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New Castle County, DE


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 New Castle County, DE     [Sort places by name]

 

Tracts in New Castle County, DE

   



Click here to view demographic data for New Castle County, DE

2022 population: 575,494   ( 37,015 from 2010 , 4,773 from 2020)
Land area: 426.3 square miles
Population density: 1349.9 persons per square mile

2022 Census data
White:309,555 53.79% 6.7%
Black:149,50425.98% 20.2%
Indian:1,0850.19% 10.3%
Asian:35,9126.24% 54.6%
2+ races:14,2482.48% 39.6%
Hispanic:65,19011.33% 38.9%
Total non-White:265,93946.21% 28.7%

2020-2022 ComponentsNumberRate
Births:13,863 12.1
Deaths:13,35511.7
Net Migration: 1,4421.3
Net Immigration: 2,5312.2
Change in White population:-22,281 -4.1
Change in Non-White pop.:59,296 11.0



Historical Presidential Election Results for New Castle County, DE

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +2,839 D +29,276 D + 6.5%
D +32,115
2020 vs. 2012 R +7,134 D +20,818 D + 3.1%
D +27,952
2020 vs. 2008 R +13,756 D +2,510 R + 3.5%
D +16,266
2016 vs. 2008 R +10,917 R +26,766 R + 10.0%
D -15,849
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
2020 64% Joe Biden (D) 195,034 67.8% Donald Trump* (R) 88,364 30.7% 4,235 [+] 1.5% 287,633 -9 -16 57.03%
2016 61% Hillary Clinton (D) 162,919 62.0% Donald Trump (R) 85,525 32.5% 14,535 [+] 5.5% 262,979 -9 -13 59.25%
2012 60% Barack Obama* (D) 167,082 66.3% Mitt Romney (R) 81,230 32.2% 3,700 [+] 1.5% 252,012 -8 -15 60.88%
2008 63% Barack Obama (D) 178,768 69.7% John McCain (R) 74,608 29.1% 3,245 [+] 1.3% 256,621 -8 -17 62.19%
2004 62% John Kerry (D) 146,179 60.5% George W. Bush* (R) 93,079 38.5% 2,269 [+] 0.9% 241,527 -7 -12 64.36%
2000 57% Albert Gore, Jr. (D) 127,539 59.9% George W. Bush (R) 78,587 36.9% 6,934 [+] 3.3% 213,060 -5 -11 65.03%
1996 50% Bill Clinton* (D) 98,837 55.0% Robert Dole (R) 60,943 33.9% 19,766 [+] 11.0% 179,546 -3 -7 66.23%
1992 57% Bill Clinton (D) 91,516 46.5% George Bush* (R) 66,311 33.7% 39,077 [+] 19.8% 196,904 -2 -4 67.96%
1988 53% George Bush (R) 92,587 53.5% Michael Dukakis (D) 79,147 45.7% 1,269 [+] 0.7% 173,003 -2 0 69.23%
1984 58% Ronald Reagan* (R) 102,322 57.1% Walter Mondale (D) 76,238 42.6% 517 0.3% 179,077 -3 -2 70.34%
1980 58% Ronald Reagan (R) 76,898 45.7% Jimmy Carter* (D) 76,897 45.7% 14,632 [+] 8.7% 168,427 -2 -5 71.47%
1976 64% Jimmy Carter (D) 87,521 51.4% Gerald Ford* (R) 80,074 47.0% 2,743 [+] 1.6% 170,338 0 -1 72.23%
1972 66% Richard Nixon* (R) 100,681 58.2% George McGovern (D) 70,190 40.6% 2,085 [+] 1.2% 172,956 -1 -2 73.44%
1968 69% Richard Nixon (R) 70,014 44.8% Hubert Humphrey (D) 68,468 43.8% 17,931 [+] 11.5% 156,413 0 1 72.97%
1964 71% Lyndon Johnson* (D) 91,752 62.5% Barry Goldwater (R) 54,767 37.3% 374 0.3% 146,893 -1 -1 72.96%
1960 76% John Kennedy (D) 73,364 51.3% Richard Nixon (R) 69,284 48.5% 326 0.2% 142,974 -1 -1 72.69%
1956 71% Dwight Eisenhower* (R) 71,133 55.7% Adlai Stevenson (D) 56,405 44.1% 275 0.2% 127,813 1 -2 71.81%
1952 78% Dwight Eisenhower (R) 62,658 51.6% Adlai Stevenson (D) 58,387 48.1% 351 0.3% 121,396 0 -4 69.76%
1948 69% Harry Truman* (D) 48,117 49.6% Thomas Dewey (R) 47,451 48.9% 1,433 [+] 1.5% 97,001 -1 4 69.75%
1944 68% Franklin Roosevelt* (D) 49,588 56.5% Thomas Dewey (R) 37,783 43.1% 318 0.4% 87,689 -2 -3 69.95%
1940 79% Franklin Roosevelt* (D) 52,167 55.5% Wendell Willkie (R) 41,508 44.2% 261 0.3% 93,936 -1 -1 68.88%
1936 80% Franklin Roosevelt* (D) 47,315 55.2% Alf Landon (R) 37,851 44.1% 600 [+] 0.7% 85,766 -1 8 67.21%
1932 72% Herbert Hoover* (R) 39,844 53.8% Franklin Roosevelt (D) 32,872 44.4% 1,393 [+] 1.9% 74,109 3 14 65.64%
1928 73% Herbert Hoover (R) 47,641 67.7% Al Smith (D) 22,464 31.9% 307 [+] 0.4% 70,412 2 9 67.31%
1924 62% Calvin Coolidge (R) 35,427 61.2% John Davis (D) 17,842 30.8% 4,582 [+] 7.9% 57,851 4 7 63.65%
1920 69% Warren Harding (R) 36,600 58.3% James Cox (D) 24,252 38.6% 1,939 [+] 3.1% 62,791 3 -2 66.18%
1916 39% Charles Evans Hughes (R) 16,166 50.6% Woodrow Wilson* (D) 14,894 46.6% 916 [+] 2.9% 31,976 0 4 61.72%
1912 38% Woodrow Wilson (D) 13,009 44.2% William Taft* (R) 8,362 28.4% 8,035 [+] 27.3% 29,406 -4 5 60.39%
1908 41% William Taft (R) 14,987 52.3% William J. Bryan (D) 12,965 45.3% 698 [+] 2.4% 28,650 0 1 59.66%
1904 38% Theodore Roosevelt (R) 13,198 53.0% Alton Parker (D) 11,170 44.9% 536 [+] 2.2% 24,904 -1 -3 56.76%
1900 39% William McKinley* (R) 13,646 55.4% William J. Bryan (D) 10,644 43.2% 351 [+] 1.4% 24,641 2 4 58.66%
* incumbent         PSV: percent of state vote



