Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Iowa St. is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1411 | 1432 | 1408 | 1414 |
| 2024 | 1386 | 1466 | 1401 | 1432 |
| 2023 | 1336 | 1472 | 1502 | 1406 |
| 2022 | 1356 | 1455 | 1530 | 1416 |
| 2021 | 1424 | 1484 | 1502 | 1389 |
| 2020 | 1395 | 1460 | 1482 | 1317 |
| 2019 | 1268 | 1483 | 1376 | 1335 |
| 2018 | 1229 | 1404 | 1369 | 1339 |
| 2017 | 1265 | 1382 | 1291 | 1308 |
| 2016 | 1328 | 1330 | 1200 | 1294 |
| 2015 | 1320 | 1250 | 1198 | 1277 |
| 2014 | 1279 | 1228 | 1182 | 1266 |
| 2013 | 1316 | 1210 | 1208 | 1289 |
| 2012 | 1334 | 1187 | 1235 | 1256 |
| 2011 | 1342 | 1190 | 1233 | 1239 |
| 2010 | 1328 | 1204 | 1252 | 1218 |
| 2009 | 1300 | 1246 | 1258 | 1174 |
| 2008 | 1212 | 1280 | 1258 | 1180 |
| 2007 | 1192 | 1286 | 1294 | 1226 |
| 2006 | 1186 | 1304 | 1290 | 1249 |
| 2005 | 1208 | 1300 | 1322 | 1292 |
| 2004 | 1256 | 1254 | 1220 | 1320 |
| 2003 | 1282 | 1264 | 1172 | 1317 |
| 2002 | 1335 | 1313 | 1212 | 1360 |
| 2001 | 1346 | 1296 | 1236 | 1328 |
| 2000 | 1342 | 1288 | 1274 | 1300 |