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Knox County, IN


Micropolitan Statistical Area: Vincennes, IN
Designated Market Area: Terre Haute, IN-IL
USDA County Type (2025): Government
American Communities Project County Type (2023): Rural Middle America

Places in Knox County, IN     [Sort places by name]

 

Tracts in Knox County, IN

   



Click here to view demographic data for Knox County, IN

2024 population: 35,872   ( 415 from 2020)
Land area: 515.8 square miles
Population density: 69.5 persons per square mile

2024 Census data
White:32,236 89.86% 3.3%
Black:1,2283.42% 21.0%
Indian:1060.30% 23.3%
Asian:4821.34% 35.0%
2+ races:6501.81% 28.7%
Hispanic:1,1703.26% 18.4%
Total non-White:3,63610.14% 23.2%

2020-2024 ComponentsNumberRate
Births:1,618 11.1
Deaths:2,16914.9
Net Migration: -219-1.5
Net Immigration: 3582.5
Change in White population:-1,100 -3.0
Change in Non-White pop.:685 1.9



Historical Presidential Election Results for Knox County, IN

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R -419 R +23 R + 3.0%
D -442
2024 vs. 2016 R +159 R +306 R + 2.0%
D -147
2020 vs. 2016 R +578 R +283 D + 0.9%
D +295
2024 vs. 2012 R +1,624 R +3,227 R + 21.7%
D -1,603
2016 vs. 2008 R +2,438 R +6,235 R + 42.6%
D -3,797
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 54% Donald Trump (R) 11,236 74.3% Kamala Harris (D) 3,625 24.0% 262 [+] 1.7% 15,123 16 25 0.52%
2020 57% Donald Trump* (R) 11,655 72.7% Joe Biden (D) 4,067 25.4% 306 [+] 1.9% 16,028 16 26 0.53%
2016 53% Donald Trump (R) 11,077 71.4% Hillary Clinton (D) 3,772 24.3% 667 [+] 4.3% 15,516 15 25 0.56%
2012 51% Mitt Romney (R) 9,612 63.5% Barack Obama* (D) 5,228 34.5% 305 [+] 2.0% 15,145 9 16 0.58%
2008 54% John McCain (R) 8,639 52.6% Barack Obama (D) 7,569 46.1% 216 [+] 1.3% 16,424 4 7 0.60%
2004 52% George W. Bush* (R) 9,990 63.4% John Kerry (D) 5,649 35.9% 107 [+] 0.7% 15,746 3 13 0.64%
2000 50% George W. Bush (R) 8,485 56.4% Albert Gore, Jr. (D) 6,300 41.8% 269 [+] 1.8% 15,054 0 8 0.68%
1996 51% Bill Clinton* (D) 7,003 45.1% Robert Dole (R) 6,395 41.2% 2,134 [+] 13.7% 15,532 -6 0 0.73%
1992 57% Bill Clinton (D) 6,718 38.9% George Bush* (R) 6,683 38.7% 3,883 [+] 22.5% 17,284 -4 1 0.75%
1988 55% George Bush (R) 9,813 58.1% Michael Dukakis (D) 7,006 41.5% 62 [+] 0.4% 16,881 -2 5 0.78%