2020 President, New Castle County, DE
CandidateVotesPct
Joe Biden (D) 195,034 67.8%
Donald Trump* (R) 88,364 30.7%
Jo Jorgensen (Lbt) 2,953 1.0%
Other 1,282 0.4%
TOTAL 287,633
Turnout: 64% Diff (St): -9 Diff (US): -16


2016 President, New Castle County, DE
CandidateVotesPct
Hillary Clinton (D) 162,919 62.0%
Donald Trump (R) 85,525 32.5%
Gary Johnson (Lbt) 9,107 3.5%
Jill Stein (Grn) 3,956 1.5%
Evan McMullin (I) 514 0.2%
Other 958 0.4%
TOTAL 262,979
Turnout: 61% Diff (St): -9 Diff (US): -13


2012 President, New Castle County, DE
CandidateVotesPct
Barack Obama* (D) 167,082 66.3%
Mitt Romney (R) 81,230 32.2%
Gary Johnson (Lbt) 2,486 1.0%
Other 1,214 0.5%
TOTAL 252,012
Turnout: 60% Diff (St): -8 Diff (US): -15


2008 President, New Castle County, DE
CandidateVotesPct
Barack Obama (D) 178,768 69.7%
John McCain (R) 74,608 29.1%
Ralph Nader (I) 1,571 0.6%
Bob Barr (Lbt) 796 0.3%
Other 878 0.3%
TOTAL 256,621
Turnout: 63% Diff (St): -8 Diff (US): -17


