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Dauphin County, PA


Metropolitan Statistical Area: Harrisburg-Carlisle, PA
Designated Market Area: Harrisburg-Lancaster-Lebanon-York, PA
USDA County Type (2025): Government
American Communities Project County Type (2023): College Towns

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

 

Tracts in Dauphin County, PA

   



Click here to view demographic data for Dauphin County, PA

2024 population: 293,029   ( 6,637 from 2020)
Land area: 524.9 square miles
Population density: 558.3 persons per square mile

2024 Census data
White:175,659 59.95% 3.2%
Black:48,83216.66% 0.4%
Indian:4680.16% 4.9%
Asian:22,0267.52% 34.7%
2+ races:8,7592.99% 7.3%
Hispanic:37,28512.72% 19.3%
Total non-White:117,37040.05% 11.9%

2020-2024 ComponentsNumberRate
Births:13,826 12.1
Deaths:12,83511.2
Net Migration: -412-0.4
Net Immigration: 6,0045.2
Change in White population:-5,853 -2.0
Change in Non-White pop.:12,490 4.4



Historical Presidential Election Results for Dauphin County, PA

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +3,066 R +3,722 R + 2.7%
D -656
2024 vs. 2016 R +8,611 D +5,010 D + 2.9%
D +13,621
2020 vs. 2016 R +5,545 D +8,732 D + 5.6%
D +14,277
2024 vs. 2012 R +12,024 D +1,338 R + 0.1%
D +13,362
2016 vs. 2008 R +2,625 R +7,894 R + 6.1%
D -5,269
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 66% Kamala Harris (D) 78,327 52.2% Donald Trump (R) 69,474 46.3% 2,280 [+] 1.5% 150,081 -4 -3 2.13%
2020 66% Joe Biden (D) 78,983 53.4% Donald Trump* (R) 66,408 44.9% 2,510 [+] 1.7% 147,901 -4 -2 2.13%
2016 61% Hillary Clinton (D) 64,706 49.1% Donald Trump (R) 60,863 46.2% 6,214 [+] 4.7% 131,783 -2 0 2.14%
2012 59% Barack Obama* (D) 64,965 52.3% Mitt Romney (R) 57,450 46.2% 1,886 [+] 1.5% 124,301 0 -1 2.16%
2008 64% Barack Obama (D) 69,975 53.9% John McCain (R) 58,238 44.9% 1,632 [+] 1.3% 129,845 1 -1 2.16%
2004 62% George W. Bush* (R) 65,296 53.9% John Kerry (D) 55,299 45.6% 613 [+] 0.5% 121,208 5 3 2.10%
2000 53% George W. Bush (R) 53,631 53.3% Albert Gore, Jr. (D) 44,390 44.1% 2,637 [+] 2.6% 100,658 7 5 2.05%
1996 50% Robert Dole (R) 44,417 47.8% Bill Clinton* (D) 40,936 44.0% 7,618 [+] 8.2% 92,971 8 7 2.06%
1992 54% George Bush* (R) 45,479 46.0% Bill Clinton (D) 36,990 37.4% 16,441 [+] 16.6% 98,910 10 9 1.99%
1988 47% George Bush (R) 48,917 57.8% Michael Dukakis (D) 35,079 41.4% 681 [+] 0.8% 84,677 7 4 1.87%
