1821
Starting position: DR 21, F 2, Ind 1.
Successions pre-election
Rhode Island. 1821 Jan. E. Wilcox (DR) succeeded N. Knight (DR), resigned.
Maine. 1821 May. W. Williamson (DR) succeeded W. King (DR), resigned.
Elections
New Hampshire. 1821 Mar. S. Bell (DR) re-elected.
Connecticut. 1821 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1821 Apr. J. Brooks (F) re-elected.
Rhode Island. 1821 Apr. W. Gibbs (DR) elected.
Alabama. 1821 Aug. I. Pickens (DR) elected.
Mississippi. 1821 Aug. W. Leake (DR) elected.
Tennessee. 1821 Aug. W. Carroll (DR) elected.
Maine. 1821 Sep. A. Parris (DR) elected.
Vermont. 1821 Sep. R. Skinner (DR) re-elected.
New Jersey. 1821 Oct. I. Williamson (F) re-elected.
Georgia. 1821 Nov. J. Clark (DR) re-elected.
Maryland. 1821 Dec. S. Sprigg (DR) re-elected.
North Carolina. 1821 Dec. G. Holmes (DR) elected.
Virginia. 1821 Dec. T. Randolph (DR) re-elected.
Closing position: DR 21, F 2, Ind 1.
Successions post-election
Maine. 1821 Dec. B. Ames (DR) succeeded W. Williamson (DR), resigned as Senate president. (Pre inauguration)
Maine. 1822 Jan. D. Rose (DR) succeeded B. Ames (DR), term as House Speaker expired. (Pre inauguration)
----------------------------------
1822
(From 1822 to 1827 some elected candidates who were members of the Republican Party are counted as Adams, Clay, Crawford, or Jackson. Party labels are fluid in this period and should be taken carefully)
Starting position: DR 21, F 2, Ind 1.
Re-allocation
Maryland. 1822 Jan. S. Sprigg (DR) reallocated as Jackson Rep.
Jackson gain from DR.
Mississippi. 1822 Jan. W. Leake (DR) reallocated as Jackson Rep.
Jackson gain from DR.
Missouri. 1822 Jan. A. McNair (DR) reallocated as Jackson Rep.
Jackson gain from DR.
Successions pre-election
Ohio. 1822 Jan. A. Trimble (Adams Rep) succeeded E. Brown (DR), resigned.
Adams gain from DR.
Delaware. 1822 Apr. C. Rodney (F) succeeded J. Collins (DR), deceased.
F gain from DR.
Starting position: DR 16, F 3, Jackson 3, Adams 1, Ind 1.
Elections
New Hampshire. 1822 Mar. S. Bell (DR) re-elected as Adams Rep.
Adams gain from DR.
Connecticut. 1822 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1822 Apr. J. Brooks (F) re-elected.
Rhode Island. 1822 Apr. W. Gibbs (DR) re-elected.
Illinois. 1822 Aug. E. Coles (Jackson Rep) elected.
Jackson gain from DR.
Indiana. 1822 Aug. W. Hendricks (DR) elected.
Maine. 1822 Sep. A. Parris (DR) re-elected.
Vermont. 1822 Sep. R. Skinner (DR) re-elected as Adams Rep.
Adams gain from DR.
Delaware. 1822 Oct. (Special) J. Haslet (DR) elected.
DR gain from F.
New Jersey. 1822 Oct. I. Williamson (F) re-elected.
Ohio. 1822 Oct. J. Morrow (DR) elected.
DR gain from Adams.
New York. 1822 Nov. J. Yates (DR-Bucktail) elected.
Maryland. 1822 Dec. S. Stevens (Jackson Rep) elected.
North Carolina. 1822 Dec. G. Holmes (DR) re-elected.
South Carolina. 1822 Dec. J. Wilson (DR) elected.
Virginia. 1822 Dec. J. Pleasants (DR) elected.
Closing position: DR 15, F 2, Jackson 4, Adams 2, Ind 1.
(Dark blue: Jackson hold. Light blue: Jackson gain. Dark yellow: Adams-Clay hold. Light yellow: Adams-Clay gain.)
Successions post-election
Indiana. 1822 Sep. R. Boon (DR) succeeded J. Jennings (DR), resigned. (Pre inauguration)
----------------------------------
1823
Starting position: DR 15, F 2, Jackson 4, Adams 2, Ind 1.
Successions pre-election
Delaware. 1823 Jun. C. Thomas (DR) succeeded J. Haslet (DR), deceased.
Elections
New Hampshire. 1823 Mar. L. Woodbury (DR) elected.
DR gain from Adams.
Connecticut. 1823 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1823 Apr. W. Eustis (DR) elected.
DR gain from F.
Rhode Island. 1823 Apr. W. Gibbs (DR) re-elected.
