| 2025 | 6 | 1 | 10 | Alex Palou | DHL | Chip Ganassi Racing | Dallara/Honda | 231.378 | 02:57:38.2965 | 168.883 |
| 2024 | 3 | 1 | 2 | Josef Newgarden | Shell Powering Progress Team Penske | Team Penske | Dallara/Chevrolet | 233.808 | 02:58:49.4079 | 167.763 |
| 2023 | 17 | 1 | 2 | Josef Newgarden | Shell Powering Progress Team Penske | Team Penske | Dallara/Chevrolet | 232.402 | 02:58:21.9611 | 168.193 |
| 2022 | 5 | 1 | 8 | Marcus Ericsson | Huski Chocolate Chip Ganassi Racing Honda | Chip Ganassi Racing | Dallara/Honda | 232.764 | 2:51:00.6432 | 175.428 |
| 2021 | 8 | 1 | 6 | Helio Castroneves | AutoNation/SiriusXM | Meyer Shank Racing w/ Curb-Agajanian | Dallara/Honda | 230.355 | 02:37:19.3846 | 190.069 |
| 2020 | 3 | 1 | 30 | Takuma Sato | Panasonic / PeopleReady | Rahal Letterman Lanigan Racing | Dallara/Honda | 230.725 | 03:10:05.0880 | 157.824 |
| 2019 | 1 | 1 | 22 | Simon Pagenaud | Menards Team Penske | Team Penske | Dallara/Chevrolet | 229.992 | 02:50:39.2797 | 175.794 |
| 2018 | 3 | 1 | 12 | Will Power | Verizon Team Penske Chevrolet | Team Penske | Dallara/Chevrolet | 228.607 | 2:59:42.6365 | 166.935 |
| 2017 | 4 | 1 | 26 | Takuma Sato | Andretti Autosport Honda | Andretti Autosport | Dallara/Honda | 231.365 | 3:13:03.3584 | 155.395 |
| 2016 | 11 | 1 | 98 | Alexander Rossi | NAPA Auto Parts / Curb Honda | Andretti Herta Autosport with Curb-Agajanian | Dallara/Honda | 228.473 | 3:00:02.0872 | 166.634 |
| 2015 | 15 | 1 | 2 | Juan Pablo Montoya | Verizon Team Penske Chevrolet | Team Penske | Dallara/Chevrolet | 224.657 | 3:05:56.5286 | 161.341 |
| 2014 | 19 | 1 | 28 | Ryan Hunter-Reay | DHL Honda | Andretti Autosport | Dallara/Honda | 229.719 | 2:40:48.2305 | 186.563 |
| 2013 | 12 | 1 | 11 | Tony Kanaan | Hydroxycut KV Racing Technology-SH Racing | KV Racing Technology | Dallara/Chevrolet | 226.949 | 02:40:03.4181 | 187.433 |
| 2012 | 16 | 1 | 50 | Dario Franchitti | Target Chip Ganassi Racing | Target Chip Ganassi Racing | Dallara/Honda | 223.582 | 02:58:51.2532 | 167.734 |
| 2011 | 6 | 1 | 98 | Dan Wheldon | William Rast - Curb/Big Machine | Bryan Herta Autosport with Curb/Agajanian | Dallara/Honda | 226.49 | 02:56:11.7267 | 170.265 |
| 2010 | 3 | 1 | 10 | Dario Franchitti | Target Chip Ganassi Racing | Target Chip Ganassi Racing | Dallara/Honda | 226.99 | 03:05:37.0131 | 161.623 |
| 2009 | 1 | 1 | 3 | Helio Castroneves | Team Penske | Team Penske | Dallara/Honda | 224.864 | 03:19:34.6427 | 150.318 |
| 2008 | 1 | 1 | 9 | Scott Dixon | Target Chip Ganassi Racing | Target Chip Ganassi Racing | Dallara/Honda | 226.366 | 03:28:57.6792 | 143.567 |
| 2007 | 3 | 1 | 27 | Dario Franchitti | Canadian Club | Andretti Green Racing | Dallara/Honda | 225.191 | 02:44:03.5608 | 151.774 |
| 2006 | 1 | 1 | 6 | Sam Hornish Jr. | Marlboro Team Penske | Marlboro Team Penske | Dallara/Honda | 228.985 | 03:10:58.7590 | 157.085 |
