama (D) 178,870 60.1%
John McCain (R) 115,273 38.7%
Ralph Nader (I) 1,955 0.7%
Bob Barr (Lbt) 906 0.3%
Other 506 0.2%
TOTAL 297,510
Turnout: 70% Diff (St): -5 Diff (US): -7


2004 President, Delaware County, PA
CandidateVotesPct
George W. Bush* (R) 120,425 42.3%
John Kerry (D) 162,601 57.1%
Other 1,512 0.5%
TOTAL 284,538
Turnout: 68% Diff (St): -6 Diff (US): -8


2000 President, Delaware County, PA
CandidateVotesPct
George W. Bush (R) 105,836 42.7%
Albert Gore, Jr. (D) 134,861 54.4%
Ralph Nader (Grn) 5,348 2.2%
Pat Buchanan (Ref) 587 0.2%
Other 1,445 0.6%
TOTAL 248,077
Turnout: 60% Diff (St): -4 Diff (US): -5


1996 President, Delaware County, PA
CandidateVotesPct
Bill Clinton* (D) 115,946 49.4%
Robert Dole (R) 92,628 39.5%
Ross Perot (Ref) 21,883 9.3%
Harry Browne (Lbt) 2,371 1.0%
Other 1,920 0.8%
TOTAL 234,748
Turnout: 56% Diff (St): -1 Diff (US): -1


1992 President, Delaware County, PA
CandidateVotesPct
Bill Clinton (D) 111,210 41.8%
George Bush* (R) 108,587 40.8%
Ross Perot (I) 43,728 16.4%
Other 2,549 1.0%
TOTAL 266,074
Turnout: 63% Diff (St): 5 Diff (US): 3


1988 President, Delaware County, PA
CandidateVotesPct
George Bush (R) 147,656 59.9%
Michael Dukakis (D) 96,144 39.0%
Ron Paul (Lbt) 1,114 0.5%
Other 1,391 0.6%
TOTAL 246,305
Turnout: 59% Diff (St): 9 Diff (US): 7


1984 President, Delaware County, PA
CandidateVotesPct
Ronald Reagan* (R) 161,754 61.8%
Walter Mondale (D) 98,207 37.5%
Other 1,821 0.7%
TOTAL 261,782
Turnout: 63% Diff (St): 8 Diff (US): 3


1980 President, Delaware County, PA
CandidateVotesPct
Ronald Reagan (R) 143,282 55.8%
Jimmy Carter* (D) 88,314 34.4%
John Anderson (I) 20,907 8.1%
Edward Clark (Lbt) 1,692 0.7%
Other 2,664 1.0%
TOTAL 256,859
Turnout: 62% Diff (St): 6 Diff (US): 5


1976 President, Delaware County, PA
CandidateVotesPct
Jimmy Carter (D) 117,252 43.3%
Gerald Ford* (R) 148,679 54.9%
Eugene McCarthy (I) 2,995 1.1%
Other 1,968 0.7%
TOTAL 270,894
Turnout: 67% Diff (St): 7 Diff (US): 7


1972 President, Delaware County, PA
CandidateVotesPct
Richard Nixon* (R) 175,414 63.9%
George McGovern (D) 94,144 34.3%
John Schmitz (Amer) 4,502 1.6%
Other 391 0.1%
TOTAL 274,451
Turnout: 66% Diff (St): 5 Diff (US): 3


1968 President, Delaware County, PA
CandidateVotesPct
Richard Nixon (R) 133,777 50.2%
Hubert Humphrey (D) 106,695 40.0%
George Wallace (AIP) 25,051 9.4%
Other 913 0.3%
TOTAL 266,436
Turnout: 71% Diff (St): 6 Diff (US): 7


1964 President, Delaware County, PA
CandidateVotesPct
Lyndon Johnson* (D) 147,189 56.8%
Barry Goldwater (R) 111,189 42.9%
Other 717 0.3%
TOTAL 259,095
Turnout: 71% Diff (St): 8 Diff (US): 4


