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Mercer County, PA


Metropolitan Statistical Area: Youngstown-Warren-Boardman, OH-PA
Designated Market Area: Youngstown, OH-PA
American Communities Project County Type (2023): Rural Middle America

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

 

Tracts in Mercer County, PA

   



Click here to view demographic data for Mercer County, PA

2022 population: 109,220   ( 7,418 from 2010 , 1,436 from 2020)
Land area: 672.5 square miles
Population density: 162.4 persons per square mile

2022 Census data
White:98,097 89.82% 7.6%
Black:6,0715.56% 8.3%
Indian:1880.17% 42.4%
Asian:7890.72% 6.5%
2+ races:2,1982.01% 35.8%
Hispanic:1,8771.72% 50.4%
Total non-White:11,12310.18% 6.3%

2020-2022 ComponentsNumberRate
Births:2,316 10.5
Deaths:3,89917.6
Net Migration: 1080.5
Net Immigration: 180.1
Change in White population:-8,079 -6.9
Change in Non-White pop.:661 0.6



Historical Presidential Election Results for Mercer County, PA

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +4,599 R +2,265 R + 0.9%
D +2,334
2020 vs. 2012 R +10,218 R +13,383 R + 23.0%
D -3,165
2020 vs. 2008 R +9,578 R +14,922 R + 26.1%
D -5,344
2016 vs. 2008 R +4,979 R +12,657 R + 25.2%
D -7,678
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 66% Donald Trump* (R) 36,143 62.2% Joe Biden (D) 21,067 36.2% 907 [+] 1.6% 58,117 14 15 0.84%
2016 59% Donald Trump (R) 31,544 59.7% Hillary Clinton (D) 18,733 35.5% 2,562 [+] 4.8% 52,839 12 14 0.86%
2012 56% Mitt Romney (R) 25,925 50.8% Barack Obama* (D) 24,232 47.5% 882 [+] 1.7% 51,039 4 4 0.89%
2008 59% John McCain (R) 26,565 49.0% Barack Obama (D) 26,411 48.8% 1,192 [+] 2.2% 54,168 5 3 0.90%
2004 56% George W. Bush* (R) 26,311 51.0% John Kerry (D) 24,831 48.2% 422 [+] 0.8% 51,564 3 0 0.89%
2000 53% Albert Gore, Jr. (D) 23,817 48.9% George W. Bush (R) 23,132 47.5% 1,783 [+] 3.7% 48,732 1 0 0.99%
1996 50% Bill Clinton* (D) 23,003 50.2% Robert Dole (R) 17,213 37.6% 5,563 [+] 12.2% 45,779 -2 -3 1.02%
1992 54% Bill Clinton (D) 23,264 46.7% George Bush* (R) 16,081 32.3% 10,491 [+] 21.1% 49,836 -4 -5 1.00%
1988 49% Michael Dukakis (D) 24,278 52.9% George Bush (R) 21,301 46.4% 301 [+] 0.7% 45,880 -4 -7 1.01%
1984 53% Walter Mondale (D) 24,658 50.0% Ronald Reagan* (R) 24,211 49.1% 434 0.9% 49,303 -4 -10 1.02%