2004 President, New Castle County, DE
CandidateVotesPct
George W. Bush* (R) 93,079 38.5%
John Kerry (D) 146,179 60.5%
Ralph Nader (I) 1,336 0.6%
Other 933 0.4%
TOTAL 241,527
Turnout: 62% Diff (St): -7 Diff (US): -12


2000 President, New Castle County, DE
CandidateVotesPct
George W. Bush (R) 78,587 36.9%
Albert Gore, Jr. (D) 127,539 59.9%
Ralph Nader (Grn) 5,767 2.7%
Pat Buchanan (Ref) 345 0.2%
Other 822 0.4%
TOTAL 213,060
Turnout: 57% Diff (St): -5 Diff (US): -11


1996 President, New Castle County, DE
CandidateVotesPct
Bill Clinton* (D) 98,837 55.0%
Robert Dole (R) 60,943 33.9%
Ross Perot (Ref) 17,748 9.9%
Harry Browne (Lbt) 1,667 0.9%
Other 351 0.2%
TOTAL 179,546
Turnout: 50% Diff (St): -3 Diff (US): -7


1992 President, New Castle County, DE
CandidateVotesPct
Bill Clinton (D) 91,516 46.5%
George Bush* (R) 66,311 33.7%
Ross Perot (I) 37,581 19.1%
Other 1,496 0.8%
TOTAL 196,904
Turnout: 57% Diff (St): -2 Diff (US): -4


1988 President, New Castle County, DE
CandidateVotesPct
George Bush (R) 92,587 53.5%
Michael Dukakis (D) 79,147 45.7%
Ron Paul (Lbt) 897 0.5%
Other 372 0.2%
TOTAL 173,003
Turnout: 53% Diff (St): -2 Diff (US): 0


1984 President, New Castle County, DE
CandidateVotesPct
Ronald Reagan* (R) 102,322 57.1%
Walter Mondale (D) 76,238 42.6%
Other 517 0.3%
TOTAL 179,077
Turnout: 58% Diff (St): -3 Diff (US): -2


1980 President, New Castle County, DE
CandidateVotesPct
Ronald Reagan (R) 76,898 45.7%
Jimmy Carter* (D) 76,897 45.7%
John Anderson (I) 12,828 7.6%
Edward Clark (Lbt) 1,511 0.9%
Other 293 0.2%
TOTAL 168,427
Turnout: 58% Diff (St): -2 Diff (US): -5


1976 President, New Castle County, DE
CandidateVotesPct
Jimmy Carter (D) 87,521 51.4%
Gerald Ford* (R) 80,074 47.0%
Eugene McCarthy (I) 2,062 1.2%
Other 681 0.4%
TOTAL 170,338
Turnout: 64% Diff (St): 0 Diff (US): -1


1972 President, New Castle County, DE
CandidateVotesPct
Richard Nixon* (R) 100,681 58.2%
George McGovern (D) 70,190 40.6%
John Schmitz (Amer) 1,906 1.1%
Other 179 0.1%
TOTAL 172,956
Turnout: 66% Diff (St): -1 Diff (US): -2


1968 President, New Castle County, DE
CandidateVotesPct
Richard Nixon (R) 70,014 44.8%
Hubert Humphrey (D) 68,468 43.8%
George Wallace (AIP) 17,931 11.5%
TOTAL 156,413
Turnout: 69% Diff (St): 0 Diff (US): 1


1964 President, New Castle County, DE
CandidateVotesPct
Lyndon Johnson* (D) 91,752 62.5%
Barry Goldwater (R) 54,767 37.3%
Other 374 0.3%
TOTAL 146,893
Turnout: 71% Diff (St): -1 Diff (US): -1


1960 President, New Castle County, DE
CandidateVotesPct
John Kennedy (D) 73,364 51.3%
Richard Nixon (R) 69,284 48.5%
Other 326 0.2%
TOTAL 142,974
Turnout: 76% Diff (St): -1 Diff (US): -1


