The following is a summary of acts which authorized boundary changes for Monroe County.
- Private Acts of 1821, Chapter 78, established a line between Monroe and Roane counties from the south bank of the Tennessee River to the boundary line.
- Private Acts of 1821, Chapter 204, obligated the quarterly courts of the counties of McMinn and Monroe at their next session after January 1 following, to appoint a fit and suitable person to run and mark the line dividing the said counties beginning where the same commences from the Roane County line to the residence of Caleb Starr, the same to be paid a combined total of five dollars per day, plus expenses, for their services.
- Private Acts of 1822, Chapter 179, authorized the quarterly courts of Monroe and McMinn counties to make additional allowances to the persons who have run and marked the lines between the two counties.
- Acts of 1837-38, Chapter 304, changed the line between Monroe County and the districts named, commencing where the line between the Hiwassee and Ocoee Districts strikes the Monroe County line, thence with the line of said district to the corner of Township One and Township Two of the Ocoee District, in the third range east, between Section 5 in Township Two and Section 32 in Township One; thence with the township line and the North Carolina line, and all the area south and east of the above described line was declared to be a part of Monroe County.
- Acts of 1849-50, Chapter 80, rearranged the boundary line between Monroe County and McMinn County so as to include the plantation belonging to Samuel M. Johnston in Monroe County.
- Acts of 1849-50, Chapter 98, altered the line between Monroe County and McMinn County so that the line commenced on Star's Mountain on the dividing line between the Hiwassee and Ocoee Districts and east of north to the Monroe County line. The county court of each County was allowed to employ a surveyor to run and mark the line, as described herein, who was paid a fair compensation for their services. This act was amended by Public Acts of 1866-67, Chapter 23, which repealed the 11th Section, so that the county line ran with the northeast line of J. A. Tucker and that the families and land attached to McMinn County were required, as heretofore, to pay taxes to Monroe County.
- Acts of 1853-54, Chapter 106, changed the boundary line between Monroe County and McMinn County so that the farm and residence of Jessie Cunningham was included wholly within Monroe County.
- Acts of 1855-56, Chapter 28, changed the dividing line between the counties of Monroe and McMinn as to include the residence and lands of Thomas Lesly and eight other qualified voters in McMinn County.
- Acts of 1855-56, Chapter 122, changed the boundary line between Monroe and Polk counties so as to include the premises and lands of Burgis Witt in Monroe County.
- Public Acts of 1857-58, Chapter 83, rearranged the boundary lines between Monroe and Roane counties so as to include the properties of James Sewell, William Carter, William Elkins, John Billingsley and David H. Dickey within Monroe County.
- Private Acts of 1857-58, Chapter 129, changed the lines between Monroe and Polk counties so as to include the lands of C. H. Parr, Michael Read and Caleb Johnson, in Monroe County. Section 3, of the same act, altered the boundaries between Monroe County and McMinn County beginning at a point on the line near Jesse Elliott's, thence through the center section 5, 8, 17, 20, 29 and 32 in Township 4, thence on a direct line to the White Bluff on Star's Mountain.
- Private Acts of 1859-60, Chapter 196, changed the boundary line between Monroe County and Roane County so as to place all the lands and residences of D. H. Dickey and S. H. Caldwell in Monroe County, provided that the change did not obstruct the road leading from Kingston to the depot of the East Tennessee and Georgia Railroad.
- Public Acts of 1866-67, Chapter 9, realigned the boundary line between Monroe County and Roane County so that Carmichael's Island in the Tennessee River, be within Roane County.
- Public Acts of 1869-70 (2nd Sess.), Chapter 2, formed the new county of Christiana out of portions of Monroe, Roane and Blount counties around the Town of Loudon. The establishment of the new county was conditioned upon the approval by referendum of the people living in the affected areas.
- Public Acts of 1870-71, Chapter 53, stated that the county line between Monroe County and Loudon County ran through the land belonging to Jesse Richardson, making Richardson pay taxes in both counties, therefore, this act reorganized the lines so that all of Richardson's property was included in Loudon County and the properties of Archibald Bakum and Hugh Chestnut were placed entirely within Monroe County.
- . Public Acts of 1871, Chapter 91, changed the boundary line between the counties of Monroe and Loudon so as to moved all the lands belonging to Charles Moore, Charles H. Jones, William Harrison, William A. Upton, Jr., Dolphus Lowe and Margaret Lowe, out of Loudon County and into Monroe County. This provision was duplicated in Acts of 1872 (Called Sess.), Chapter 19.
- Acts of 1872 (Called Sess.), Chapter 19, changed the boundary line between the counties of Monroe and Meigs so as to include the lands of Elijah McPherson and David Webb in Meigs County.
- Public Acts of 1873, Chapter 86, changed the boundary line between Monroe County and Loudon County so as to place the lands of John B. Tipton, known as his home farm, the lands of Harris Tipton, William P. Kittrell, James Gaston's heirs, Patton Blankensnip, Mary C. Mayo and Louisa M. Gay wholly within Loudon County, and moved the home and lands of Jacob K. Johnson from Loudon County into Monroe County. This act was repealed by Public Acts of 1875, Chapter 126.
- Public Acts of 1877, Chapter 130, changed the lines between Monroe County and Blount County so as to leave the Little Tennessee River where the said line now intersects the same, running in a northerly direction for one mile, or more; thence east and south to the said river, so as to include within Monroe County all the lands owned by Charles F. Henley, J. L. Johnson and John B. McGee, which adjoin each other.
- Public Acts of 1877, Chapter 163, moved the lands of W. J. Fowler out of Loudon County and into Monroe County.