1980 49% Ronald Reagan (R) 22,372 48.5% Jimmy Carter* (D) 19,716 42.8% 4,002 [+] 8.7% 46,090 -1 -2 1.01%
1976 55% Jimmy Carter (D) 25,041 51.9% Gerald Ford* (R) 22,469 46.6% 725 [+] 1.5% 48,235 -1 -1 1.04%
1972 54% Richard Nixon* (R) 27,961 59.4% George McGovern (D) 18,087 38.4% 1,052 [+] 2.2% 47,100 0 -1 1.03%
1968 62% Richard Nixon (R) 23,131 47.1% Hubert Humphrey (D) 22,814 46.5% 3,160 [+] 6.4% 49,105 3 4 1.03%
1964 64% Lyndon Johnson* (D) 32,199 63.7% Barry Goldwater (R) 18,153 35.9% 211 0.4% 50,563 1 -3 1.05%
1960 67% Richard Nixon (R) 29,109 54.4% John Kennedy (D) 24,243 45.3% 128 0.2% 53,480 6 5 1.07%
1956 61% Dwight Eisenhower* (R) 28,785 59.1% Adlai Stevenson (D) 19,769 40.6% 120 0.2% 48,674 3 2 1.06%
1952 63% Dwight Eisenhower (R) 26,424 55.6% Adlai Stevenson (D) 20,770 43.7% 343 0.7% 47,537 3 0 1.04%
1948 51% Thomas Dewey (R) 18,916 52.7% Harry Truman* (D) 16,108 44.9% 862 [+] 2.4% 35,886 2 8 0.96%
1944 54% Thomas Dewey (R) 19,606 53.9% Franklin Roosevelt* (D) 16,589 45.6% 212 0.6% 36,407 5 8 0.96%
1940 60% Wendell Willkie (R) 21,058 55.1% Franklin Roosevelt* (D) 16,968 44.4% 175 0.5% 38,201 9 10 0.94%
1936 69% Franklin Roosevelt* (D) 20,879 51.8% Alf Landon (R) 18,493 45.9% 939 [+] 2.3% 40,311 5 9 0.97%
1932 45% Herbert Hoover* (R) 14,057 53.5% Franklin Roosevelt (D) 10,961 41.7% 1,240 [+] 4.7% 26,258 3 14 0.92%
1928 55% Herbert Hoover (R) 22,599 72.7% Al Smith (D) 8,204 26.4% 280 [+] 0.9% 31,083 7 15 0.99%
1924 41% Calvin Coolidge (R) 14,639 65.3% John Davis (D) 3,688 16.4% 4,093 [+] 18.3% 22,420 0 11 1.05%
1920 36% Warren Harding (R) 11,575 60.3% James Cox (D) 4,823 25.1% 2,801 [+] 14.6% 19,199 -5 0 1.04%
1916 27% Woodrow Wilson* (D) 6,390 46.5% Charles Evans Hughes (R) 5,866 42.7% 1,495 [+] 10.9% 13,751 -12 -3 1.06%
1912 27% Theodore Roosevelt (Prog) 4,418 34.7% Woodrow Wilson (D) 4,039 31.8% 4,261 [+] 33.5% 12,718 -8 -8 1.04%
1908 33% William Taft (R) 6,497 47.3% William J. Bryan (D) 5,473 39.8% 1,774 [+] 12.9% 13,744 -12 -4 1.09%
1904 38% Theodore Roosevelt (R) 8,574 60.7% Alton Parker (D) 3,845 27.2% 1,714 [+] 12.1% 14,133 -7 4 1.14%
1900 39% William McKinley* (R) 6,950 55.9% William J. Bryan (D) 4,916 39.6% 559 [+] 4.5% 12,425 -5 4 1.06%
* incumbent         PSV: percent of state vote