| 2005 | 16 | 1 | 26 | Dan Wheldon | Klein Tools/Jim Beam | Andretti Green Racing | Dallara/Honda | 224.308 | 03:10:21.0769 | 157.603 |
| 2004 | 1 | 1 | 15 | Buddy Rice | Rahal-Letterman Argent/Pioneer | Rahal Letterman Racing | Panoz G Force/Honda | 222.024 | 03:14:55.2395 | 138.518 |
| 2003 | 10 | 1 | 6 | Gil de Ferran | Marlboro Team Penske | Marlboro Team Penske | Panoz G Force/Toyota | 228.633 | 03:11:56.9891 | 156.291 |
| 2002 | 13 | 1 | 3 | Helio Castroneves | Marlboro Team Penske | Marlboro Team Penske | Dallara/Chevrolet | 229.052 | 03:00:10.8714 | 166.499 |
| 2001 | 11 | 1 | 68 | Helio Castroneves | Marlboro Team Penske | Penske Racing | Dallara/Oldsmobile | 224.142 | 03:31:54.1800 | 141.574 |
| 2000 | 2 | 1 | 9 | Juan Pablo Montoya | Target | Target/Chip Ganassi Racing | G Force/Oldsmobile | 223.372 | 02:58:59.4310 | 167.607 |
| 1999 | 8 | 1 | 14 | Kenny Brack | A.J. Foyt PowerTeam Racing | A.J. Foyt Enterprises | Dallara/Oldsmobile Aurora | 222.659 | 03:15:51.1820 | 153.176 |
| 1998 | 17 | 1 | 51 | Eddie Cheever Jr. | Rachel's Potato Chips | Team Cheever | Dallara/Oldsmobile Aurora | 217.334 | 03:26:40.5240 | 145.155 |
| 1997 | 1 | 1 | 5 | Arie Luyendyk | Wavephore/Sprint PCS/Miller Lite/Provimi | Treadway Racing, LLC | G Force/Oldsmobile Aurora | 218.263 | 03:25:43.3880 | 145.827 |
| 1996 | 5 | 1 | 91 | Buddy Lazier | Hemelgarn Racing-Delta Faucet-Montana | Hemelgarn Racing, Inc. | Reynard/Ford Cosworth XB | 231.468 | 03:22:45.7530 | 147.956 |
| 1995 | 5 | 1 | 27 | Jacques Villeneuve | Player's LTD/Team Green | Team Green | Reynard/Ford Cosworth XB | 228.397 | 03:15:17.5610 | 153.616 |
| 1994 | 1 | 1 | 31 | Al Unser Jr. | Marlboro Penske | Penske Racing, Inc. | Penske/Mercedes Benz | 228.011 | 03:06:29.0060 | 160.872 |
| 1993 | 9 | 1 | 4 | Emerson Fittipaldi | Marlboro | Penske Racing | Penske/Chevrolet Indy C | 220.15 | 03:10:49.8600 | 157.207 |
| 1992 | 12 | 1 | 3 | Al Unser Jr. | Valvoline | Galles/Kraco Racing | Galmer/Chevrolet Indy A | 222.989 | 03:43:05.1480 | 134.477 |
| 1991 | 1 | 1 | 3 | Rick Mears | Marlboro | Penske Racing | Penske/Chevrolet Indy A | 224.113 | 02:50:00.7910 | 176.457 |
| 1990 | 3 | 1 | 30 | Arie Luyendyk | Domino's Pizza | Doug Shierson Racing | Lola/Chevrolet Indy | 223.304 | 02:41:18.4040 | 185.981 |
| 1989 | 3 | 1 | 20 | Emerson Fittipaldi | Marlboro | Patrick Racing | Penske/Chevrolet Indy | 222.329 | 02:59:01.0490 | 167.581 |
| 1988 | 1 | 1 | 5 | Rick Mears | Pennzoil Z-7 | Penske Racing | Penske/Chevrolet Indy | 219.198 | 03:27:10.2040 | 144.809 |
| 1987 | 20 | 1 | 25 | Al Unser | Cummins/Holset Turbo | Penske Racing | March/Cosworth | 207.423 | 03:04:59.1400 | 162.175 |
| 1986 | 4 | 1 | 3 | Bobby Rahal | Budweiser | Truesports | March/Cosworth | 213.55 | 02:55:43.4800 | 170.722 |
