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 | 1414 | 1434 | 1410 | 1418 |
| 2024 | 1389 | 1468 | 1404 | 1435 |
| 2023 | 1338 | 1475 | 1504 | 1408 |
| 2022 | 1359 | 1458 | 1532 | 1418 |
| 2021 | 1427 | 1486 | 1504 | 1392 |
| 2020 | 1398 | 1462 | 1485 | 1320 |
| 2019 | 1271 | 1485 | 1378 | 1338 |
| 2018 | 1232 | 1406 | 1372 | 1342 |
| 2017 | 1268 | 1386 | 1294 | 1312 |
| 2016 | 1332 | 1332 | 1202 | 1296 |
| 2015 | 1322 | 1253 | 1200 | 1280 |
| 2014 | 1282 | 1230 | 1184 | 1270 |
| 2013 | 1319 | 1214 | 1212 | 1292 |
| 2012 | 1337 | 1190 | 1238 | 1258 |
| 2011 | 1346 | 1192 | 1236 | 1242 |
| 2010 | 1330 | 1205 | 1255 | 1220 |
| 2009 | 1302 | 1247 | 1260 | 1175 |
| 2008 | 1214 | 1282 | 1260 | 1180 |
| 2007 | 1194 | 1288 | 1295 | 1228 |
| 2006 | 1188 | 1306 | 1292 | 1250 |
| 2005 | 1210 | 1302 | 1323 | 1292 |
| 2004 | 1258 | 1256 | 1220 | 1320 |
| 2003 | 1283 | 1264 | 1172 | 1317 |
| 2002 | 1336 | 1314 | 1212 | 1360 |
| 2001 | 1346 | 1297 | 1236 | 1328 |
| 2000 | 1342 | 1288 | 1275 | 1300 |