2020 President, Mercer County, PA
CandidateVotesPct
Joe Biden (D) 21,067 36.2%
Donald Trump* (R) 36,143 62.2%
Jo Jorgensen (Lbt) 744 1.3%
Other 163 0.3%
TOTAL 58,117
Turnout: 66% Diff (St): 14 Diff (US): 15


2016 President, Mercer County, PA
CandidateVotesPct
Hillary Clinton (D) 18,733 35.5%
Donald Trump (R) 31,544 59.7%
Gary Johnson (Lbt) 1,370 2.6%
Jill Stein (Grn) 415 0.8%
Other 777 1.5%
TOTAL 52,839
Turnout: 59% Diff (St): 12 Diff (US): 14


2012 President, Mercer County, PA
CandidateVotesPct
Barack Obama* (D) 24,232 47.5%
Mitt Romney (R) 25,925 50.8%
Gary Johnson (Lbt) 487 1.0%
Other 395 0.8%
TOTAL 51,039
Turnout: 56% Diff (St): 4 Diff (US): 4


2008 President, Mercer County, PA
CandidateVotesPct
Barack Obama (D) 26,411 48.8%
John McCain (R) 26,565 49.0%
Ralph Nader (I) 611 1.1%
Bob Barr (Lbt) 234 0.4%
Other 347 0.6%
TOTAL 54,168
Turnout: 59% Diff (St): 5 Diff (US): 3


2004 President, Mercer County, PA
CandidateVotesPct
George W. Bush* (R) 26,311 51.0%
John Kerry (D) 24,831 48.2%
Other 422 0.8%
TOTAL 51,564
Turnout: 56% Diff (St): 3 Diff (US): 0