1960 President, Delaware County, PA
CandidateVotesPct
John Kennedy (D) 124,629 47.8%
Richard Nixon (R) 135,672 52.0%
Other 482 0.2%
TOTAL 260,783
Turnout: 74% Diff (St): 3 Diff (US): 2


1956 President, Delaware County, PA
CandidateVotesPct
Dwight Eisenhower* (R) 143,663 63.5%
Adlai Stevenson (D) 82,024 36.3%
Other 523 0.2%
TOTAL 226,210
Turnout: 68% Diff (St): 7 Diff (US): 6


1952 President, Delaware County, PA
CandidateVotesPct
Dwight Eisenhower (R) 129,743 61.6%
Adlai Stevenson (D) 80,316 38.1%
Other 689 0.3%
TOTAL 210,748
Turnout: 71% Diff (St): 9 Diff (US): 6


1948 President, Delaware County, PA
CandidateVotesPct
Harry Truman* (D) 57,156 37.3%
Thomas Dewey (R) 93,412 60.9%
Henry Wallace (Prog) 1,562 1.0%
Other 1,185 0.8%
TOTAL 153,315
Turnout: 60% Diff (St): 10 Diff (US): 16


1944 President, Delaware County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 64,021 44.7%
Thomas Dewey (R) 78,533 54.8%
Other 755 0.5%
TOTAL 143,309
Turnout: 63% Diff (St): 6 Diff (US): 9


1940 President, Delaware County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 60,225 42.7%
Wendell Willkie (R) 80,158 56.9%
Other 534 0.4%
TOTAL 140,917
Turnout: 70% Diff (St): 11 Diff (US): 12


1936 President, Delaware County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 65,117 45.5%
Alf Landon (R) 74,899 52.4%
William Lemke (Union) 2,140 1.5%
Norman Thomas (Soc) 610 0.4%
Other 247 0.2%
TOTAL 143,013
Turnout: 81% Diff (St): 12 Diff (US): 16


1932 President, Delaware County, PA
CandidateVotesPct
Franklin Roosevelt (D) 32,413 29.4%
Herbert Hoover* (R) 75,291 68.2%
Norman Thomas (Soc) 2,372 2.1%
Other 333 0.3%
TOTAL 110,409
Turnout: 65% Diff (St): 17 Diff (US): 29


1928 President, Delaware County, PA
CandidateVotesPct
Herbert Hoover (R) 83,092 73.6%
Al Smith (D) 29,378 26.0%
Norman Thomas (Soc) 305 0.3%
Other 166 0.1%
TOTAL 112,941
Turnout: 75% Diff (St): 8 Diff (US): 15


1924 President, Delaware County, PA
CandidateVotesPct
Calvin Coolidge (R) 41,998 81.8%
John Davis (D) 6,368 12.4%
Robert LaFollette (Prog) 2,750 5.4%
Other 229 0.4%
TOTAL 51,345
Turnout: 41% Diff (St): 16 Diff (US): 28


1920 President, Delaware County, PA
CandidateVotesPct
Warren Harding (R) 34,126 75.3%
James Cox (D) 9,602 21.2%
Eugene Debs (Soc) 697 1.5%
Parley Christiansen (FL) 153 0.3%
Aaron Watkins (Proh) 670 1.5%
Other 45 0.1%
TOTAL 45,293
Turnout: 45% Diff (St): 10 Diff (US): 15


1916 President, Delaware County, PA
CandidateVotesPct
Woodrow Wilson* (D) 7,742 31.3%
Charles Evans Hughes (R) 16,315 66.0%
Allan Benson (Soc) 212 0.9%
James Hanly (Proh) 464 1.9%
Other 1 0.0%
TOTAL 24,734
Turnout: 28% Diff (St): 12 Diff (US): 20


1912 President, Delaware County, PA
CandidateVotesPct
Woodrow Wilson (D) 6,001 25.8%
Theodore Roosevelt (Prog) 8,272 35.6%
William Taft* (R) 8,418 36.2%
Eugene Debs (Soc) 374 1.6%
Eugene Chafin (Proh) 170 0.7%
Other 3 0.0%
TOTAL 23,238
Turnout: 31% Diff (St): 14 Diff (US): 13