| 1985 | 8 | 1 | 5 | Danny Sullivan | Miller American | Penske Cars | March/Cosworth | 210.298 | 03:16:06.0600 | 152.982 |
| 1984 | 3 | 1 | 6 | Rick Mears | Pennzoil Z-7 | Penske Cars, Ltd | March/Cosworth | 207.847 | 03:03:21.6600 | 163.612 |
| 1983 | 4 | 1 | 5 | Tom Sneva | Texaco Star | Bignotti-Cotter, Inc. | March/Cosworth | 203.687 | 03:05:03.0600 | 162.117 |
| 1982 | 5 | 1 | 20 | Gordon Johncock | STP Oil Treatment | Patrick Racing Team | Wildcat/Cosworth | 201.884 | 03:05:09.1400 | 162.029 |
| 1981 | 1 | 1 | 3 | Bobby Unser | Norton Spirit | Penske Racing, Inc. | Penske/Cosworth | 200.546 | 03:35:41.7800 | 139.184 |
| 1980 | 1 | 1 | 4 | Johnny Rutherford | Pennzoil | Chaparral Racing, Ltd | Chaparral/Cosworth | 192.256 | 03:29:59.5600 | 142.862 |
| 1979 | 1 | 1 | 9 | Rick Mears | The Gould Charge | Penske Racing, Inc. | Penske/Cosworth | 193.736 | 03:08:47.9700 | 158.899 |
| 1978 | 5 | 1 | 2 | Al Unser | 1st National City Travelers Checks | Chaparral Racing, Ltd | Lola/Cosworth | 196.474 | 03:05:54.9900 | 161.363 |
| 1977 | 4 | 1 | 14 | A.J. Foyt | Gilmore Racing Team | A.J. Foyt Enterprises | Coyote/Foyt | 194.563 | 03:05:57.1600 | 161.331 |
| 1976 | 1 | 1 | 2 | Johnny Rutherford | Hy-Gain | Team McLaren, Ltd. | McLaren/Offy | 188.957 | 01:42:52.4800 | 148.725 |
| 1975 | 3 | 1 | 48 | Bobby Unser | Jorgensen Eagle | All American Racers | Eagle/Offy | 191.073 | 02:54:55.0800 | 149.213 |
| 1974 | 25 | 1 | 3 | Johnny Rutherford | McLaren | McLaren Cars, Ltd. | McLaren/Offy | 190.446 | 03:09:10.0600 | 158.589 |
| 1973 | 11 | 1 | 20 | Gordon Johncock | STP Double Oil Filter | Patrick Racing Team | Eagle/Offy | 192.555 | 02:05:26.5900 | 159.036 |
| 1972 | 3 | 1 | 66 | Mark Donohue | Sunoco McLaren | Roger Penske Enterprises | McLaren/Offy | 191.408 | 03:04:05.5400 | 162.962 |
| 1971 | 5 | 1 | 1 | Al Unser | Johnny Lightning | Vel's Parnelli Jones Ford | P.J. Colt/Ford | 174.622 | 03:10:11.5600 | 157.735 |
| 1970 | 1 | 1 | 2 | Al Unser | Johnny Lightning 500 | Vel's Parnelli Jones Ford | P.J. Colt/Ford | 170.221 | 03:12:37.0400 | 155.749 |
| 1969 | 2 | 1 | 2 | Mario Andretti | STP Oil Treatment | STP Corporation | Hawk III/Ford | 169.851 | 03:11:14.7100 | 156.867 |
| 1968 | 3 | 1 | 3 | Bobby Unser | Rislone | Leader Cards, Inc. | Eagle/Offy | 169.507 | 03:16:13.7600 | 152.882 |
| 1967 | 4 | 1 | 14 | A.J. Foyt | Sheraton-Thompson | Ansted-Thompson Racing | Coyote/Ford | 166.289 | 03:18:24.2200 | 151.207 |
| 1966 | 15 | 1 | 24 | Graham Hill | American Red Ball | John Mecom, Jr. | Lola/Ford | 159.243 | 03:27:52.5300 | 144.317 |
| 1965 | 2 | 1 | 82 | Jim Clark | Lotus powered by Ford | Team Lotus (Overseas), Ltd. | Lotus/Ford | 160.729 | 03:19:05.3400 | 150.686 |
| 1964 | 5 | 1 | 1 | A.J. Foyt | Sheraton-Thompson | Ansted-Thompson Racing | Watson/Offy | 154.672 | 03:23:35.8300 | 147.35 |