1956 President, New Castle County, DE
CandidateVotesPct
Dwight Eisenhower* (R) 71,133 55.7%
Adlai Stevenson (D) 56,405 44.1%
Other 275 0.2%
TOTAL 127,813
Turnout: 71% Diff (St): 1 Diff (US): -2


1952 President, New Castle County, DE
CandidateVotesPct
Dwight Eisenhower (R) 62,658 51.6%
Adlai Stevenson (D) 58,387 48.1%
Other 351 0.3%
TOTAL 121,396
Turnout: 78% Diff (St): 0 Diff (US): -4


1948 President, New Castle County, DE
CandidateVotesPct
Harry Truman* (D) 48,117 49.6%
Thomas Dewey (R) 47,451 48.9%
Henry Wallace (Prog) 950 1.0%
Other 483 0.5%
TOTAL 97,001
Turnout: 69% Diff (St): -1 Diff (US): 4


1944 President, New Castle County, DE
CandidateVotesPct
Franklin Roosevelt* (D) 49,588 56.5%
Thomas Dewey (R) 37,783 43.1%
Other 318 0.4%
TOTAL 87,689
Turnout: 68% Diff (St): -2 Diff (US): -3


1940 President, New Castle County, DE
CandidateVotesPct
Franklin Roosevelt* (D) 52,167 55.5%
Wendell Willkie (R) 41,508 44.2%
Other 261 0.3%
TOTAL 93,936
Turnout: 79% Diff (St): -1 Diff (US): -1


1936 President, New Castle County, DE
CandidateVotesPct
Franklin Roosevelt* (D) 47,315 55.2%
Alf Landon (R) 37,851 44.1%
Other 600 0.7%
TOTAL 85,766
Turnout: 80% Diff (St): -1 Diff (US): 8


1932 President, New Castle County, DE
CandidateVotesPct
Franklin Roosevelt (D) 32,872 44.4%
Herbert Hoover* (R) 39,844 53.8%
Other 1,393 1.9%
TOTAL 74,109
Turnout: 72% Diff (St): 3 Diff (US): 14


1928 President, New Castle County, DE
CandidateVotesPct
Herbert Hoover (R) 47,641 67.7%
Al Smith (D) 22,464 31.9%
Other 307 0.4%
TOTAL 70,412
Turnout: 73% Diff (St): 2 Diff (US): 9


1924 President, New Castle County, DE
CandidateVotesPct
Calvin Coolidge (R) 35,427 61.2%
John Davis (D) 17,842 30.8%
Robert LaFollette (Prog) 4,562 7.9%
Other 20 0.0%
TOTAL 57,851
Turnout: 62% Diff (St): 4 Diff (US): 7


1920 President, New Castle County, DE
CandidateVotesPct
Warren Harding (R) 36,600 58.3%
James Cox (D) 24,252 38.6%
Other 1,939 3.1%
TOTAL 62,791
Turnout: 69% Diff (St): 3 Diff (US): -2


1916 President, New Castle County, DE
CandidateVotesPct
Woodrow Wilson* (D) 14,894 46.6%
Charles Evans Hughes (R) 16,166 50.6%
Other 916 2.9%
TOTAL 31,976
Turnout: 39% Diff (St): 0 Diff (US): 4


1912 President, New Castle County, DE
CandidateVotesPct
Woodrow Wilson (D) 13,009 44.2%
Theodore Roosevelt (Prog) 7,090 24.1%
William Taft* (R) 8,362 28.4%
Eugene Debs (Soc) 547 1.9%
Eugene Chafin (Proh) 398 1.4%
TOTAL 29,406
Turnout: 38% Diff (St): -4 Diff (US): 5


1908 President, New Castle County, DE
CandidateVotesPct
William Taft (R) 14,987 52.3%
William J. Bryan (D) 12,965 45.3%
Other 698 2.4%
TOTAL 28,650
Turnout: 41% Diff (St): 0 Diff (US): 1