1984 50% Ronald Reagan* (R) 54,330 61.3% Walter Mondale (D) 33,576 37.9% 752 0.8% 88,658 8 2 1.83%
1980 46% Ronald Reagan (R) 44,039 56.2% Jimmy Carter* (D) 27,252 34.8% 7,096 [+] 9.1% 78,387 7 5 1.72%
1976 52% Gerald Ford* (R) 46,819 56.3% Jimmy Carter (D) 34,342 41.3% 1,961 [+] 2.4% 83,122 9 8 1.80%
1972 50% Richard Nixon* (R) 54,307 69.4% George McGovern (D) 22,587 28.9% 1,376 [+] 1.8% 78,270 10 9 1.70%
1968 58% Richard Nixon (R) 48,394 59.2% Hubert Humphrey (D) 25,480 31.2% 7,914 [+] 9.7% 81,788 15 16 1.72%
1964 64% Lyndon Johnson* (D) 46,119 51.6% Barry Goldwater (R) 42,718 47.8% 594 0.7% 89,431 13 9 1.85%
1960 69% Richard Nixon (R) 61,726 64.2% John Kennedy (D) 33,962 35.3% 427 0.4% 96,115 15 15 1.92%
1956 65% Dwight Eisenhower* (R) 61,342 67.5% Adlai Stevenson (D) 29,226 32.1% 375 0.4% 90,943 11 10 1.99%
1952 67% Dwight Eisenhower (R) 58,385 65.1% Adlai Stevenson (D) 30,985 34.6% 286 0.3% 89,656 12 10 1.96%
1948 61% Thomas Dewey (R) 46,861 62.2% Harry Truman* (D) 27,729 36.8% 796 [+] 1.1% 75,386 11 17 2.02%
1944 64% Thomas Dewey (R) 44,725 59.0% Franklin Roosevelt* (D) 30,684 40.5% 333 0.4% 75,742 11 13 2.00%
1940 71% Wendell Willkie (R) 42,394 52.4% Franklin Roosevelt* (D) 38,305 47.3% 276 0.3% 80,975 6 8 1.99%
1936 82% Franklin Roosevelt* (D) 43,256 51.8% Alf Landon (R) 39,598 47.4% 644 [+] 0.8% 83,498 7 11 2.02%
1932 61% Herbert Hoover* (R) 36,278 60.3% Franklin Roosevelt (D) 22,412 37.3% 1,462 [+] 2.4% 60,152 9 21 2.10%
1928 62% Herbert Hoover (R) 49,108 83.8% Al Smith (D) 9,115 15.6% 394 [+] 0.7% 58,617 19 26 1.86%
1924 45% Calvin Coolidge (R) 27,838 68.0% John Davis (D) 9,004 22.0% 4,074 [+] 10.0% 40,916 3 14 1.91%
1920 45% Warren Harding (R) 26,094 65.4% James Cox (D) 11,990 30.0% 1,839 [+] 4.6% 39,923 0 5 2.16%
1916 31% Charles Evans Hughes (R) 13,954 52.2% Woodrow Wilson* (D) 11,483 42.9% 1,315 [+] 4.9% 26,752 -2 6 2.06%
1912 32% Theodore Roosevelt (Prog) 10,676 41.3% Woodrow Wilson (D) 7,470 28.9% 7,673 [+] 29.7% 25,819 1 0 2.12%
1908 33% William Taft (R) 15,637 63.4% William J. Bryan (D) 7,546 30.6% 1,488 [+] 6.0% 24,671 4 12 1.95%
1904 33% Theodore Roosevelt (R) 16,508 72.6% Alton Parker (D) 5,040 22.2% 1,186 [+] 5.2% 22,734 5 16 1.84%
1900 35% William McKinley* (R) 14,673 64.2% William J. Bryan (D) 7,390 32.3% 783 [+] 3.4% 22,846 3 13 1.95%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Dauphin County, PA

