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Union County, PA


Micropolitan Statistical Area: Lewisburg, PA
Designated Market Area: Wilkes Barre-Scranton-Hazleton, PA
USDA County Type (2025): Government, Low Employment
American Communities Project County Type (2023): Rural Middle America

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

 

Tracts in Union County, PA

   



Click here to view demographic data for Union County, PA

2024 population: 42,159   ( 526 from 2020)
Land area: 316.0 square miles
Population density: 133.4 persons per square mile

2024 Census data
White:36,235 85.95% 1.9%
Black:2,1145.01% 8.6%
Indian:1160.28% 7.2%
Asian:8542.03% 16.8%
2+ races:5781.37% 7.2%
Hispanic:2,2625.37% 11.5%
Total non-White:5,92414.05% 3.2%

2020-2024 ComponentsNumberRate
Births:1,565 9.2
Deaths:1,85010.8
Net Migration: -645-3.8
Net Immigration: 3442.0
Change in White population:-712 -1.7
Change in Non-White pop.:186 0.4



Historical Presidential Election Results for Union County, PA

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +613 R +73 D + 1.0%
D +540
2024 vs. 2016 R +2,347 R +512 D + 2.8%
D +1,835
2020 vs. 2016 R +1,734 R +439 D + 1.8%
D +1,295
2024 vs. 2012 R +3,073 R +1,167 D + 0.1%
D +1,906
2016 vs. 2008 R +763 R +1,916 R + 11.7%
D -1,153
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 62% Donald Trump (R) 12,969 61.0% Kamala Harris (D) 8,015 37.7% 273 [+] 1.3% 21,257 11 11 0.30%
2020 58% Donald Trump* (R) 12,356 61.2% Joe Biden (D) 7,475 37.0% 361 [+] 1.8% 20,192 13 14 0.29%
2016 50% Donald Trump (R) 10,622 60.0% Hillary Clinton (D) 6,180 34.9% 894 [+] 5.1% 17,696 12 14 0.29%
2012 45% Mitt Romney (R) 9,896 60.6% Barack Obama* (D) 6,109 37.4% 332 [+] 2.0% 16,337 14 13 0.28%
2008 49% John McCain (R) 9,859 56.4% Barack Obama (D) 7,333 42.0% 283 [+] 1.6% 17,475 12 11 0.29%
2004 47% George W. Bush* (R) 10,334 64.1% John Kerry (D) 5,700 35.4% 89 [+] 0.6% 16,123 16 13 0.28%
2000 40% George W. Bush (R) 8,523 64.7% Albert Gore, Jr. (D) 4,209 31.9% 443 [+] 3.4% 13,175 18 17 0.27%
1996 38% Robert Dole (R) 6,570 56.0% Bill Clinton* (D) 3,658 31.2% 1,496 [+] 12.8% 11,724 16 15 0.26%
1992 42% George Bush* (R) 6,362 51.9% Bill Clinton (D) 3,623 29.5% 2,280 [+] 18.6% 12,265 16 14 0.25%
1988 41% George Bush (R) 7,912 71.0% Michael Dukakis (D) 3,163 28.4% 61 [+] 0.5% 11,136 20 18 0.25%
