Most wins in a season: 46 in 1922
Most losses in a season: 51 in 1922
|1922||Jamestown Jimkotans||Dakota League||46||51||Roster||Stats|
|1923||Jamestown Jimkotans||North Dakota League||32||35||Roster||Stats|
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.