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 66% Bob Casey, Jr.* (D) 77,022 51.7% Dave McCormick (R) 66,949 44.9% 4,985 [+] 3.3% 148,956 -4 2.14%
2022 S3 51% John Fetterman (D) 61,599 53.8% Mehmet Oz (R) 50,141 43.8% 2,706 [+] 2.4% 114,446 -3 2.13%
2022 G 51% Josh Shapiro (D) 68,585 60.0% Doug Mastriano (R) 43,580 38.1% 2,233 [+] 2.0% 114,398 -4 2.13%
2018 S1 50% Bob Casey, Jr.* (D) 59,533 54.8% Lou Barletta (R) 47,152 43.4% 2,023 [+] 1.9% 108,708 1 2.17%
2018 G 50% Tom Wolf* (D) 64,045 59.0% Scott Wagner (R) 42,436 39.1% 2,068 [+] 1.9% 108,549 -2 2.17%
2016 S3 60% Pat Toomey* (R) 63,740 49.5% Katie McGinty (D) 62,551 48.6% 2,383 [+] 1.9% 128,674 1 2.13%
2014 G 37% Tom Wolf (D) 40,376 50.8% Tom Corbett* (R) 39,111 49.2% 0 0.0% 79,487 4 2.27%
2012 S1 58% Bob Casey, Jr.* (D) 65,235 54.1% Tom Smith (R) 53,649 44.5% 1,726 [+] 1.4% 120,610 0 2.14%
2010 S3 43% Pat Toomey (R) 49,021 55.7% Joe Sestak (D) 38,913 44.3% 0 0.0% 87,934 5 2.21%
2010 G 43% Tom Corbett (R) 53,261 60.5% Dan Onorato (D) 34,813 39.5% 0 0.0% 88,074 6 2.21%
2006 S1 44% Bob Casey, Jr. (D) 46,622 53.3% Rick Santorum* (R) 40,832 46.7% 0 0.0% 87,454 5 2.14%
2006 G 44% Lynn Swann (R) 47,294 54.4% Ed Rendell* (D) 39,711 45.6% 0 0.0% 87,005 15 2.12%
2004 S3 60% Arlen Specter* (R) 68,693 58.4% Joseph Hoeffel (D) 40,562 34.5% 8,438 [+] 7.2% 117,693 6 2.12%
2002 G 41% Mike Fisher (R) 44,231 55.5% Ed Rendell (D) 33,537 42.0% 1,996 [+] 2.5% 79,764 11 2.23%
2000 S1 51% Rick Santorum* (R) 54,986 56.1% Ron Klink (D) 40,047 40.9% 2,976 [+] 3.0% 98,009 4 2.07%
1998 S3 32% Arlen Specter* (R) 41,397 68.0% Bill Lloyd (D) 17,209 28.3% 2,273 [+] 3.7% 60,879 7 2.06%
1998 G 33% Tom Ridge* (R) 39,914 64.8% Ivan Itkin (D) 13,203 21.4% 8,486 [+] 13.8% 61,603 7 2.04%
1994 S1 41% Rick Santorum (R) 42,187 55.1% Harris Wofford* (D) 31,226 40.8% 3,183 [+] 4.2% 76,596 6 2.18%
1994 G 42% Tom Ridge (R) 34,689 44.6% Mark Singel (D) 27,844 35.8% 15,201 [+] 19.6% 77,734 -1 2.17%
1992 S3 53% Arlen Specter* (R) 54,399 56.1% Lynn Yeakel (D) 37,178 38.3% 5,433 [+] 5.6% 97,010 7 2.02%