1984 41% Ronald Reagan* (R) 7,792 73.7% Walter Mondale (D) 2,747 26.0% 40 0.4% 10,579 20 15 0.22%
1980 42% Ronald Reagan (R) 6,798 66.3% Jimmy Carter* (D) 2,687 26.2% 771 [+] 7.5% 10,256 17 16 0.22%
1976 45% Gerald Ford* (R) 6,309 63.7% Jimmy Carter (D) 3,405 34.4% 188 [+] 1.9% 9,902 16 16 0.21%
1972 45% Richard Nixon* (R) 6,905 73.6% George McGovern (D) 2,278 24.3% 202 [+] 2.2% 9,385 14 13 0.20%
1968 52% Richard Nixon (R) 6,422 69.7% Hubert Humphrey (D) 2,178 23.6% 615 [+] 6.7% 9,215 26 26 0.19%
1964 54% Barry Goldwater (R) 4,944 53.6% Lyndon Johnson* (D) 4,262 46.2% 10 0.1% 9,216 19 15 0.19%
1960 58% Richard Nixon (R) 7,466 78.8% John Kennedy (D) 1,993 21.0% 13 0.1% 9,472 30 29 0.19%
1956 51% Dwight Eisenhower* (R) 6,620 78.1% Adlai Stevenson (D) 1,844 21.8% 14 0.2% 8,478 22 21 0.19%
1952 51% Dwight Eisenhower (R) 6,558 80.2% Adlai Stevenson (D) 1,610 19.7% 13 0.2% 8,181 27 25 0.18%
1948 45% Thomas Dewey (R) 5,058 76.8% Harry Truman* (D) 1,442 21.9% 87 [+] 1.3% 6,587 26 32 0.18%
1944 53% Thomas Dewey (R) 5,585 76.2% Franklin Roosevelt* (D) 1,704 23.2% 41 0.6% 7,330 28 30 0.19%
1940 60% Wendell Willkie (R) 5,612 71.5% Franklin Roosevelt* (D) 2,220 28.3% 22 0.3% 7,854 25 27 0.19%
1936 75% Alf Landon (R) 5,589 65.0% Franklin Roosevelt* (D) 2,946 34.2% 67 [+] 0.8% 8,602 24 28 0.21%
1932 54% Herbert Hoover* (R) 3,534 61.6% Franklin Roosevelt (D) 1,948 34.0% 252 [+] 4.4% 5,734 11 22 0.20%
1928 65% Herbert Hoover (R) 5,708 87.5% Al Smith (D) 765 11.7% 54 [+] 0.8% 6,527 22 29 0.21%
1924 54% Calvin Coolidge (R) 3,707 71.6% John Davis (D) 1,209 23.3% 262 [+] 5.1% 5,178 6 18 0.24%
1920 50% Warren Harding (R) 3,305 71.4% James Cox (D) 1,155 24.9% 170 [+] 3.7% 4,630 6 11 0.25%
1916 35% Charles Evans Hughes (R) 1,902 58.1% Woodrow Wilson* (D) 1,272 38.8% 102 [+] 3.1% 3,276 4 12 0.25%
1912 36% Theodore Roosevelt (Prog) 1,776 51.3% Woodrow Wilson (D) 1,126 32.5% 563 [+] 16.2% 3,465 -9 -10 0.28%
1908 40% William Taft (R) 2,547 66.9% William J. Bryan (D) 1,154 30.3% 107 [+] 2.8% 3,808 8 15 0.30%
1904 38% Theodore Roosevelt (R) 2,548 69.3% Alton Parker (D) 1,034 28.1% 97 [+] 2.6% 3,679 1 13 0.30%
1900 42% William McKinley* (R) 2,810 65.8% William J. Bryan (D) 1,359 31.8% 100 [+] 2.3% 4,269 5 14 0.36%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Union County, PA