1984 56% Ronald Reagan* (R) 10,872 62.3% Walter Mondale (D) 6,417 36.8% 170 1.0% 17,459 1 3 0.78%
1980 60% Ronald Reagan (R) 10,083 53.6% Jimmy Carter* (D) 7,829 41.6% 910 [+] 4.8% 18,822 -2 3 0.84%
1976 64% Jimmy Carter (D) 9,612 51.0% Gerald Ford* (R) 9,100 48.3% 148 [+] 0.8% 18,860 -5 0 0.85%
1972 62% Richard Nixon* (R) 11,940 65.6% George McGovern (D) 6,089 33.5% 167 [+] 0.9% 18,196 0 5 0.86%
1968 68% Richard Nixon (R) 8,369 47.0% Hubert Humphrey (D) 7,297 41.0% 2,152 [+] 12.1% 17,818 -3 4 0.84%
1964 78% Lyndon Johnson* (D) 12,678 62.1% Barry Goldwater (R) 7,612 37.3% 121 0.6% 20,411 -6 -1 0.98%
1960 82% Richard Nixon (R) 11,490 53.4% John Kennedy (D) 9,918 46.1% 108 0.5% 21,516 -2 4 1.01%
1956 76% Dwight Eisenhower* (R) 13,047 59.8% Adlai Stevenson (D) 8,691 39.9% 63 0.3% 21,801 0 2 1.10%
1952 76% Dwight Eisenhower (R) 12,786 57.3% Adlai Stevenson (D) 9,384 42.1% 146 0.7% 22,316 -1 2 1.14%
1948 71% Harry Truman* (D) 11,650 55.0% Thomas Dewey (R) 9,250 43.7% 282 [+] 1.3% 21,182 -6 -1 1.28%
1944 68% Franklin Roosevelt* (D) 10,297 50.3% Thomas Dewey (R) 10,023 49.0% 143 0.7% 20,463 -3 3 1.22%
1940 78% Franklin Roosevelt* (D) 12,265 52.0% Wendell Willkie (R) 11,211 47.5% 114 0.5% 23,590 -3 3 1.32%
1936 78% Franklin Roosevelt* (D) 13,669 61.0% Alf Landon (R) 8,589 38.3% 142 [+] 0.6% 22,400 -4 2 1.36%
1932 74% Franklin Roosevelt (D) 14,084 66.6% Herbert Hoover* (R) 6,590 31.2% 466 [+] 2.2% 21,140 -12 -8 1.34%
1928 71% Herbert Hoover (R) 10,035 49.9% Al Smith (D) 9,837 48.9% 232 [+] 1.2% 20,104 -10 -8 1.41%
1924 66% John Davis (D) 8,603 44.9% Calvin Coolidge (R) 8,493 44.3% 2,072 [+] 10.8% 19,168 -11 -10 1.51%
1920 66% Warren Harding (R) 10,011 51.4% James Cox (D) 8,052 41.3% 1,416 [+] 7.3% 19,479 -4 -9 1.54%
1916 42% Woodrow Wilson* (D) 5,380 47.3% Charles Evans Hughes (R) 4,805 42.3% 1,179 [+] 10.4% 11,364 -5 -4 1.58%
1912 38% Woodrow Wilson (D) 4,448 45.6% William Taft* (R) 2,805 28.8% 2,499 [+] 25.6% 9,752 6 6 1.49%
1908 44% William J. Bryan (D) 5,116 51.2% William Taft (R) 4,247 42.5% 622 [+] 6.2% 9,985 -6 -9 1.38%
1904 43% Theodore Roosevelt (R) 4,278 47.9% Alton Parker (D) 4,093 45.9% 552 [+] 6.2% 8,923 -6 -8 1.31%
1900 42% William J. Bryan (D) 4,443 54.1% William McKinley* (R) 3,554 43.3% 215 [+] 2.6% 8,212 -7 -8 1.24%
* incumbent         PSV: percent of state vote