| 1963 | 1 | 1 | 98 | Parnelli Jones | Agajanian Willard Battery | J. C. Agajanian | Watson/Offy | 151.153 | 03:29:35.4000 | 143.137 |
| 1962 | 2 | 1 | 3 | Rodger Ward | Leader Card 500 Roadster | Leader Cards, Inc. | Watson/Offy | 149.371 | 03:33:50.3300 | 140.293 |
| 1961 | 7 | 1 | 1 | A.J. Foyt | Bowes Seal Fast | Bignotti-Bowes Racing Associates | Trevis/Offy | 145.903 | 03:35:37.4900 | 139.13 |
| 1960 | 2 | 1 | 4 | Jim Rathmann | Ken-Paul | Ken-Paul, Inc. | Watson/Offy | 146.371 | 03:36:11.3600 | 138.767 |
| 1959 | 6 | 1 | 5 | Rodger Ward | Leader Card 500 Roadster | Leader Cards, Inc. | Watson/Offy | 144.035 | 03:40:49.2000 | 135.857 |
| 1958 | 7 | 1 | 1 | Jimmy Bryan | Belond A.P. | George Salih | Salih/Offy | 144.185 | 03:44:13.8000 | 133.791 |
| 1957 | 13 | 1 | 9 | Sam Hanks | Belond Exhaust | George Salih | Salih/Offy | 142.812 | 03:41:14.2500 | 135.601 |
| 1956 | 1 | 1 | 8 | Pat Flaherty | John Zink | John Zink Co. | Watson/Offy | 145.596 | 03:53:28.8400 | 128.49 |
| 1955 | 14 | 1 | 6 | Bob Sweikert | John Zink | John Zink Co. | KK500D/Offy | 139.996 | 03:53:59.4300 | 128.209 |
| 1954 | 19 | 1 | 14 | Bill Vukovich | Fuel Injection | Howard Keck Co. | KK500A/Offy | 138.478 | 03:49:17.2700 | 130.84 |
| 1953 | 1 | 1 | 14 | Bill Vukovich | Fuel Injection | Howard Keck Co. | KK500A/Offy | 138.392 | 03:53:01.6900 | 127.74 |
| 1952 | 7 | 1 | 98 | Troy Ruttman | Agajanian | J. C. Agajanian | Kuzma/Offy | 135.364 | 03:52:41.8800 | 128.922 |
| 1951 | 2 | 1 | 99 | Lee Wallard | Belanger Motors | Murrell Belanger | Kurtis/Offy | 135.039 | 03:57:38.0500 | 126.244 |
| 1950 | 5 | 1 | 1 | Johnnie Parsons | Wynn's Friction Proofing | Kurtis-Kraft, Inc. | Kurtis/Offy | 132.044 | 02:46:55.9700 | 124.022 |
| 1949 | 4 | 1 | 7 | Bill Holland | Blue Crown Spark Plug | Lou Moore | Deidt/Offy | 128.673 | 04:07:15.9700 | 121.327 |
| 1948 | 3 | 1 | 3 | Mauri Rose | Blue Crown Spark Plug | Lou Moore | Deidt/Offy | 129.129 | 04:10:23.3300 | 119.814 |
| 1947 | 3 | 1 | 27 | Mauri Rose | Blue Crown Spark Plug | Lou Moore | Deidt/Offy | 124.04 | 04:17:52.1700 | 116.338 |
| 1946 | 15 | 1 | 16 | George Robson | Thorne Engineering | Thorne Engineering Corp. | Adams/Sparks | 125.541 | 04:21:16.7000 | 114.82 |
| 1941 | 17 | 1 | 16 | Floyd Davis | Noc-Out Hose Clamp | Lou Moore, Inc | Wetteroth/Offy | 121.106 | 04:20:36.2400 | 115.117 |
| 1940 | 2 | 1 | 1 | Wilbur Shaw | Boyle | Boyle Racing Headquarters | Maserati/Maserati | 127.065 | 04:22:31.1700 | 114.277 |
| 1939 | 3 | 1 | 2 | Wilbur Shaw | Boyle | Boyle Racing Headquarters | Maserati/Maserati | 128.977 | 04:20:47.3900 | 115.035 |
| 1938 | 1 | 1 | 23 | Floyd Roberts | Burd Piston Ring | Lou Moore | Wetteroth/Miller | 125.681 | 04:14:58.4000 | 117.2 |
| 1937 | 2 | 1 | 6 | Wilbur Shaw | Shaw-Gilmore | W. Wilbur Shaw | Shaw/Offy | 122.791 | 04:24:07.8000 | 113.58 |