2000 President, Mercer County, PA
CandidateVotesPct
George W. Bush (R) 23,132 47.5%
Albert Gore, Jr. (D) 23,817 48.9%
Ralph Nader (Grn) 1,073 2.2%
Pat Buchanan (Ref) 285 0.6%
Other 425 0.9%
TOTAL 48,732
Turnout: 53% Diff (St): 1 Diff (US): 0


1996 President, Mercer County, PA
CandidateVotesPct
Bill Clinton* (D) 23,003 50.2%
Robert Dole (R) 17,213 37.6%
Ross Perot (Ref) 5,108 11.2%
Harry Browne (Lbt) 132 0.3%
Other 323 0.7%
TOTAL 45,779
Turnout: 50% Diff (St): -2 Diff (US): -3


1992 President, Mercer County, PA
CandidateVotesPct
Bill Clinton (D) 23,264 46.7%
George Bush* (R) 16,081 32.3%
Ross Perot (I) 10,277 20.6%
Other 214 0.4%
TOTAL 49,836
Turnout: 54% Diff (St): -4 Diff (US): -5


1988 President, Mercer County, PA
CandidateVotesPct
George Bush (R) 21,301 46.4%
Michael Dukakis (D) 24,278 52.9%
Ron Paul (Lbt) 81 0.2%
Other 220 0.5%
TOTAL 45,880
Turnout: 49% Diff (St): -4 Diff (US): -7


1984 President, Mercer County, PA
CandidateVotesPct
Ronald Reagan* (R) 24,211 49.1%
Walter Mondale (D) 24,658 50.0%
Other 434 0.9%
TOTAL 49,303
Turnout: 53% Diff (St): -4 Diff (US): -10


1980 President, Mercer County, PA
CandidateVotesPct
Ronald Reagan (R) 22,372 48.5%
Jimmy Carter* (D) 19,716 42.8%
John Anderson (I) 3,247 7.0%
Edward Clark (Lbt) 378 0.8%
Other 377 0.8%
TOTAL 46,090
Turnout: 49% Diff (St): -1 Diff (US): -2


1976 President, Mercer County, PA
CandidateVotesPct
Jimmy Carter (D) 25,041 51.9%
Gerald Ford* (R) 22,469 46.6%
Eugene McCarthy (I) 413 0.9%
Other 312 0.6%
TOTAL 48,235
Turnout: 55% Diff (St): -1 Diff (US): -1


1972 President, Mercer County, PA
CandidateVotesPct
Richard Nixon* (R) 27,961 59.4%
George McGovern (D) 18,087 38.4%
John Schmitz (Amer) 985 2.1%
Other 67 0.1%
TOTAL 47,100
Turnout: 54% Diff (St): 0 Diff (US): -1


1968 President, Mercer County, PA
CandidateVotesPct
Richard Nixon (R) 23,131 47.1%
Hubert Humphrey (D) 22,814 46.5%
George Wallace (AIP) 3,033 6.2%
Other 127 0.3%
TOTAL 49,105
Turnout: 62% Diff (St): 3 Diff (US): 4


1964 President, Mercer County, PA
CandidateVotesPct
Lyndon Johnson* (D) 32,199 63.7%
Barry Goldwater (R) 18,153 35.9%
Other 211 0.4%
TOTAL 50,563
Turnout: 64% Diff (St): 1 Diff (US): -3


1960 President, Mercer County, PA
CandidateVotesPct
John Kennedy (D) 24,243 45.3%
Richard Nixon (R) 29,109 54.4%
Other 128 0.2%
TOTAL 53,480
Turnout: 67% Diff (St): 6 Diff (US): 5


1956 President, Mercer County, PA
CandidateVotesPct
Dwight Eisenhower* (R) 28,785 59.1%
Adlai Stevenson (D) 19,769 40.6%
Other 120 0.2%
TOTAL 48,674
Turnout: 61% Diff (St): 3 Diff (US): 2


1952 President, Mercer County, PA
CandidateVotesPct
Dwight Eisenhower (R) 26,424 55.6%
Adlai Stevenson (D) 20,770 43.7%
Other 343 0.7%
TOTAL 47,537
Turnout: 63% Diff (St): 3 Diff (US): 0


1948 President, Mercer County, PA
CandidateVotesPct
Harry Truman* (D) 16,108 44.9%
Thomas Dewey (R) 18,916 52.7%
Henry Wallace (Prog) 540 1.5%
Other 322 0.9%
TOTAL 35,886
Turnout: 51% Diff (St): 2 Diff (US): 8