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 61% Dave McCormick (R) 12,747 60.5% Bob Casey, Jr.* (D) 7,872 37.4% 453 [+] 2.1% 21,072 12 0.30%
2022 S3 47% Mehmet Oz (R) 9,401 58.4% John Fetterman (D) 6,249 38.8% 444 [+] 2.8% 16,094 12 0.30%
2022 G 47% Doug Mastriano (R) 8,897 55.2% Josh Shapiro (D) 6,898 42.8% 318 [+] 2.0% 16,113 14 0.30%
2018 S1 41% Lou Barletta (R) 8,317 57.6% Bob Casey, Jr.* (D) 5,901 40.9% 223 [+] 1.5% 14,441 15 0.29%
2018 G 41% Scott Wagner (R) 7,676 53.3% Tom Wolf* (D) 6,426 44.6% 294 [+] 2.0% 14,396 13 0.29%
2016 S3 49% Pat Toomey* (R) 10,568 60.4% Katie McGinty (D) 6,092 34.8% 841 [+] 4.8% 17,501 12 0.29%
2014 G 28% Tom Corbett* (R) 5,362 52.8% Tom Wolf (D) 4,784 47.2% 0 0.0% 10,146 8 0.29%
2012 S1 44% Tom Smith (R) 9,592 59.7% Bob Casey, Jr.* (D) 6,112 38.0% 370 [+] 2.3% 16,074 15 0.29%
2010 S3 32% Pat Toomey (R) 7,618 65.2% Joe Sestak (D) 4,059 34.8% 0 0.0% 11,677 14 0.29%
2010 G 32% Tom Corbett (R) 8,121 68.9% Dan Onorato (D) 3,668 31.1% 0 0.0% 11,789 14 0.30%
2006 S1 33% Rick Santorum* (R) 6,614 57.6% Bob Casey, Jr. (D) 4,876 42.4% 0 0.0% 11,490 16 0.28%
2006 G 33% Lynn Swann (R) 6,503 56.5% Ed Rendell* (D) 5,006 43.5% 0 0.0% 11,509 17 0.28%
2004 S3 46% Arlen Specter* (R) 9,996 63.3% Joseph Hoeffel (D) 4,744 30.1% 1,047 [+] 6.6% 15,787 11 0.28%
2002 G 28% Mike Fisher (R) 6,058 63.9% Ed Rendell (D) 3,153 33.3% 265 [+] 2.8% 9,476 20 0.26%
2000 S1 39% Rick Santorum* (R) 9,041 70.0% Ron Klink (D) 3,468 26.8% 411 [+] 3.2% 12,920 18 0.27%
1998 S3 25% Arlen Specter* (R) 5,927 73.3% Bill Lloyd (D) 1,872 23.2% 285 [+] 3.5% 8,084 12 0.27%
1998 G 25% Tom Ridge* (R) 5,395 68.2% Ivan Itkin (D) 1,700 21.5% 815 [+] 10.3% 7,910 11 0.26%
1994 S1 31% Rick Santorum (R) 5,673 61.2% Harris Wofford* (D) 3,182 34.3% 416 [+] 4.5% 9,271 12 0.26%
1994 G 30% Tom Ridge (R) 5,539 60.9% Mark Singel (D) 2,445 26.9% 1,113 [+] 12.2% 9,097 15 0.25%
1992 S3 42% Arlen Specter* (R) 6,653 54.7% Lynn Yeakel (D) 4,631 38.1% 870 [+] 7.2% 12,154 6 0.25%
1991 S1 31% Richard Thornburgh (R) 5,486 62.2% Harris Wofford (D) 3,335 37.8% 0 0.0% 8,821 17 0.26%
1990 G 26% Robert Casey* (D) 4,694 65.8% Barbara Hafer (R) 2,440 34.2% 0 0.0% 7,134 2 0.23%
1988 S1 40% John Heinz* (R) 9,144 84.2% Joseph Vignola (D) 1,624 15.0% 92 [+] 0.8% 10,860 18 0.25%
1986 S3 30% Arlen Specter* (R) 5,836 72.3% Bob Edgar (D) 2,191 27.1% 45 [+] 0.6% 8,072 16 0.24%
1986 G 29% William Scranton III (R) 4,882 62.7% Robert Casey (D) 2,810 36.1% 93 [+] 1.2% 7,785 14 0.23%
1982 S1 33% John Heinz* (R) 6,200 74.9% Cyril Wecht (D) 1,943 23.5% 131 [+] 1.6% 8,274 16 0.23%
1982 G 33% Richard Thornburgh* (R) 4,791 57.1% Allen Ertel (D) 3,564 42.5% 40 [+] 0.5% 8,395 6 0.23%
1980 S3 42% Arlen Specter (R) 6,697 65.6% Pete Flaherty (D) 3,338 32.7% 175 [+] 1.7% 10,210 15 0.23%
1978 G 36% Richard Thornburgh (R) 6,079 75.1% Pete Flaherty (D) 1,944 24.0% 71 [+] 0.9% 8,094 23 0.22%
1976 S1 45% John Heinz (R) 6,412 65.1% William Green (D) 3,346 34.0% 85 [+] 0.9% 9,843 13 0.22%
1974 S3 35% Richard Schweiker* (R) 5,358 72.6% Pete Flaherty (D) 1,915 25.9% 111 [+] 1.5% 7,384 20 0.21%
1974 G 35% Andrew Lewis (R) 4,905 66.0% Milton Shapp* (D) 2,434 32.8% 88 [+] 1.2% 7,427 21 0.21%
1970 S1 39% Hugh Scott* (R) 5,054 69.3% William Sesler (D) 1,891 25.9% 353 [+] 4.8% 7,298 18 0.20%
1970 G 39% Raymond Broderick (R) 4,533 62.0% Milton Shapp (D) 2,475 33.9% 301 [+] 4.1% 7,309 20 0.20%
1968 S3 51% Richard Schweiker (R) 6,533 71.7% Joseph Clark* (D) 2,310 25.4% 265 [+] 2.9% 9,108 20 0.20%
1966 G 47% Raymond Shafer (R) 5,906 71.9% Milton Shapp (D) 2,055 25.0% 251 [+] 3.1% 8,212 20 0.20%
1964 S1 54% Hugh Scott* (R) 6,359 68.6% Genevieve Blatt (D) 2,884 31.1% 27 [+] 0.3% 9,270 18 0.19%
1962 S3 55% James Van Zandt (R) 6,702 72.5% Joseph Clark* (D) 2,536 27.4% 11 [+] 0.1% 9,249 24 0.21%
1962 G 55% William Scranton (R) 7,031 76.0% Richardson Dilworth (D) 2,199 23.8% 25 [+] 0.3% 9,255 21 0.21%
*: 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 Union County, PA