1908 President, Delaware County, PA
CandidateVotesPct
William Taft (R) 15,184 70.8%
William J. Bryan (D) 5,727 26.7%
Eugene Debs (Soc) 168 0.8%
Eugene Chafin (Proh) 363 1.7%
Thomas Hisgen (I) 12 0.1%
Other 7 0.0%
TOTAL 21,461
Turnout: 33% Diff (St): 12 Diff (US): 19


1904 President, Delaware County, PA
CandidateVotesPct
Theodore Roosevelt (R) 15,032 78.1%
Alton Parker (D) 3,586 18.6%
Eugene Debs (Soc) 207 1.1%
Silas Swallow (Proh) 391 2.0%
Other 20 0.1%
TOTAL 19,236
Turnout: 32% Diff (St): 10 Diff (US): 22


1900 President, Delaware County, PA
CandidateVotesPct
William McKinley* (R) 13,794 75.0%
William J. Bryan (D) 4,249 23.1%
John Woolley (Proh) 311 1.7%
Eugene Debs (Soc) 30 0.2%
Other 17 0.1%
TOTAL 18,401
Turnout: 34% Diff (St): 14 Diff (US): 23
* incumbent

Historical Statewide Election Results for Delaware County, PA

Click on the Year to view county-level data for that election.

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 56% John Fetterman (D) 157,599 62.9% Mehmet Oz (R) 87,322 34.8% 5,746 [+] 2.3% 250,667 -11 4.67%
2022 G 56% Josh Shapiro (D) 170,162 67.8% Doug Mastriano (R) 76,880 30.6% 3,813 [+] 1.5% 250,855 -11 4.67%
2018 S1 56% Bob Casey, Jr.* (D) 163,216 65.0% Lou Barletta (R) 84,423 33.6% 3,363 [+] 1.3% 251,002 -9 5.01%
2018 G 56% Tom Wolf* (D) 167,211 66.7% Scott Wagner (R) 80,576 32.1% 2,856 [+] 1.1% 250,643 -9 5.00%
2016 S3 67% Katie McGinty (D) 163,377 55.6% Pat Toomey* (R) 126,300 43.0% 3,948 [+] 1.3% 293,625 -6 4.85%
2014 G 42% Tom Wolf (D) 110,934 60.9% Tom Corbett* (R) 71,180 39.1% 0 0.0% 182,114 -6 5.21%
2012 S1 64% Bob Casey, Jr.* (D) 170,477 61.6% Tom Smith (R) 103,719 37.5% 2,746 [+] 1.0% 276,942 -7 4.92%
2010 S3 47% Joe Sestak (D) 113,844 56.1% Pat Toomey (R) 88,955 43.9% 0 0.0% 202,799 -7 5.10%
2010 G 47% Dan Onorato (D) 106,704 52.8% Tom Corbett (R) 95,448 47.2% 0 0.0% 202,152 -7 5.07%
2006 S1 49% Bob Casey, Jr. (D) 128,052 61.7% Rick Santorum* (R) 79,534 38.3% 0 0.0% 207,586 -3 5.09%
2006 G 49% Ed Rendell* (D) 154,249 73.9% Lynn Swann (R) 54,403 26.1% 0 0.0% 208,652 -14 5.09%
2004 S3 66% Arlen Specter* (R) 144,316 52.4% Joseph Hoeffel (D) 125,407 45.6% 5,480 [+] 2.0% 275,203 0 4.95%
2002 G 45% Ed Rendell (D) 123,117 65.1% Mike Fisher (R) 62,649 33.1% 3,304 [+] 1.7% 189,070 -11 5.28%
2000 S1 57% Rick Santorum* (R) 128,768 54.2% Ron Klink (D) 105,712 44.5% 3,306 [+] 1.4% 237,786 2 5.02%
1998 S3 36% Arlen Specter* (R) 101,502 66.9% Bill Lloyd (D) 44,704 29.5% 5,444 [+] 3.6% 151,650 6 5.13%
1998 G 37% Tom Ridge* (R) 97,746 63.3% Ivan Itkin (D) 42,283 27.4% 14,344 [+] 9.3% 154,373 6 5.10%