1944 President, Mercer County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 16,589 45.6%
Thomas Dewey (R) 19,606 53.9%
Other 212 0.6%
TOTAL 36,407
Turnout: 54% Diff (St): 5 Diff (US): 8


1940 President, Mercer County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 16,968 44.4%
Wendell Willkie (R) 21,058 55.1%
Other 175 0.5%
TOTAL 38,201
Turnout: 60% Diff (St): 9 Diff (US): 10


1936 President, Mercer County, PA
CandidateVotesPct
Franklin Roosevelt* (D) 20,879 51.8%
Alf Landon (R) 18,493 45.9%
William Lemke (Union) 552 1.4%
Norman Thomas (Soc) 166 0.4%
Other 221 0.5%
TOTAL 40,311
Turnout: 69% Diff (St): 5 Diff (US): 9


1932 President, Mercer County, PA
CandidateVotesPct
Franklin Roosevelt (D) 10,961 41.7%
Herbert Hoover* (R) 14,057 53.5%
Norman Thomas (Soc) 827 3.1%
Other 413 1.6%
TOTAL 26,258
Turnout: 45% Diff (St): 3 Diff (US): 14


1928 President, Mercer County, PA
CandidateVotesPct
Herbert Hoover (R) 22,599 72.7%
Al Smith (D) 8,204 26.4%
Norman Thomas (Soc) 125 0.4%
Other 155 0.5%
TOTAL 31,083
Turnout: 55% Diff (St): 7 Diff (US): 15


1924 President, Mercer County, PA
CandidateVotesPct
Calvin Coolidge (R) 14,639 65.3%
John Davis (D) 3,688 16.4%
Robert LaFollette (Prog) 3,580 16.0%
Other 513 2.3%
TOTAL 22,420
Turnout: 41% Diff (St): 0 Diff (US): 11


1920 President, Mercer County, PA
CandidateVotesPct
Warren Harding (R) 11,575 60.3%
James Cox (D) 4,823 25.1%
Eugene Debs (Soc) 1,009 5.3%
Parley Christiansen (FL) 102 0.5%
Aaron Watkins (Proh) 1,677 8.7%
Other 13 0.1%
TOTAL 19,199
Turnout: 36% Diff (St): -5 Diff (US): 0


1916 President, Mercer County, PA
CandidateVotesPct
Woodrow Wilson* (D) 6,390 46.5%
Charles Evans Hughes (R) 5,866 42.7%
Allan Benson (Soc) 725 5.3%
James Hanly (Proh) 766 5.6%
Other 4 0.0%
TOTAL 13,751
Turnout: 27% Diff (St): -12 Diff (US): -3


1912 President, Mercer County, PA
CandidateVotesPct
Woodrow Wilson (D) 4,039 31.8%
Theodore Roosevelt (Prog) 4,418 34.7%
William Taft* (R) 1,873 14.7%
Eugene Debs (Soc) 1,708 13.4%
Eugene Chafin (Proh) 677 5.3%
Other 3 0.0%
TOTAL 12,718
Turnout: 27% Diff (St): -8 Diff (US): -8


1908 President, Mercer County, PA
CandidateVotesPct
William Taft (R) 6,497 47.3%
William J. Bryan (D) 5,473 39.8%
Eugene Debs (Soc) 607 4.4%
Eugene Chafin (Proh) 1,137 8.3%
Thomas Hisgen (I) 10 0.1%
Other 20 0.1%
TOTAL 13,744
Turnout: 33% Diff (St): -12 Diff (US): -4


1904 President, Mercer County, PA
CandidateVotesPct
Theodore Roosevelt (R) 8,574 60.7%
Alton Parker (D) 3,845 27.2%
Eugene Debs (Soc) 736 5.2%
Silas Swallow (Proh) 958 6.8%
Other 20 0.1%
TOTAL 14,133
Turnout: 38% Diff (St): -7 Diff (US): 4


1900 President, Mercer County, PA
CandidateVotesPct
William McKinley* (R) 6,950 55.9%
William J. Bryan (D) 4,916 39.6%
John Woolley (Proh) 473 3.8%
Eugene Debs (Soc) 37 0.3%
Other 49 0.4%
TOTAL 12,425
Turnout: 39% Diff (St): -5 Diff (US): 4
* incumbent