1904 President, New Castle County, DE
CandidateVotesPct
Theodore Roosevelt (R) 13,198 53.0%
Alton Parker (D) 11,170 44.9%
Eugene Debs (Soc) 146 0.6%
Silas Swallow (Proh) 339 1.4%
Thomas Watson (Pop) 51 0.2%
TOTAL 24,904
Turnout: 38% Diff (St): -1 Diff (US): -3


1900 President, New Castle County, DE
CandidateVotesPct
William McKinley* (R) 13,646 55.4%
William J. Bryan (D) 10,644 43.2%
Other 351 1.4%
TOTAL 24,641
Turnout: 39% Diff (St): 2 Diff (US): 4
* incumbent

Historical Statewide Election Results for New Castle County, DE

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2020 S2 62% Christopher Coons* (D) 191,774 68.6% Lauren Witzke (R) 80,081 28.7% 7,607 [+] 2.7% 279,462 -9 56.92%
2020 G 62% John Carney* (D) 191,768 68.5% Julianne Murray (R) 82,545 29.5% 5,816 [+] 2.1% 280,129 -9 56.86%
2018 S1 48% Tom Carper* (D) 145,428 69.1% Rob Arlett (R) 59,526 28.3% 5,369 [+] 2.6% 210,323 -10 58.01%
2016 G 58% John Carney (D) 165,973 66.2% Colin Bonini (R) 77,839 31.0% 6,879 [+] 2.7% 250,691 -8 58.88%
2014 S2 31% Christopher Coons* (D) 84,985 63.8% Kevin Wade (R) 45,229 34.0% 2,948 [+] 2.2% 133,162 -8 56.90%
2012 S1 58% Tom Carper* (D) 177,244 73.0% Kevin Wade (R) 56,666 23.3% 8,926 [+] 3.7% 242,836 -6 60.77%
2012 G 58% Jack Markell* (D) 183,858 75.9% Jeff Cragg (R) 53,510 22.1% 4,771 [+] 2.0% 242,139 -6 60.83%
2010 S2 45% Christopher Coons (D) 123,678 66.1% Christine O'Donnell (R) 57,649 30.8% 5,730 [+] 3.1% 187,057 -9 60.86%
2008 S2 61% Joe Biden* (D) 177,070 71.8% Christine O'Donnell (R) 69,491 28.2% 0 0.0% 246,561 -7 61.93%
2008 G 60% Jack Markell (D) 180,240 73.9% William Lee (R) 62,432 25.6% 1,212 [+] 0.5% 243,884 -6 61.71%
2006 S1 40% Tom Carper* (D) 115,769 72.5% Jan Ting (R) 39,655 24.8% 4,279 [+] 2.7% 159,703 -3 62.73%
2004 G 60% Ruth Ann Minner* (D) 128,953 55.3% William Lee (R) 99,479 42.6% 4,942 [+] 2.1% 233,374 -3 63.98%
2002 S2 38% Joe Biden* (D) 91,516 63.0% Ray Clatworthy (R) 52,133 35.9% 1,598 [+] 1.1% 145,247 -5 62.52%
2000 S1 57% Tom Carper (D) 128,491 60.1% William Roth* (R) 83,554 39.1% 1,805 [+] 0.8% 213,850 -5 65.39%
2000 G 56% Ruth Ann Minner (D) 127,112 60.3% John Burris (R) 81,311 38.5% 2,523 [+] 1.2% 210,946 -1 65.17%
1996 S2 51% Joe Biden* (D) 114,747 62.7% Ray Clatworthy (R) 64,713 35.4% 3,590 [+] 2.0% 183,050 -3 66.42%
1996 G 50% Tom Carper* (D) 129,512 72.1% Janet Rzewnicki (R) 50,081 27.9% 0 0.0% 179,593 -3 66.24%
1994 S1 37% William Roth* (R) 68,059 51.6% Charles Oberly (D) 61,266 46.4% 2,619 [+] 2.0% 131,944 -4 66.29%
1992 G 55% Tom Carper (D) 124,601 66.2% Gary Scott (R) 58,609 31.1% 5,047 [+] 2.7% 188,257 -2 67.95%
1990 S2 36% Joe Biden* (D) 77,105 64.2% Jane Brady (R) 41,149 34.3% 1,867 [+] 1.6% 120,121 -2 66.68%
1988 S1 52% William Roth* (R) 99,798 59.3% S.B. Woo (D) 68,408 40.7% 0 0.0% 168,206 -3 69.08%
1988 G 51% Mike Castle* (R) 115,866 70.0% Jacob Kreshtool (D) 49,630 30.0% 0 0.0% 165,496 -1 68.97%
1984 S2 56% Joe Biden* (D) 107,636 62.2% John Burris (R) 65,352 37.8% 0 0.0% 172,988 -2 70.34%
1984 G 56% Mike Castle (R) 93,393 54.5% William Quillen (D) 77,866 45.5% 0 0.0% 171,259 0 71.19%
1982 S1 45% William Roth* (R) 71,775 53.9% David Levinson (D) 60,478 45.4% 861 [+] 0.6% 133,114 -1 69.71%
1980 G 56% Pete duPont* (R) 115,150 71.7% William Gordy (D) 43,821 27.3% 1,539 [+] 1.0% 160,510 1 71.31%
1978 S2 42% Joe Biden* (D) 66,256 58.9% James Baxter (R) 44,834 39.8% 1,449 [+] 1.3% 112,539 -1 69.44%
1976 S1 61% William Roth* (R) 93,267 57.3% Thomas Maloney (D) 68,610 42.1% 951 [+] 0.6% 162,828 1 72.41%
1976 G 62% Pete duPont (R) 100,032 60.4% Sherman Tribbitt* (D) 64,756 39.1% 962 [+] 0.6% 165,750 3 72.20%
1972 S2 64% Joe Biden (D) 85,017 50.3% Caleb Boggs* (R) 83,273 49.3% 665 [+] 0.4% 168,955 0 73.28%
1972 G 64% Russell Peterson* (R) 85,560 51.0% Sherman Tribbitt (D) 81,043 48.3% 1,256 [+] 0.7% 167,859 3 73.39%
1970 S1 47% William Roth (R) 68,915 60.2% Jacob Zimmerman (D) 44,348 38.8% 1,166 [+] 1.0% 114,429 1 70.88%
1968 G 67% Russell Peterson (R) 77,209 51.0% Charles Terry* (D) 74,323 49.0% 0 0.0% 151,532 0 73.26%
1966 S2 54% Caleb Boggs* (R) 71,815 61.1% James Tunnell (D) 45,650 38.9% 0 0.0% 117,465 2 71.39%
1964 S1 71% John Williams* (R) 74,830 51.1% Elbert Carvel (D) 71,484 48.8% 71 [+] 0.0% 146,385 -1 72.94%
1964 G 71% Charles Terry (D) 74,824 51.2% David Buckson (R) 71,207 48.8% 0 0.0% 146,031 0 72.95%
1960 S2 76% Caleb Boggs (R) 74,974 53.0% Allen Frear* (D) 66,546 47.0% 0 0.0% 141,520 2 72.59%
1960 G 76% Elbert Carvel (D) 72,598 51.3% John Rollins (R) 68,921 48.7% 0 0.0% 141,519 0 72.64%
*: 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 New Castle County, DE