1994 S1 43% Rick Santorum (R) 94,285 52.7% Harris Wofford* (D) 78,509 43.9% 6,111 [+] 3.4% 178,905 3 5.09%
1994 G 44% Tom Ridge (R) 91,589 49.6% Mark Singel (D) 64,065 34.7% 29,156 [+] 15.8% 184,810 4 5.15%
1992 S3 61% Arlen Specter* (R) 136,228 53.2% Lynn Yeakel (D) 111,242 43.4% 8,759 [+] 3.4% 256,229 4 5.34%
1991 S1 43% Harris Wofford (D) 90,613 50.4% Richard Thornburgh (R) 89,192 49.6% 0 0.0% 179,805 5 5.32%
1990 G 40% Robert Casey* (D) 92,865 54.8% Barbara Hafer (R) 76,531 45.2% 0 0.0% 169,396 13 5.55%
1988 S1 57% John Heinz* (R) 169,247 70.7% Joseph Vignola (D) 67,980 28.4% 2,038 [+] 0.9% 239,265 4 5.48%
1986 S3 46% Arlen Specter* (R) 107,922 56.0% Bob Edgar (D) 83,779 43.5% 952 [+] 0.5% 192,653 0 5.70%
1986 G 46% William Scranton III (R) 113,628 59.7% Robert Casey (D) 75,218 39.5% 1,596 [+] 0.8% 190,442 11 5.62%
1982 S1 46% John Heinz* (R) 132,001 68.5% Cyril Wecht (D) 58,278 30.3% 2,291 [+] 1.2% 192,570 9 5.34%
1982 G 48% Richard Thornburgh* (R) 127,584 64.5% Allen Ertel (D) 67,874 34.3% 2,246 [+] 1.1% 197,704 14 5.37%
1980 S3 60% Arlen Specter (R) 154,255 62.2% Pete Flaherty (D) 90,400 36.5% 3,150 [+] 1.3% 247,805 12 5.61%
1978 G 53% Richard Thornburgh (R) 125,744 60.3% Pete Flaherty (D) 80,468 38.6% 2,233 [+] 1.1% 208,445 8 5.57%
1976 S1 66% John Heinz (R) 141,651 53.0% William Green (D) 124,088 46.4% 1,623 [+] 0.6% 267,362 1 5.88%
1974 S3 51% Richard Schweiker* (R) 128,640 62.1% Pete Flaherty (D) 76,473 36.9% 1,929 [+] 0.9% 207,042 9 5.95%
1974 G 51% Andrew Lewis (R) 104,860 49.9% Milton Shapp* (D) 103,276 49.1% 2,049 [+] 1.0% 210,185 5 6.00%
1970 S1 54% Hugh Scott* (R) 129,908 61.4% William Sesler (D) 76,004 35.9% 5,676 [+] 2.7% 211,588 10 5.81%
1970 G 54% Raymond Broderick (R) 111,079 52.3% Milton Shapp (D) 95,419 44.9% 5,874 [+] 2.8% 212,372 11 5.74%
1968 S3 68% Richard Schweiker (R) 152,429 59.7% Joseph Clark* (D) 97,895 38.3% 5,153 [+] 2.0% 255,477 8 5.52%
1966 G 60% Raymond Shafer (R) 140,225 63.4% Milton Shapp (D) 74,418 33.7% 6,464 [+] 2.9% 221,107 11 5.46%
1964 S1 71% Hugh Scott* (R) 151,684 59.0% Genevieve Blatt (D) 104,962 40.8% 497 [+] 0.2% 257,143 8 5.35%
1962 S3 64% James Van Zandt (R) 131,976 57.8% Joseph Clark* (D) 95,948 42.0% 360 [+] 0.2% 228,284 9 5.21%
1962 G 64% William Scranton (R) 142,262 62.7% Richardson Dilworth (D) 84,221 37.1% 456 [+] 0.2% 226,939 7 5.18%
*: 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


Historical U.S. House Election Results for Delaware County, PA

Click on the District to view county-level data for that election (where available).