| 1936 | 28 | 1 | 8 | Louis Meyer | Ring Free | Louis Meyer | Stevens/Miller | 114.171 | 04:35:03.3900 | 109.069 |
| 1935 | 22 | 1 | 5 | Kelly Petillo | Gilmore Speedway | Kelly Petillo | Wetteroth/Offy | 115.095 | 04:42:22.7100 | 106.24 |
| 1934 | 10 | 1 | 7 | Bill Cummings | Boyle Products | H. C. Henning | Miller/Miller | 116.116 | 04:46:05.2000 | 104.863 |
| 1933 | 6 | 1 | 36 | Louis Meyer | Tydol | Louis Meyer | Miller/Miller | 116.977 | 04:48:00.7500 | 104.162 |
| 1932 | 27 | 1 | 34 | Fred Frame | Miller-Hartz | Harry Hartz | Wetteroth/Miller | 113.856 | 04:48:03.7900 | 104.144 |
| 1931 | 13 | 1 | 23 | Louis Schneider | Bowes Seal Fast | B. L. Schneider | Stevens/Miller | 107.21 | 05:10:27.9300 | 96.629 |
| 1930 | 1 | 1 | 4 | Billy Arnold | Miller-Hartz | Harry Hartz | Summers/Miller | 113.268 | 04:58:39.7200 | 100.448 |
| 1929 | 6 | 1 | 2 | Ray Keech | Simplex Piston Ring | M. A. Yagle | Miller/Miller | 114.905 | 05:07:25.4200 | 97.585 |
| 1928 | 13 | 1 | 14 | Louis Meyer | Miller | Alden Sampson, II | Miller/Miller | 111.352 | 05:01:33.7500 | 99.482 |
| 1927 | 22 | 1 | 32 | George Souders | Duesenberg | William S. White | Duesenberg/Duesenberg | 111.551 | 05:07:33.0800 | 97.545 |
| 1926 | 20 | 1 | 15 | Frank Lockhart | Miller | Peter Kreis | Miller/Miller | 95.783 | 04:10:14.9500 | 95.904 |
| 1925 | 2 | 1 | 12 | Pete DePaolo | Duesenberg | Duesenberg Bros. | Duesenberg/Duesenberg | 113.083 | 04:56:39.4600 | 101.127 |
| 1924 | 21 | 1 | 15 | L.L. Corum | Duesenberg | Duesenberg Bros. | Duesenberg/Duesenberg | 93.833 | 05:05:23.5100 | 98.234 |
| 1923 | 1 | 1 | 1 | Tommy Milton | H.C.S. | H.C.S. Motor Co. | Miller/Miller | 108.17 | 05:29:50.1700 | 90.954 |
| 1922 | 1 | 1 | 35 | Jimmy Murphy | Murphy | Jimmy Murphy | Duesenberg/Miller | 100.5 | 05:17:30.7900 | 94.484 |
| 1921 | 20 | 1 | 2 | Tommy Milton | Frontenac | Louis Chevrolet | Frontenac/Frontenac | 93.05 | 05:34:44.6500 | 89.621 |
| 1920 | 6 | 1 | 4 | Gaston Chevrolet | Monroe | William Small Co. | Frontenac/Frontenac | 91.55 | 05:38:32.0000 | 88.618 |
| 1919 | 2 | 1 | 3 | Howdy Wilcox | Peugeot | Indianapolis Speedway Team Co. | Peugeot/Peugeot | 100.01 | 05:40:42.8700 | 88.05 |
| 1916 | 4 | 1 | 17 | Dario Resta | Peugeot | Peugeot Auto Racing Co. | Peugeot/Peugeot | 94.4 | 03:34:17.0000 | 84.001 |
| 1915 | 2 | 1 | 2 | Ralph DePalma | Mercedes | E.C. Patterson | Mercedes/Mercedes | 98.58 | 05:33:55.5100 | 89.84 |
| 1914 | 15 | 1 | 16 | Rene Thomas | Delage | L. Delage Co. | Delage/Delage | 94.54 | 06:03:45.0000 | 82.474 |
| 1913 | 7 | 1 | 16 | Jules Goux | Peugeot | Peugeot | Peugeot/Peugeot | 86.03 | 06:35:05.0000 | 75.933 |
| 1912 | 7 | 1 | 8 | Joe Dawson | National | National Motor Vehicle Co. | National/National | 86.13 | 06:21:06.0000 | 78.719 |
| 1911 | 28 | 1 | 32 | Ray Harroun | Marmon "Wasp" | Nordyke & Marmon Co. | Marmon/Marmon | 0 | 06:42:08.0000 | 74.602 |