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 DE00Lisa Blunt Rochester* (D) 110,139 65.0% Lee Murphy (R) 56,529 33.3% 2,875 1.7% 169,543
County Total for 2022-11-08:   169,543
2020-11-03 DE00Lisa Blunt Rochester* (D) 184,337 66.3% Lee Murphy (R) 87,581 31.5% 6,086 2.2% 278,004
County Total for 2020-11-03:   278,004
2018-11-06 DE00Lisa Blunt Rochester* (D) 150,143 72.8% Scott Walker (R) 56,213 27.2% 0 0.0% 206,356
County Total for 2018-11-06:   206,356
2016-11-08 DE00Lisa Blunt Rochester (D) 158,803 64.0% Hans Reigel (R) 80,356 32.4% 9,054 3.6% 248,213
County Total for 2016-11-08:   248,213
2014-11-04 DE00John Carney* (D) 87,240 66.3% Rose Izzo (R) 38,574 29.3% 5,829 4.4% 131,643
County Total for 2014-11-04:   131,643
2012-11-06 DE00John Carney* (D) 165,723 70.3% Thomas Kovach (R) 65,066 27.6% 5,077 2.2% 235,866
County Total for 2012-11-06:   235,866
2010-11-02 DE00John Carney (D) 121,764 65.5% Glenn Urquhart (R) 60,404 32.5% 3,807 2.0% 185,975
County Total for 2010-11-02:   185,975
2008-11-04 DE00Mike Castle* (R) 135,354 57.0% Karen Hartley-Nagle (D) 99,714 42.0% 2,331 1.0% 237,399
County Total for 2008-11-04:   237,399
2006-11-07 DE00Mike Castle* (R) 84,129 53.3% Dennis Spivack (D) 67,555 42.8% 6,205 3.9% 157,889
County Total for 2006-11-07:   157,889
2004-11-02 DE00Mike Castle* (R) 149,671 65.6% Paul Donnelly (D) 75,796 33.2% 2,695 1.2% 228,162
County Total for 2004-11-02:   228,162
2002-11-05 DE00Mike Castle* (R) 99,518 69.6% Mike Miller (D) 41,559 29.1% 1,911 1.3% 142,988
County Total for 2002-11-05:   142,988
2000-11-07 DE00Mike Castle* (R) 134,232 65.7% Mike Miller (D) 66,625 32.6% 3,321 1.6% 204,178
County Total for 2000-11-07:   204,178
1996-11-05 DE00Mike Castle* (R) 119,500 67.5% Dennis Williams (D) 51,859 29.3% 5,579 3.2% 176,938
County Total for 1996-11-05:   176,938
1994-11-08 DE00Mike Castle* (R) 89,380 69.2% Carol Ann DeSantis (D) 35,967 27.8% 3,873 3.0% 129,220
County Total for 1994-11-08:   129,220
1992-11-03 DE00Mike Castle (R) 102,399 54.5% S.B. Woo (D) 81,716 43.5% 3,825 2.0% 187,940
County Total for 1992-11-03:   187,940
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for New Castle County, DE