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 PA05Mary Gay Scanlon* (D) 154,968 62.2% David Galluch (R) 94,000 37.8% 0 0.0% 248,968
County Total for 2022-11-08:   248,968
2020-11-03 PA05Mary Gay Scanlon* (D) 201,146 62.2% Dasha Pruett (R) 122,176 37.8% 0 0.0% 323,322
County Total for 2020-11-03:   323,322
2018-11-06 PA05Mary Gay Scanlon (D) 154,477 62.0% Pearl Kim (R) 94,817 38.0% 0 0.0% 249,294
County Total for 2018-11-06:   249,294
2016-11-08 PA01Robert Brady* (D) 62,517 79.5% Debbie Williams (R) 16,100 20.5% 0 0.0% 78,617
2016-11-08 PA07Patrick Meehan* (R) 123,514 58.4% Mary Ellen Balchunis (D) 87,951 41.6% 0 0.0% 211,465
County Total for 2016-11-08:   290,082
2014-11-04 PA01Robert Brady* (D) 36,053 77.3% Megan Rath (R) 10,601 22.7% 0 0.0% 46,654
2014-11-04 PA07Patrick Meehan* (R) 81,943 61.4% Mary Ellen Balchunis (D) 51,572 38.6% 0 0.0% 133,515
County Total for 2014-11-04:   180,169
2012-11-06 PA01Robert Brady* (D) 61,562 81.4% John Featherman (R) 14,039 18.6% 0 0.0% 75,601
2012-11-06 PA07Patrick Meehan* (R) 115,705 58.4% George Badey (D) 82,473 41.6% 0 0.0% 198,178
County Total for 2012-11-06:   273,779
2010-11-02 PA01Robert Brady* (D) 17,348 100.0% 0 0.0% 17,348
2010-11-02 PA07Patrick Meehan (R) 98,610 54.1% Bryan Lentz (D) 81,769 44.9% 1,807 1.0% 182,186
County Total for 2010-11-02:   199,534
2008-11-04 PA01Robert Brady* (D) 25,808 88.4% Mike Muhammad (R) 3,390 11.6% 0 0.0% 29,198
2008-11-04 PA07Joe Sestak* (D) 154,257 60.6% Craig Williams (R) 100,447 39.4% 0 0.0% 254,704
County Total for 2008-11-04:   283,902
2006-11-07 PA01Robert Brady* (D) 13,635 100.0% 0 0.0% 13,635
2006-11-07 PA07Joe Sestak (D) 107,280 55.9% Curt Weldon* (R) 84,691 44.1% 0 0.0% 191,971
County Total for 2006-11-07:   205,606
2004-11-02 PA01Robert Brady* (D) 22,438 82.4% Debbie Williams (R) 4,708 17.3% 92 0.3% 27,238
2004-11-02 PA07Curt Weldon* (R) 141,845 58.2% Paul Scoles (D) 100,119 41.1% 1,897 0.8% 243,861
County Total for 2004-11-02:   271,099
2002-11-05 PA01Robert Brady* (D) 11,224 75.4% Marie Delany (R) 3,471 23.3% 191 1.3% 14,886
2002-11-05 PA07Curt Weldon* (R) 107,837 66.0% Peter Lennon (D) 55,609 34.0% 0 0.0% 163,446
County Total for 2002-11-05:   178,332
2000-11-07 PA01Robert Brady* (D) 14,748 68.2% Steven Kush (R) 6,891 31.8% 0 0.0% 21,639
2000-11-07 PA02Chaka Fattah* (D) 9,190 96.0% Ken Krawchuk (Libertarian) 387 4.0% 0 0.0% 9,577
2000-11-07 PA07Curt Weldon* (R) 129,258 64.1% Peter Lennon (D) 72,297 35.9% 0 0.0% 201,555
County Total for 2000-11-07:   232,771
1996-11-05 PA01Thomas Foglietta* (D) 14,250 67.2% James Cella (R) 6,961 32.8% 0 0.0% 21,211
1996-11-05 PA02Chaka Fattah* (D) 8,063 68.1% Larry Murphy (R) 3,785 31.9% 0 0.0% 11,848