Historical Statewide Election Results for Knox County, IN

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 50% Jim Banks (R) 10,167 72.4% Valerie McCray (D) 3,501 24.9% 384 [+] 2.7% 14,052 14 0.50%
2024 G 51% Mike Braun (R) 9,880 68.8% Jennifer McCormick (D) 3,813 26.6% 658 [+] 4.6% 14,351 14 0.50%
2022 S3 36% Todd Young (R) 7,468 73.8% Thomas McDermott (D) 2,369 23.4% 277 [+] 2.7% 10,114 15 0.54%
2020 G 56% Eric Holcomb* (R) 11,210 70.8% Woody Myers (D) 2,809 17.7% 1,821 [+] 11.5% 15,840 14 0.52%
2018 S1 44% Mike Braun (R) 7,876 62.4% Joe Donnelly* (D) 3,977 31.5% 772 [+] 6.1% 12,625 12 0.55%
2016 S3 52% Todd Young (R) 7,816 51.7% Evan Bayh (D) 6,503 43.0% 810 [+] 5.4% 15,129 0 0.55%
2016 G 53% John Gregg (D) 8,597 55.8% Eric Holcomb (R) 6,511 42.3% 292 [+] 1.9% 15,400 -9 0.57%
2012 S1 49% Richard Mourdock (R) 6,959 47.5% Joe Donnelly (D) 6,873 46.9% 829 [+] 5.7% 14,661 3 0.57%
2012 G 51% John Gregg (D) 9,911 65.2% Mike Pence (R) 5,031 33.1% 253 [+] 1.7% 15,195 -16 0.59%
2010 S3 38% Dan Coats (R) 5,604 49.1% Brad Ellsworth (D) 5,230 45.9% 569 [+] 5.0% 11,403 -5 0.65%
2008 G 52% Jill Long (D) 8,165 52.1% Mitch Daniels* (R) 7,119 45.5% 376 [+] 2.4% 15,660 -12 0.58%
2006 S1 33% Richard Lugar* (R) 8,764 87.2% Steven Osborn (Libertarian) 1,290 12.8% 0 0.0% 10,054 0 0.75%
2004 S3 51% Evan Bayh* (D) 11,130 71.5% Marvin Scott (R) 4,275 27.5% 155 [+] 1.0% 15,560 -10 0.64%
2004 G 52% Joe Kernan* (D) 7,797 50.0% Mitch Daniels (R) 7,569 48.5% 228 [+] 1.5% 15,594 -5 0.64%
2000 S1 49% Richard Lugar* (R) 9,940 67.5% David Johnson (D) 4,549 30.9% 237 [+] 1.6% 14,726 1 0.69%
2000 G 49% Frank O'Bannon* (D) 9,619 64.8% David McIntosh (R) 5,063 34.1% 156 [+] 1.1% 14,838 -8 0.68%
1998 S3 40% Evan Bayh (D) 9,101 74.5% Paul Helmke (R) 3,003 24.6% 108 [+] 0.9% 12,212 -10 0.77%
1996 G 50% Frank O'Bannon (D) 9,398 61.5% Steve Goldsmith (R) 5,614 36.7% 273 [+] 1.8% 15,285 -10 0.72%
1994 S1 41% Richard Lugar* (R) 8,155 66.0% Jim Jontz (D) 3,953 32.0% 255 [+] 2.1% 12,363 -1 0.80%
1992 S3 54% Dan Coats* (R) 8,683 53.0% Joseph Hogsett (D) 7,239 44.2% 464 [+] 2.8% 16,386 -4 0.74%
1992 G 54% Evan Bayh* (D) 10,264 62.0% Linley Pearson (R) 6,109 36.9% 191 [+] 1.2% 16,564 0 0.74%
1990 S3 44% Dan Coats (R) 6,780 50.5% Baron Hill (D) 6,633 49.5% 0 0.0% 13,413 -3 0.89%
1988 S1 53% Richard Lugar* (R) 10,819 67.0% Jack Wickes (D) 5,339 33.0% 0 0.0% 16,158 -1 0.77%
1988 G 54% Evan Bayh (D) 10,133 60.8% John Mutz (R) 6,539 39.2% 0 0.0% 16,672 -8 0.78%
1986 S3 47% Dan Quayle* (R) 8,934 61.7% Jill Long (D) 5,321 36.7% 226 [+] 1.6% 14,481 1 0.94%
1984 G 55% Robert Orr* (R) 8,591 50.6% Wayne Townsend (D) 8,301 48.9% 90 [+] 0.5% 16,982 -2 0.77%
1982 S1 49% Richard Lugar* (R) 8,086 52.8% Floyd Fithian (D) 7,149 46.7% 73 [+] 0.5% 15,308 -1 0.84%
1980 S3 60% Dan Quayle (R) 9,646 51.9% Birch Bayh* (D) 8,953 48.1% 0 0.0% 18,599 -2 0.85%
1980 G 59% Robert Orr (R) 9,199 50.1% John Hillenbrand (D) 9,071 49.4% 96 [+] 0.5% 18,366 -8 0.84%
1976 S1 63% Richard Lugar (R) 10,620 57.2% Vance Hartke* (D) 7,901 42.6% 45 [+] 0.2% 18,566 -2 0.86%
1976 G 63% Otis Bowen* (R) 9,658 52.0% Larry Conrad (D) 8,884 47.8% 30 [+] 0.2% 18,572 -5 0.85%
1974 S3 55% Birch Bayh* (D) 8,387 52.0% Richard Lugar (R) 7,536 46.7% 198 [+] 1.2% 16,121 0 0.92%
1972 G 64% Otis Bowen (R) 9,489 51.0% Matthew Welsh (D) 9,013 48.5% 95 [+] 0.5% 18,597 -6 0.88%
1970 S1 62% Vance Hartke* (D) 9,098 54.3% Richard Roudebush (R) 7,643 45.7% 0 0.0% 16,741 -4 0.96%
1968 S3 71% Birch Bayh* (D) 10,792 57.9% William Ruckelshaus (R) 7,798 41.9% 36 [+] 0.2% 18,626 -6 0.91%
1968 G 71% Robert Rock (D) 9,693 52.1% Edgar Whitcomb (R) 8,872 47.7% 47 [+] 0.3% 18,612 -5 0.91%
1964 S1 77% Vance Hartke* (D) 11,794 58.2% Russell Bontrager (R) 8,362 41.3% 101 [+] 0.5% 20,257 -4 0.98%
1964 G 77% Roger Branigin (D) 12,543 62.0% Richard Ristine (R) 7,624 37.7% 77 [+] 0.4% 20,244 -6 0.98%
1962 S3 70% Birch Bayh (D) 10,255 55.6% Homer Capehart* (R) 8,200 44.4% 0 0.0% 18,455 -5 1.03%
1960 G 82% Matthew Welsh (D) 12,716 59.1% Crawford Parker (R) 8,750 40.7% 55 [+] 0.3% 21,521 -9 1.01%
*: 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 Knox County, IN