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 428,660 88,297 20.6% 227,421 53.1% 112,942 26.3% Dem +139,124 Dem +32.5% 95%
2022 432,643 91,587 21.2% 234,706 54.2% 106,350 24.6% Dem +143,119 Dem +33.1% 96%
2020 424,813 93,269 22.0% 229,874 54.1% 101,670 23.9% Dem +136,605 Dem +32.2% 94%
2018 406,997 91,914 22.6% 215,893 53.0% 99,190 24.4% Dem +123,979 Dem +30.5% 92%
2016 403,967 93,715 23.2% 212,042 52.5% 98,210 24.3% Dem +118,327 Dem +29.3% 93%
2014 389,448 92,909 23.9% 201,425 51.7% 95,114 24.4% Dem +108,516 Dem +27.9% 91%
2012 388,318 96,351 24.8% 199,056 51.3% 92,911 23.9% Dem +102,705 Dem +26.4% 92%
2010 389,657 101,568 26.1% 195,440 50.2% 92,649 23.8% Dem +93,872 Dem +24.1% 94%
2008 380,567 103,202 27.1% 187,169 49.2% 90,196 23.7% Dem +83,967 Dem +22.1% 94%
2006 353,845 103,465 29.2% 164,268 46.4% 86,112 24.3% Dem +60,803 Dem +17.2% 89%
2004 362,367 110,732 30.6% 165,331 45.6% 86,304 23.8% Dem +54,599 Dem +15.1% 93%
2002 335,627 107,576 32.1% 149,138 44.4% 78,913 23.5% Dem +41,562 Dem +12.4% 88%
2000 330,607 107,554 32.5% 145,264 43.9% 77,789 23.5% Dem +37,710 Dem +11.4% 88%
1994 233,802 82,638 35.3% 101,723 43.5% 49,441 21.1% Dem +19,085 Dem +8.2% 66%
1986 206,373 70,824 34.3% 90,751 44.0% 44,798 21.7% Dem +19,927 Dem +9.7% 65%
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.