1991 S1 37% Richard Thornburgh (R) 36,798 54.8% Harris Wofford (D) 30,313 45.2% 0 0.0% 67,111 10 1.98%
1990 G 33% Robert Casey* (D) 43,063 71.9% Barbara Hafer (R) 16,833 28.1% 0 0.0% 59,896 -4 1.96%
1988 S1 46% John Heinz* (R) 61,564 74.8% Joseph Vignola (D) 20,040 24.4% 684 [+] 0.8% 82,288 8 1.88%
1986 S3 38% Arlen Specter* (R) 43,717 65.1% Bob Edgar (D) 23,015 34.3% 379 [+] 0.6% 67,111 9 1.99%
1986 G 38% William Scranton III (R) 37,641 56.0% Robert Casey (D) 29,116 43.3% 502 [+] 0.7% 67,259 8 1.99%
1982 S1 39% John Heinz* (R) 45,075 66.2% Cyril Wecht (D) 21,877 32.1% 1,157 [+] 1.7% 68,109 7 1.89%
1982 G 41% Allen Ertel (D) 37,538 52.8% Richard Thornburgh* (R) 32,796 46.1% 799 [+] 1.1% 71,133 -5 1.93%
1980 S3 43% Arlen Specter (R) 46,777 63.3% Pete Flaherty (D) 26,237 35.5% 910 [+] 1.2% 73,924 13 1.67%
1978 G 40% Richard Thornburgh (R) 42,546 65.8% Pete Flaherty (D) 21,426 33.1% 732 [+] 1.1% 64,704 13 1.73%
1976 S1 51% John Heinz (R) 48,916 60.5% William Green (D) 31,028 38.4% 937 [+] 1.2% 80,881 8 1.78%
1974 S3 39% Richard Schweiker* (R) 40,858 66.1% Pete Flaherty (D) 20,011 32.4% 967 [+] 1.6% 61,836 13 1.78%
1974 G 40% Milton Shapp* (D) 31,885 50.7% Andrew Lewis (R) 30,337 48.2% 705 [+] 1.1% 62,927 3 1.80%
1970 S1 45% Hugh Scott* (R) 40,366 62.0% William Sesler (D) 21,850 33.5% 2,919 [+] 4.5% 65,135 11 1.79%
1970 G 45% Raymond Broderick (R) 35,515 53.9% Milton Shapp (D) 27,021 41.0% 3,374 [+] 5.1% 65,910 12 1.78%
1968 S3 56% Richard Schweiker (R) 51,217 64.5% Joseph Clark* (D) 25,509 32.1% 2,627 [+] 3.3% 79,353 13 1.72%
1966 G 54% Raymond Shafer (R) 49,406 65.1% Milton Shapp (D) 22,953 30.2% 3,547 [+] 4.7% 75,906 13 1.87%
1964 S1 64% Hugh Scott* (R) 52,723 59.4% Genevieve Blatt (D) 35,576 40.1% 434 [+] 0.5% 88,733 9 1.85%
1962 S3 62% James Van Zandt (R) 54,122 62.6% Joseph Clark* (D) 32,189 37.2% 198 [+] 0.2% 86,509 14 1.97%
1962 G 62% William Scranton (R) 56,702 65.7% Richardson Dilworth (D) 29,420 34.1% 234 [+] 0.3% 86,356 10 1.97%
*: 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 Dauphin County, PA