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 PA15Glenn Thompson* (R) 13,406 64.3% Zach Womer (D) 7,455 35.7% 0 0.0% 20,861
County Total for 2024-11-05:   20,861
2022-11-08 PA15Glenn Thompson* (R) 9,881 61.8% Michael Molesevich (D) 6,110 38.2% 0 0.0% 15,991
County Total for 2022-11-08:   15,991
2020-11-03 PA12Fred Keller* (R) 13,214 66.4% Lee Griffin (D) 6,699 33.6% 0 0.0% 19,913
County Total for 2020-11-03:   19,913
2019-05-21 sp PA12Fred Keller (R) 6,151 66.9% Marc Friedenberg (D) 3,049 33.1% 0 0.0% 9,200
County Total for 2019-05-21:   9,200
2018-11-06 PA12Tom Marino* (R) 8,952 62.3% Marc Friedenberg (D) 5,424 37.7% 0 0.0% 14,376
County Total for 2018-11-06:   14,376
2016-11-08 PA10Tom Marino* (R) 11,164 65.1% Scott Molesevich (D) 5,992 34.9% 0 0.0% 17,156
County Total for 2016-11-08:   17,156
2014-11-04 PA10Tom Marino* (R) 6,148 60.4% Scott Brion (D) 2,788 27.4% 1,241 12.2% 10,177
County Total for 2014-11-04:   10,177
2012-11-06 PA10Tom Marino* (R) 10,522 66.7% Philip Scollo (D) 5,250 33.3% 0 0.0% 15,772
County Total for 2012-11-06:   15,772
2010-11-02 PA10Tom Marino (R) 7,028 61.2% Chris Carney* (D) 4,463 38.8% 0 0.0% 11,491
County Total for 2010-11-02:   11,491
2008-11-04 PA10Chris Carney* (D) 8,509 50.5% Chris Hackett (R) 8,332 49.5% 0 0.0% 16,841
County Total for 2008-11-04:   16,841
2006-11-07 PA10Don Sherwood* (R) 5,789 51.2% Chris Carney (D) 5,527 48.8% 0 0.0% 11,316
County Total for 2006-11-07:   11,316
2004-11-02 PA10Don Sherwood* (R) 11,946 89.1% Veronica Hannevig (Constitution) 1,455 10.9% 0 0.0% 13,401
County Total for 2004-11-02:   13,401
2002-11-05 PA10Don Sherwood* (R) 7,973 91.5% Kurt Shotko (Green) 745 8.5% 0 0.0% 8,718
County Total for 2002-11-05:   8,718
2000-11-07 PA05John Peterson* (R) 9,547 83.7% William Belitskus (Green) 577 5.1% 1,283 11.2% 11,407
County Total for 2000-11-07:   11,407
1996-11-05 PA05John Peterson (R) 7,368 64.0% Ruth Rudy (D) 4,140 36.0% 0 0.0% 11,508
County Total for 1996-11-05:   11,508
1994-11-08 PA05Bill Clinger* (R) 7,311 100.0% 0 0.0% 7,311
County Total for 1994-11-08:   7,311
1992-11-03 PA05Bill Clinger* (R) 10,438 100.0% 0 0.0% 10,438
County Total for 1992-11-03:   10,438
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Union County, PA