Historical Statewide Election Results for Mercer County, PA

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 51% Mehmet Oz (R) 27,049 59.6% John Fetterman (D) 17,080 37.7% 1,223 [+] 2.7% 45,352 13 0.84%
2022 G 51% Doug Mastriano (R) 26,273 58.0% Josh Shapiro (D) 18,282 40.3% 776 [+] 1.7% 45,331 16 0.84%
2018 S1 46% Lou Barletta (R) 22,290 54.2% Bob Casey, Jr.* (D) 18,136 44.1% 671 [+] 1.6% 41,097 12 0.82%
2018 G 46% Scott Wagner (R) 22,211 54.0% Tom Wolf* (D) 18,200 44.3% 689 [+] 1.7% 41,100 13 0.82%
2016 S3 58% Pat Toomey* (R) 30,567 59.0% Katie McGinty (D) 19,193 37.0% 2,046 [+] 3.9% 51,806 10 0.86%
2014 G 33% Tom Corbett* (R) 15,397 51.6% Tom Wolf (D) 14,466 48.4% 0 0.0% 29,863 6 0.85%
2012 S1 55% Tom Smith (R) 24,772 49.4% Bob Casey, Jr.* (D) 24,314 48.4% 1,101 [+] 2.2% 50,187 5 0.89%
2010 S3 39% Pat Toomey (R) 20,095 55.7% Joe Sestak (D) 16,000 44.3% 0 0.0% 36,095 5 0.91%
2010 G 40% Tom Corbett (R) 21,146 58.4% Dan Onorato (D) 15,047 41.6% 0 0.0% 36,193 4 0.91%
2006 S1 41% Bob Casey, Jr. (D) 21,640 57.1% Rick Santorum* (R) 16,274 42.9% 0 0.0% 37,914 2 0.93%
2006 G 42% Ed Rendell* (D) 19,888 52.2% Lynn Swann (R) 18,237 47.8% 0 0.0% 38,125 8 0.93%
2004 S3 56% Arlen Specter* (R) 26,401 51.7% Joseph Hoeffel (D) 21,511 42.1% 3,161 [+] 6.2% 51,073 -1 0.92%
2002 G 34% Mike Fisher (R) 16,429 52.4% Ed Rendell (D) 14,161 45.1% 787 [+] 2.5% 31,377 8 0.88%
2000 S1 50% Rick Santorum* (R) 23,157 50.2% Ron Klink (D) 22,191 48.1% 755 [+] 1.6% 46,103 -2 0.97%
1998 S3 32% Arlen Specter* (R) 15,904 54.5% Bill Lloyd (D) 12,122 41.6% 1,145 [+] 3.9% 29,171 -7 0.99%
1998 G 33% Tom Ridge* (R) 15,958 52.8% Ivan Itkin (D) 10,349 34.2% 3,931 [+] 13.0% 30,238 -5 1.00%
1994 S1 38% Rick Santorum (R) 18,133 51.7% Harris Wofford* (D) 16,288 46.4% 671 [+] 1.9% 35,092 2 1.00%
1994 G 38% Tom Ridge (R) 19,617 55.3% Mark Singel (D) 12,294 34.7% 3,546 [+] 10.0% 35,457 10 0.99%
1992 S3 49% Lynn Yeakel (D) 24,113 52.7% Arlen Specter* (R) 19,749 43.2% 1,855 [+] 4.1% 45,717 -6 0.95%
1991 S1 36% Harris Wofford (D) 20,150 59.9% Richard Thornburgh (R) 13,497 40.1% 0 0.0% 33,647 -5 0.99%
1990 G 37% Robert Casey* (D) 24,078 69.7% Barbara Hafer (R) 10,479 30.3% 0 0.0% 34,557 -2 1.13%
1988 S1 46% John Heinz* (R) 27,378 63.4% Joseph Vignola (D) 15,388 35.6% 407 [+] 0.9% 43,173 -3 0.99%
1986 S3 37% Arlen Specter* (R) 18,560 54.3% Bob Edgar (D) 15,230 44.5% 420 [+] 1.2% 34,210 -2 1.01%
1986 G 38% Robert Casey (D) 19,406 54.8% William Scranton III (R) 15,577 44.0% 398 [+] 1.1% 35,381 -4 1.04%
1982 S1 40% John Heinz* (R) 20,329 54.2% Cyril Wecht (D) 16,415 43.8% 737 [+] 2.0% 37,481 -5 1.04%
1982 G 41% Allen Ertel (D) 20,043 51.6% Richard Thornburgh* (R) 18,217 46.9% 607 [+] 1.6% 38,867 -4 1.06%
1980 S3 46% Pete Flaherty (D) 23,260 53.9% Arlen Specter (R) 19,098 44.3% 795 [+] 1.8% 43,153 -6 0.98%
1978 G 39% Pete Flaherty (D) 17,119 49.5% Richard Thornburgh (R) 17,052 49.3% 420 [+] 1.2% 34,591 -3 0.92%
1976 S1 52% John Heinz (R) 24,841 54.0% William Green (D) 20,720 45.1% 406 [+] 0.9% 45,967 2 1.01%
1974 S3 41% Richard Schweiker* (R) 18,496 51.4% Pete Flaherty (D) 16,941 47.0% 571 [+] 1.6% 36,008 -2 1.04%
1974 G 42% Andrew Lewis (R) 18,808 50.9% Milton Shapp* (D) 17,518 47.4% 634 [+] 1.7% 36,960 6 1.06%
1970 S1 46% Hugh Scott* (R) 18,464 49.4% William Sesler (D) 17,931 48.0% 982 [+] 2.6% 37,377 -2 1.03%
1970 G 47% Milton Shapp (D) 21,601 56.1% Raymond Broderick (R) 15,740 40.9% 1,153 [+] 3.0% 38,494 -1 1.04%
1968 S3 60% Richard Schweiker (R) 24,502 51.6% Joseph Clark* (D) 22,257 46.9% 694 [+] 1.5% 47,453 0 1.03%
1966 G 53% Raymond Shafer (R) 21,630 51.7% Milton Shapp (D) 19,448 46.5% 742 [+] 1.8% 41,820 0 1.03%
1964 S1 63% Genevieve Blatt (D) 25,255 50.7% Hugh Scott* (R) 24,412 49.0% 171 [+] 0.3% 49,838 -2 1.04%
1962 S3 54% Joseph Clark* (D) 21,514 49.9% James Van Zandt (R) 21,476 49.8% 96 [+] 0.2% 43,086 1 0.98%
1962 G 54% William Scranton (R) 24,841 57.6% Richardson Dilworth (D) 18,118 42.0% 141 [+] 0.3% 43,100 2 0.98%
*: 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 Mercer County, PA