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 PA10Janelle Stelson (D) 80,272 54.5% Scott Perry* (R) 66,986 45.5% 0 0.0% 147,258
County Total for 2024-11-05:   147,258
2022-11-08 PA10Shamaine Daniels (D) 58,919 51.7% Scott Perry* (R) 55,140 48.3% 0 0.0% 114,059
County Total for 2022-11-08:   114,059
2020-11-03 PA10Eugene DePasquale (D) 75,460 52.2% Scott Perry* (R) 69,065 47.8% 0 0.0% 144,525
County Total for 2020-11-03:   144,525
2018-11-06 PA10George Scott (D) 58,605 54.1% Scott Perry* (R) 49,767 45.9% 0 0.0% 108,372
County Total for 2018-11-06:   108,372
2016-11-08 PA04Josh Burkholder (D) 14,192 82.5% Scott Perry* (R) 3,004 17.5% 0 0.0% 17,196
2016-11-08 PA11Lou Barletta* (R) 41,524 55.2% Mike Marsicano (D) 33,763 44.8% 0 0.0% 75,287
2016-11-08 PA15Charlie Dent* (R) 21,565 63.9% Rick Daugherty (D) 11,367 33.7% 836 2.5% 33,768
County Total for 2016-11-08:   126,251
2014-11-04 PA04Linda Thompson (D) 4,961 58.4% Scott Perry* (R) 3,532 41.6% 0 0.0% 8,493
2014-11-04 PA11Lou Barletta* (R) 28,567 59.8% Andy Ostrowski (D) 19,172 40.2% 0 0.0% 47,739
2014-11-04 PA15Charlie Dent* (R) 16,737 100.0% 0 0.0% 16,737
County Total for 2014-11-04:   72,969
2012-11-06 PA04Harry Perkinson (D) 14,093 81.9% Scott Perry (R) 2,790 16.2% 328 1.9% 17,211
2012-11-06 PA11Lou Barletta* (R) 35,252 50.6% Gene Stilp (D) 34,469 49.4% 0 0.0% 69,721
2012-11-06 PA15Charlie Dent* (R) 19,316 62.9% Rick Daugherty (D) 11,375 37.1% 0 0.0% 30,691
County Total for 2012-11-06:   117,623
2010-11-02 PA17Tim Holden* (D) 50,629 57.9% Dave Argall (R) 36,776 42.1% 0 0.0% 87,405
County Total for 2010-11-02:   87,405
2008-11-04 PA17Tim Holden* (D) 78,402 63.2% Toni Gilhooley (R) 45,654 36.8% 0 0.0% 124,056
County Total for 2008-11-04:   124,056
2006-11-07 PA17Tim Holden* (D) 53,071 61.7% Matthew Wertz (R) 32,976 38.3% 0 0.0% 86,047
County Total for 2006-11-07:   86,047
2004-11-02 PA17Tim Holden* (D) 68,622 57.9% Scott Paterno (R) 47,579 40.2% 2,240 1.9% 118,441
County Total for 2004-11-02:   118,441
2002-11-05 PA17George Gekas* (R) 44,998 56.5% Tim Holden* (D) 34,658 43.5% 0 0.0% 79,656
County Total for 2002-11-05:   79,656
2000-11-07 PA17George Gekas* (R) 66,407 67.7% Leslye Herrmann (D) 31,636 32.3% 0 0.0% 98,043
County Total for 2000-11-07:   98,043
1996-11-05 PA17George Gekas* (R) 63,694 70.4% Paul Kettl (D) 26,828 29.6% 0 0.0% 90,522
County Total for 1996-11-05:   90,522
1994-11-08 PA17George Gekas* (R) 60,259 100.0% 0 0.0% 60,259
County Total for 1994-11-08:   60,259
1992-11-03 PA17George Gekas* (R) 66,373 69.2% Bill Sturges (D) 29,561 30.8% 0 0.0% 95,934
County Total for 1992-11-03:   95,934
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Dauphin County, PA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2025 197,499 76,504 38.7% 84,432 42.8% 36,563 18.5% Dem +7,928 Dem +4.0% 87%
2024 203,657 78,821 38.7% 88,523 43.5% 36,313 17.8% Dem +9,702 Dem +4.8% 90%
2022 195,022 75,074 38.5% 88,202 45.2% 31,746 16.3% Dem +13,128 Dem +6.7% 86%
2020 197,823 77,467 39.2% 90,046 45.5% 30,310 15.3% Dem +12,579 Dem +6.4% 87%
2018 185,845 74,277 40.0% 84,056 45.2% 27,512 14.8% Dem +9,779 Dem +5.3% 84%
2016 190,307 76,867 40.4% 86,930 45.7% 26,510 13.9% Dem +10,063 Dem +5.3% 87%
2014 176,358 71,939 40.8% 80,614 45.7% 23,805 13.5% Dem +8,675 Dem +4.9% 82%
2012 179,041 74,185 41.4% 81,778 45.7% 23,078 12.9% Dem +7,593 Dem +4.2% 85%
2010 170,060 71,399 42.0% 78,184 46.0% 20,477 12.0% Dem +6,785 Dem +4.0% 83%
2008 192,724 81,851 42.5% 86,853 45.1% 24,020 12.5% Dem +5,002 Dem +2.6% 95%
2006 177,647 84,541 47.6% 69,674 39.2% 23,432 13.2% Rep +14,867 Rep +8.4% 89%
2004 171,350 83,501 48.7% 66,237 38.7% 21,612 12.6% Rep +17,264 Rep +10.1% 87%
2002 146,877 75,938 51.7% 54,383 37.0% 16,556 11.3% Rep +21,555 Rep +14.7% 76%
2000 159,823 83,185 52.0% 59,138 37.0% 17,500 10.9% Rep +24,047 Rep +15.0% 84%
1998 146,527 78,495 53.6% 53,803 36.7% 14,229 9.7% Rep +24,692 Rep +16.9% 77%
1996 137,129 75,174 54.8% 50,140 36.6% 11,815 8.6% Rep +25,034 Rep +18.3% 73%
1994 116,332 65,640 56.4% 42,993 37.0% 7,699 6.6% Rep +22,647 Rep +19.5% 63%
1992 117,846 66,257 56.2% 43,754 37.1% 7,835 6.6% Rep +22,503 Rep +19.1% 64%
1990 106,663 61,669 57.8% 39,366 36.9% 5,628 5.3% Rep +22,303 Rep +20.9% 58%
1988 105,977 61,346 57.9% 38,829 36.6% 5,802 5.5% Rep +22,517 Rep +21.2% 59%
1986 107,699 62,828 58.3% 38,234 35.5% 6,637 6.2% Rep +24,594 Rep +22.8% 60%
1984 111,859 64,660 57.8% 40,131 35.9% 7,068 6.3% Rep +24,529 Rep +21.9% 64%
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.