1996-11-05 PA07Curt Weldon* (R) 125,682 66.5% John Innelli (D) 62,371 33.0% 958 0.5% 189,011
County Total for 1996-11-05:   222,070
1994-11-08 PA01Thomas Foglietta* (D) 9,145 53.0% Roger Gordon (R) 8,099 47.0% 0 0.0% 17,244
1994-11-08 PA02Chaka Fattah (D) 5,083 57.7% Lawrence Watson (R) 3,731 42.3% 0 0.0% 8,814
1994-11-08 PA07Curt Weldon* (R) 108,498 71.0% Sara Nichols (D) 44,259 29.0% 0 0.0% 152,757
County Total for 1994-11-08:   178,815
1992-11-03 PA01Thomas Foglietta* (D) 14,197 57.2% Craig Snyder (R) 10,631 42.8% 0 0.0% 24,828
1992-11-03 PA02Lucien Blackwell* (D) 7,192 53.7% Larry Hollin (R) 6,124 45.7% 74 0.6% 13,390
1992-11-03 PA07Curt Weldon* (R) 139,884 66.2% Frank Daly (D) 70,837 33.5% 597 0.3% 211,318
County Total for 1992-11-03:   249,536
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Delaware County, PA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 424,242 151,032 35.6% 209,113 49.3% 64,097 15.1% Dem +58,081 Dem +13.7% 97%
2022 415,293 150,622 36.3% 207,206 49.9% 57,465 13.8% Dem +56,584 Dem +13.6% 93%
2020 425,249 160,888 37.8% 208,017 48.9% 56,344 13.2% Dem +47,129 Dem +11.1% 95%
2018 403,294 162,263 40.2% 188,847 46.8% 52,184 12.9% Dem +26,584 Dem +6.6% 91%
2016 412,849 171,589 41.6% 189,177 45.8% 52,083 12.6% Dem +17,588 Dem +4.3% 94%
2014 388,963 168,744 43.4% 172,601 44.4% 47,618 12.2% Dem +3,857 Dem +1.0% 89%
2012 397,624 176,236 44.3% 174,821 44.0% 46,567 11.7% Rep +1,415 Rep +0.4% 92%
2010 394,357 181,080 45.9% 170,059 43.1% 43,218 11.0% Rep +11,021 Rep +2.8% 92%
2008 405,968 190,681 47.0% 172,138 42.4% 43,149 10.6% Rep +18,543 Rep +4.6% 95%
2006 381,906 205,417 53.8% 133,564 35.0% 42,925 11.2% Rep +71,853 Rep +18.8% 90%
2004 390,914 215,474 55.1% 132,130 33.8% 43,310 11.1% Rep +83,344 Rep +21.3% 93%
2002 363,864 216,049 59.4% 111,621 30.7% 36,194 9.9% Rep +104,428 Rep +28.7% 87%
2000 378,039 230,741 61.0% 110,104 29.1% 37,194 9.8% Rep +120,637 Rep +31.9% 91%
1998 351,347 223,857 63.7% 96,732 27.5% 30,758 8.8% Rep +127,125 Rep +36.2% 85%
1996 346,217 223,946 64.7% 93,686 27.1% 28,585 8.3% Rep +130,260 Rep +37.6% 83%
1994 305,328 204,731 67.1% 79,144 25.9% 21,453 7.0% Rep +125,587 Rep +41.1% 73%
1992 324,241 218,770 67.5% 82,771 25.5% 22,700 7.0% Rep +135,999 Rep +41.9% 77%
1990 299,612 209,792 70.0% 72,753 24.3% 17,067 5.7% Rep +137,039 Rep +45.7% 71%
1988 306,108 211,822 69.2% 76,711 25.1% 17,575 5.7% Rep +135,111 Rep +44.1% 73%
1986 324,112 220,200 67.9% 83,887 25.9% 20,025 6.2% Rep +136,313 Rep +42.1% 78%
1984 319,405 216,235 67.7% 83,284 26.1% 19,886 6.2% Rep +132,951 Rep +41.6% 77%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.