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 PA16Mike Kelly* (R) 28,710 64.0% Dan Pastore (D) 16,153 36.0% 0 0.0% 44,863
County Total for 2022-11-08:   44,863
2020-11-03 PA16Mike Kelly* (R) 36,600 63.8% Kristy Gnibus (D) 20,804 36.2% 0 0.0% 57,404
County Total for 2020-11-03:   57,404
2018-11-06 PA16Mike Kelly* (R) 22,799 55.4% Ronald DiNicola (D) 17,842 43.3% 521 1.3% 41,162
County Total for 2018-11-06:   41,162
2016-11-08 PA03Mike Kelly* (R) 37,915 100.0% 0 0.0% 37,915
County Total for 2016-11-08:   37,915
2014-11-04 PA03Mike Kelly* (R) 17,647 59.3% Dan LaVallee (D) 12,123 40.7% 0 0.0% 29,770
County Total for 2014-11-04:   29,770
2012-11-06 PA03Missa Eaton (D) 24,692 49.1% Mike Kelly* (R) 23,869 47.5% 1,718 3.4% 50,279
County Total for 2012-11-06:   50,279
2010-11-02 PA03Mike Kelly (R) 19,049 59.0% Kathy Dahlkemper* (D) 13,252 41.0% 0 0.0% 32,301
2010-11-02 PA04Jason Altmire* (D) 2,729 69.8% Keith Rothfus (R) 1,181 30.2% 0 0.0% 3,910
County Total for 2010-11-02:   36,211
2008-11-04 PA03Kathy Dahlkemper (D) 24,062 51.7% Philip English* (R) 22,516 48.3% 0 0.0% 46,578
2008-11-04 PA04Jason Altmire* (D) 4,608 73.0% Melissa Hart (R) 1,706 27.0% 0 0.0% 6,314
County Total for 2008-11-04:   52,892
2006-11-07 PA03Steven Porter (D) 16,425 48.8% Philip English* (R) 15,886 47.2% 1,334 4.0% 33,645
2006-11-07 PA04Jason Altmire (D) 3,223 74.1% Melissa Hart* (R) 1,128 25.9% 0 0.0% 4,351
County Total for 2006-11-07:   37,996
2004-11-02 PA03Philip English* (R) 26,276 56.2% Steven Porter (D) 20,466 43.8% 0 0.0% 46,742
2004-11-02 PA04Stevan Drobac (D) 3,809 63.4% Melissa Hart* (R) 2,119 35.2% 84 1.4% 6,012
County Total for 2004-11-02:   52,754
2002-11-05 PA03Philip English* (R) 17,737 79.0% Andrea Benson (Green) 4,701 21.0% 0 0.0% 22,438
2002-11-05 PA04Stevan Drobac (D) 2,047 61.3% Melissa Hart* (R) 1,293 38.7% 0 0.0% 3,340
County Total for 2002-11-05:   25,778
2000-11-07 PA21Philip English* (R) 26,345 57.4% Marc Flitter (D) 19,539 42.6% 0 0.0% 45,884
County Total for 2000-11-07:   45,884
1996-11-05 PA21Ronald DiNicola (D) 22,839 53.1% Philip English* (R) 20,166 46.9% 0 0.0% 43,005
County Total for 1996-11-05:   43,005
1994-11-08 PA21Bill Leavens (D) 19,840 55.3% Philip English (R) 15,235 42.5% 787 2.2% 35,862
County Total for 1994-11-08:   35,862
1992-11-03 PA21Tom Ridge* (R) 30,338 65.8% John Harkins (D) 15,748 34.2% 0 0.0% 46,086
County Total for 1992-11-03:   46,086
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Mercer County, PA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 70,694 35,959 50.9% 25,165 35.6% 9,570 13.5% Rep +10,794 Rep +15.3% 80%
2022 72,285 35,945 49.7% 26,598 36.8% 9,742 13.5% Rep +9,347 Rep +12.9% 82%
2020 74,935 35,756 47.7% 29,347 39.2% 9,832 13.1% Rep +6,409 Rep +8.6% 85%
2018 71,481 31,722 44.4% 30,386 42.5% 9,373 13.1% Rep +1,336 Rep +1.9% 81%
2016 77,311 33,075 42.8% 34,104 44.1% 10,132 13.1% Dem +1,029 Dem +1.3% 86%
2014 72,719 29,438 40.5% 34,017 46.8% 9,264 12.7% Dem +4,579 Dem +6.3% 81%
2012 75,188 30,331 40.3% 35,876 47.7% 8,981 11.9% Dem +5,545 Dem +7.4% 83%
2010 72,578 29,130 40.1% 35,552 49.0% 7,896 10.9% Dem +6,422 Dem +8.8% 79%
2008 80,919 32,104 39.7% 39,957 49.4% 8,858 10.9% Dem +7,853 Dem +9.7% 88%
2006 77,603 31,999 41.2% 37,491 48.3% 8,113 10.5% Dem +5,492 Dem +7.1% 85%
2004 75,302 31,372 41.7% 36,345 48.3% 7,585 10.1% Dem +4,973 Dem +6.6% 82%
2002 69,473 30,567 44.0% 36,335 52.3% 2,571 3.7% Dem +5,768 Dem +8.3% 76%
2000 73,046 30,029 41.1% 36,130 49.5% 6,887 9.4% Dem +6,101 Dem +8.4% 79%
1998 67,782 28,002 41.3% 34,177 50.4% 5,603 8.3% Dem +6,175 Dem +9.1% 74%
1996 65,099 27,121 41.7% 32,968 50.6% 5,010 7.7% Dem +5,847 Dem +9.0% 71%
1994 56,811 23,751 41.8% 29,545 52.0% 3,515 6.2% Dem +5,794 Dem +10.2% 61%
1992 57,945 23,921 41.3% 30,478 52.6% 3,546 6.1% Dem +6,557 Dem +11.3% 63%
1990 55,221 23,352 42.3% 29,406 53.3% 2,463 4.5% Dem +6,054 Dem +11.0% 60%
1988 56,859 23,995 42.2% 30,287 53.3% 2,577 4.5% Dem +6,292 Dem +11.1% 61%
1986 58,368 24,471 41.9% 31,316 53.7% 2,581 4.4% Dem +6,845 Dem +11.7% 63%
1984 61,698 25,626 41.5% 33,244 53.9% 2,828 4.6% Dem +7,618 Dem +12.3% 66%
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.