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2025 26,292 14,407 54.8% 7,735 29.4% 4,150 15.8% Rep +6,672 Rep +25.4% 76%
2024 27,659 14,816 53.6% 8,274 29.9% 4,569 16.5% Rep +6,542 Rep +23.7% 80%
2022 26,295 14,014 53.3% 7,903 30.1% 4,378 16.6% Rep +6,111 Rep +23.2% 76%
2020 26,262 14,046 53.5% 7,907 30.1% 4,309 16.4% Rep +6,139 Rep +23.4% 76%
2018 24,044 12,679 52.7% 7,298 30.4% 4,067 16.9% Rep +5,381 Rep +22.4% 69%
2016 24,653 12,912 52.4% 7,616 30.9% 4,125 16.7% Rep +5,296 Rep +21.5% 70%
2014 22,191 11,744 52.9% 6,711 30.2% 3,736 16.8% Rep +5,033 Rep +22.7% 62%
2012 23,982 12,421 51.8% 7,480 31.2% 4,081 17.0% Rep +4,941 Rep +20.6% 66%
2010 22,174 11,915 53.7% 7,173 32.3% 3,086 13.9% Rep +4,742 Rep +21.4% 61%
2008 24,508 12,874 52.5% 8,159 33.3% 3,475 14.2% Rep +4,715 Rep +19.2% 68%
2006 22,446 12,838 57.2% 6,379 28.4% 3,229 14.4% Rep +6,459 Rep +28.8% 64%
2004 22,137 12,766 57.7% 6,281 28.4% 3,090 14.0% Rep +6,485 Rep +29.3% 64%
2002 19,464 11,690 60.1% 5,329 27.4% 2,445 12.6% Rep +6,361 Rep +32.7% 57%
2000 18,671 11,380 61.0% 5,123 27.4% 2,168 11.6% Rep +6,257 Rep +33.5% 56%
1998 16,400 10,260 62.6% 4,576 27.9% 1,564 9.5% Rep +5,684 Rep +34.7% 51%
1996 15,267 9,677 63.4% 4,303 28.2% 1,287 8.4% Rep +5,374 Rep +35.2% 49%
1994 14,384 8,966 62.3% 4,216 29.3% 1,202 8.4% Rep +4,750 Rep +33.0% 48%
1992 14,238 8,866 62.3% 4,196 29.5% 1,176 8.3% Rep +4,670 Rep +32.8% 49%
1990 13,509 8,627 63.9% 3,815 28.2% 1,067 7.9% Rep +4,812 Rep +35.6% 48%
1988 13,945 8,823 63.3% 4,029 28.9% 1,093 7.8% Rep +4,794 Rep +34.4% 51%
1986 12,849 8,292 64.5% 3,676 28.6% 881 6.9% Rep +4,616 Rep +35.9% 48%
1984 13,382 8,543 63.8% 3,864 28.9% 975 7.3% Rep +4,679 Rep +35.0% 52%
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.