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 IN08Mark Messmer (R) 10,824 75.1% Erik Hurt (D) 3,249 22.5% 344 2.4% 14,417
County Total for 2024-11-05:   14,417
2022-11-08 IN08Larry Bucshon* (R) 7,025 68.7% Ray McCormick (D) 2,905 28.4% 289 2.8% 10,219
County Total for 2022-11-08:   10,219
2020-11-03 IN08Larry Bucshon* (R) 11,564 74.3% Thomasina Marsili (D) 3,468 22.3% 525 3.4% 15,557
County Total for 2020-11-03:   15,557
2018-11-06 IN08Larry Bucshon* (R) 8,763 71.5% William Tanoos (D) 3,489 28.5% 0 0.0% 12,252
County Total for 2018-11-06:   12,252
2016-11-08 IN08Larry Bucshon* (R) 10,156 68.6% Ron Drake (D) 4,002 27.1% 636 4.3% 14,794
County Total for 2016-11-08:   14,794
2014-11-04 IN08Larry Bucshon* (R) 6,342 64.0% Tom Spangler (D) 3,221 32.5% 347 3.5% 9,910
County Total for 2014-11-04:   9,910
2012-11-06 IN08Larry Bucshon* (R) 7,933 54.1% Dave Crooks (D) 6,194 42.2% 536 3.7% 14,663
County Total for 2012-11-06:   14,663
2010-11-02 IN08Larry Bucshon (R) 6,253 56.1% Trent Van Haaften (D) 4,236 38.0% 667 6.0% 11,156
County Total for 2010-11-02:   11,156
2008-11-04 IN08Brad Ellsworth* (D) 10,437 67.1% Greg Goode (R) 5,128 32.9% 0 0.0% 15,565
County Total for 2008-11-04:   15,565
2006-11-07 IN08Brad Ellsworth (D) 7,772 62.8% John Hostettler* (R) 4,604 37.2% 0 0.0% 12,376
County Total for 2006-11-07:   12,376
2004-11-02 IN08John Hostettler* (R) 8,143 52.8% Jon Jennings (D) 7,031 45.6% 255 1.7% 15,429
County Total for 2004-11-02:   15,429
2002-11-05 IN08John Hostettler* (R) 6,017 54.2% Bryan Hartke (D) 4,819 43.4% 258 2.3% 11,094
County Total for 2002-11-05:   11,094
2000-11-07 IN08John Hostettler* (R) 7,928 53.7% Paul Perry (D) 6,610 44.7% 239 1.6% 14,777
County Total for 2000-11-07:   14,777
1998-11-03 IN08John Hostettler* (R) 6,894 55.2% Gail Riecken (D) 5,350 42.8% 250 2.0% 12,494
County Total for 1998-11-03:   12,494
1996-11-05 IN08John Hostettler* (R) 7,480 49.1% Jonathan Weinzapfel (D) 7,462 49.0% 290 1.9% 15,232
County Total for 1996-11-05:   15,232
1994-11-08 IN08John Hostettler (R) 7,197 56.1% Frank McCloskey* (D) 5,643 43.9% 0 0.0% 12,840
County Total for 1994-11-08:   12,840
1992-11-03 IN08Richard Mourdock (R) 8,707 52.3% Frank McCloskey* (D) 7,616 45.7% 331 2.0% 16,654
County Total for 1992-11-03:   16,654
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Knox County, IN

Party registration is not used in this state, however as of 2022 registrations in Knox County, IN were estimated to be 42% Republican and 21% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 22,880 0 0.0% 0 0.0% 22,880 100.0% n/a n/a 81%
2022 22,379 0 0.0% 0 0.0% 22,379 100.0% n/a n/a 80%
2020 24,682 0 0.0% 0 0.0% 24,682 100.0% n/a n/a 88%
2018 24,333 0 0.0% 0 0.0% 24,333 100.0% n/a n/a 85%
2016 26,927 0 0.0% 0 0.0% 26,927 100.0% n/a n/a 93%
2014 26,327 0 0.0% 0 0.0% 26,327 100.0% n/a n/a 90%
2012 27,414 0 0.0% 0 0.0% 27,414 100.0% n/a n/a 92%
2010 27,151 0 0.0% 0 0.0% 27,151 100.0% n/a n/a 90%
2008 27,321 0 0.0% 0 0.0% 27,321 100.0% n/a n/a 90%
2006 26,237 0 0.0% 0 0.0% 26,237 100.0% n/a n/a 87%
2004 26,798 0 0.0% 0 0.0% 26,798 100.0% n/a n/a 89%
2002 27,555 0 0.0% 0 0.0% 27,555 100.0% n/a n/a 91%
2000 27,983 0 0.0% 0 0.0% 27,983 100.0% n/a n/a 93%
1994 22,064 0 0.0% 0 0.0% 22,064 100.0% n/a n/a 72%
1986 22,053 0 0.0% 0 0.0% 22,053 100.0% n/a n/a 71%
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.