The Millers currently sit top of the table, with 13 wins, five draws, and three defeats from their opening 21 matches.
That impressive run of form has left them with 44 points – two clear of second-placed Wigan Athletic.
But can they hope to continue their stellar form over the course of the remainder of the season?
FiveThirtyEight have meticulously simulated the last 25 games of the campaign to predict how League One' s final standings will look by the time May comes around.
But where will the Millers finish when all is said and done?
We’ve gathered all of the details you need to know, including the percentage probability of them being promoted. Check out our countdown from 24th to first below…
. SHEFFIELD, ENGLAND - AUGUST 01: A general view of the Puma EFL match ball prior to the Carabao Cup First Round match between Sheffield Wednesday and Huddersfield Town at Hillsborough on August 01, 2021 in Sheffield, England. (Photo by George Wood/Getty Images)
Puma EFL match ball (Photo by George Wood/Getty Images) Photo: George Wood
. 24th - Crewe Alexandra
Points: 39 Goal Difference: -33 Probability of relegation: 78% (Photo by James Chance/Getty Images) Photo: James Chance
. 23rd - Doncaster Rovers
Points: 39 Goal Difference: -40 Probability of relegation: 77% (Photo by Nathan Stirk/Getty Images) Photo: Nathan Stirk
. 22nd - Gillingham
Points: 43 Goal Difference: -26 Probability of relegation: 59% (Photo by Jacques Feeney/Getty Images) Photo: Jacques Feeney
. 21st - Morecambe
Points: 44 Goal Difference: -31 Probability of relegation: 58% (Photo by Alex Livesey/Getty Images) Photo: Alex Livesey
. 20th - Shrewsbury Town
Points: 48 Goal Difference: -16 Probability of relegation: 35% (Photo by Lewis Storey/Getty Images) Photo: Lewis Storey
. 19th - Cambridge United
Points: 54 Goal Difference: -14 Probability of relegation: 16% (Photo by Harriet Lander/Getty Images) Photo: Harriet Lander
. 18th - Fleetwood Town
Points: 54 Goal Difference: -6 Probability of relegation: 16% (Photo by Richard Heathcote/Getty Images) Photo: Richard Heathcote
. 17th - Lincoln City
Points: 55 Goal Difference: -9 Probability of relegation: 14% (Photo by George Wood/Getty Images) Photo: George Wood
1. 24th - Crewe Alexandra
Points: 39 Goal Difference: -33 Probability of relegation: 78% (Photo by James Chance/Getty Images) Photo: James Chance
2. 23rd - Doncaster Rovers
Points: 39 Goal Difference: -40 Probability of relegation: 77% (Photo by Nathan Stirk/Getty Images) Photo: Nathan Stirk
3. 22nd - Gillingham
Points: 43 Goal Difference: -26 Probability of relegation: 59% (Photo by Jacques Feeney/Getty Images) Photo: Jacques Feeney
4. 21st - Morecambe
Points: 44 Goal Difference: -31 Probability of relegation: 58% (Photo by Alex Livesey/Getty Images) Photo: Alex Livesey