Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Iowa is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1446 | 1147 | 1550 | 1480 |
| 2024 | 1414 | 1156 | 1556 | 1462 |
| 2023 | 1292 | 1146 | 1584 | 1482 |
| 2022 | 1302 | 1218 | 1570 | 1440 |
| 2021 | 1332 | 1244 | 1544 | 1400 |
| 2020 | 1353 | 1313 | 1516 | 1422 |
| 2019 | 1310 | 1338 | 1476 | 1410 |
| 2018 | 1348 | 1312 | 1464 | 1382 |
| 2017 | 1343 | 1294 | 1422 | 1368 |
| 2016 | 1362 | 1300 | 1452 | 1342 |
| 2015 | 1333 | 1337 | 1447 | 1344 |
| 2014 | 1292 | 1320 | 1420 | 1361 |
| 2013 | 1302 | 1311 | 1468 | 1356 |
| 2012 | 1267 | 1322 | 1443 | 1304 |
| 2011 | 1295 | 1378 | 1470 | 1346 |
| 2010 | 1306 | 1359 | 1511 | 1368 |
| 2009 | 1296 | 1320 | 1502 | 1378 |
| 2008 | 1346 | 1298 | 1504 | 1328 |
| 2007 | 1292 | 1335 | 1461 | 1277 |
| 2006 | 1330 | 1386 | 1466 | 1283 |
| 2005 | 1306 | 1381 | 1498 | 1292 |
| 2004 | 1253 | 1360 | 1498 | 1332 |
| 2003 | 1362 | 1305 | 1470 | 1288 |
| 2002 | 1334 | 1344 | 1434 | 1264 |
| 2001 | 1270 | 1315 | 1360 | 1266 |
| 2000 | 1212 | 1276 | 1296 | 1252 |