- Public Acts of 1879, Chapter 137, detached the lands and residence of Darius Hudgings from Loudon County and attached the same to Monroe County.
- Public Acts of 1883, Chapter 102, transferred all the properties of M. P. Ray, R. E. McClain and C. S. McGhee out of Blount County and into Monroe County.
- Public Acts of 1883, Chapter 116, rearranged boundary lines between Monroe County and McMinn County so that the farms of H. B. Yarwood and Frank Keith were included wholly within Monroe County.
- Public Acts of 1885, Chapter 56, detached the portion of the lands belonging to D. M. Moser which were located in Loudon County and attached the same to Monroe County.
- Public Acts of 1887, Chapter 196, returned the lands of Louisa Gay to Monroe County and placed the properties of John Miller, J. E. Scrimsher, Joseph Sewell and David Miney within Loudon County. Section 2 moved the lands of Samuel Richee, Hannah Joines, James Land, Samuel Land and Andrew Morgan out of McMinn County and into Monroe County. This act was repealed by Public Acts of 1891, Chapter 214.
- Public Acts of 1889, Chapter 58, moved all the lands and property belonging to S. R. Murray out of Loudon County and into Monroe County.
- Public Acts of 1889, Chapter 199, transferred the lands of William David and H. Clay Kelso out of Loudon County and into Monroe County.
- Public Acts of 1889, Chapter 235, detached the lands of J. H. Lenard from Monroe County and attached the same to Loudon County.
- Public Acts of 1891, Chapter 67, transferred the lands of A. J. Hudgins from Loudon County into Monroe County.
- Public Acts of 1895, Chapter 27 changed the boundary lines between Loudon County and Monroe County so that the lands of John Cody be located wholly within Loudon County and the lands of Mrs. Bettie McCarroll be entirely situated in Monroe County.
- Private Acts of 1897, Chapter 169, moved the lands of Byrum Johnson out of Monroe County and placed them entirely within Loudon County.
- Private Acts of 1897, Chapter 206, changed the line between Loudon and Monroe County so that the properties belonging to H. C. Kelso, James Brison, Mrs. McCarroll, Robert Everett, James Scrimpsher, John W. Miller, Mat Cook, Cal Vernon, Joe Helton, Joseph Sewell, H. C. Call and David Mincey be located entirely within Loudon County.
- Private Acts of 1901, Chapter 306, changed the boundary line between Monroe County and Loudon County so as to include the farm of Will C. Cannon in Loudon County.
- Acts of 1903, Chapter 95, changed the boundary line between Monroe and Loudon counties so as to detached the land of W. G. Lenoir, lying between the Washington Road and the Town of Philadelphia from Monroe County and attached the same to Loudon County, containing 100 acres, more or less.
- Acts of 1903, Chapter 166, changed the boundary line between Monroe County and McMinn County so as to include all of the farms of William Thomas and G. M. Bilderback in the first civil district of Monroe County.
- Acts of 1905, Chapter 37, changed the boundary line between Monroe County and Loudon County so as to place all the lands of Mrs. Ada Hyden out of Loudon County and into Monroe County.
- Private Acts of 1915, Chapter 435, changed the boundary line between the counties of Monroe and McMinn so as to transfer all the land owned by O. A. Toomey, which was located in the second civil district of McMinn County, out of McMinn County and placed the same in Monroe County.
- Private Acts of 1921, Chapter 176, changed the boundary line between Monroe and McMinn counties so as to move the lands belonging to H. D. Joines out of the second civil district of McMinn County and into Monroe County.
- Private Acts of 1923, Chapter 181, changed the boundary line between Monroe and Loudon counties so as to remove the property of G. D. McCrary from the second civil district of Monroe County and attach the same in the fourth civil district of Loudon County.
- Private Acts of 1923, Chapter 229, changed the boundary lines between Monroe County and McMinn County so that the lands known as the White Cliff property, about 160 acres, the lands of Wash Adams, about 10 acres, the lands of R. L. Everhart, about 60 acres, and the old Mecca-White Cliff Road, be located wholly within McMinn County.
- Private Acts of 1925, Chapter 503, changed the boundary line between Monroe and McMinn County so as to detach the lands owned by L. O. Hicks and E. Ragan Lee, from McMinn County and attached them to Monroe County.
- Private Acts of 1927, Chapter 124, changed the boundary lines between Monroe County and Loudon County so as to remove the lands of Fred Griffitts, Ada M. Hyden and W. M. James, from the second civil district of Monroe County and into the fourth civil district of Loudon County.
- Private Acts of 1931, Chapter 767, changed the boundary line between Monroe and Loudon counties so as to move the land and residence belonging to W. H. Fresley out of the second civil district of Monroe County and into Loudon County.
- Private Acts of 1933, Chapter 175, changed the boundary line between Monroe County and Loudon County at a point near the Town of Philadelphia so that all the properties of E. W. Waller be excluded from Monroe County and included in Loudon County.
- Private Acts of 1933, Chapter 262, changed the boundary line between Monroe and McMinn counties so as to transfer all the land owned by R. F. Hicks out of the second civil district of McMinn County and locate it within the third civil district of Monroe County, as the same was described in this act, containing 100 acres, more or less.
- Private Acts of 1937, Chapter 849, changed the boundary line between Monroe and McMinn counties so as to provide that the lands of J. N. Wilson, formerly located in the old eighth civil district of Monroe County, would hereafter be a part of the third civil district of McMinn County. The area transferred contained about 15 acres.
- Private Acts of 1951, Chapter 340, changed the boundary line between Monroe and McMinn counties so as to move the lands of Henry Wyatt and G. W. Hyde out of Monroe County and into McMinn County.