Alabama. 1823 Aug. I. Pickens (DR) re-elected as Adams Rep.
Adams gain from DR.
Mississippi. 1823 Aug. W. Leake (Jackson Rep) re-elected.
Tennessee. 1823 Aug. W. Carroll (DR) re-elected.
Maine. 1823 Sep. A. Parris (DR) re-elected as Crawford Rep.
Crawford Rep gain from DR.
Vermont. 1823 Sep. C. Van Ness (Jackson Rep) elected.
Jackson gain from Adams.
Delaware. 1823 Oct. (Special) S. Paynter (F) elected.
F gain from DR.
New Jersey. 1823 Oct. I. Williamson (F) re-elected.
Pennsylvania. 1823 Oct. J. Shulze (Jackson Rep) elected.
Jackson gain from Ind.
Georgia. 1823 Nov. G. Troup (DR) elected.
Maryland. 1823 Dec. S. Stevens (Jackson Rep) re-elected.
North Carolina. 1823 Dec. G. Holmes (DR) re-elected.
Virginia. 1823 Dec. J. Pleasants (DR) re-elected.
Closing position: DR 14, F 2, Jackson 6, Adams 1, Crawford 1.
----------------------------------
1824
Starting position: DR 14, F 2, Jackson 6, Adams 1, Crawford 1.
Elections
New Hampshire. 1824 Mar. No majority. Legislature elected D. Morrill (Adams Rep).
Adams gain from DR.
Connecticut. 1824 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1824 Apr. W. Eustis (DR) re-elected.
Rhode Island. 1824 Apr. J. Fenner (Jackson Rep) elected.
Jackson gain from DR.
Louisiana. 1824 Jul. H. Johnson (Adams/American) elected.
Adams gain from DR.
Kentucky. 1824 Aug. J. Desha (DR) elected.
Missouri. 1824 Aug. F. Bates (Adams Rep) elected.
Adams gain from Jackson.
Maine. 1824 Sep. A. Parris (Crawford Rep) re-elected.
Vermont. 1824 Sep. C. Van Ness (Jackson Rep) re-elected.
New Jersey. 1824 Oct. I. Williamson (F) re-elected.
Ohio. 1824 Oct. J. Morrow (DR) re-elected.
New York. 1824 Nov. D. Clinton (DR-Clintonian) elected.
Maryland. 1824 Dec. S. Stevens (Jackson Rep) re-elected.
North Carolina. 1824 Dec. H. Burton (DR) elected.
South Carolina. 1824 Dec. R. Manning (Jackson Rep) elected.
Jackson gain from DR.
Virginia. 1824 Dec. J. Pleasants (DR) re-elected.
Closing position: DR 10, F 2, Jackson 7, Adams 4, Crawford 1.
Successions post-election
Louisiana. 1824 Nov. H. Thibodeaux (DR) succeeded T. Robertson (DR-American), resigned. (Pre inauguration)
----------------------------------
1825
Starting position: DR 10, F 2, Jackson 7, Adams 4, Crawford 1.
Successions pre-election
Indiana. 1825 Feb. J. Ray (Clay Rep) succeeded W. Hendricks (DR), resigned.
Clay Rep gain from DR.
Massachusetts. 1825 Feb. M. Morton (Jackson Rep) succeeded W. Eustis (DR), deceased.
Jackson gain from DR.
Missouri. 1825 Aug. A. Williams (Jackson Rep) succeeded F. Bates (Adams Rep), deceased.
Jackson gain from Adams.
Starting position: DR 8, F 2, Jackson 9, Adams-Clay 4, Crawford 1.
Elections
New Hampshire. 1825 Mar. D. Morrill (Adams Rep) re-elected.
Connecticut. 1825 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1825 Apr. L. Lincoln (Adams Rep) elected.
Adams gain from Jackson.
Rhode Island. 1825 Apr. J. Fenner (Jackson Rep) re-elected.
Alabama. 1825 Aug. J. Murphy (Jackson Rep) elected.
Jackson gain from Adams.
Indiana. 1825 Aug. J. Ray (Clay Rep) elected in his own right.
Mississippi. 1825 Aug. D. Holmes (Jackson Rep) elected.
Tennessee. 1825 Aug. W. Carroll (DR) re-elected.
Maine. 1825 Sep. A. Parris (Crawford Rep) re-elected.
Vermont. 1825 Sep. C. Van Ness (Jackson Rep) re-elected.
Georgia. 1825 Oct. G. Troup (DR) re-elected as Jackson Rep.
Jackson gain from DR.
New Jersey. 1825 Oct. I. Williamson (F) re-elected.
Missouri. 1825 Dec. (Special) J. Miller (Jackson Rep) elected.
North Carolina. 1825 Dec. H. Burton (DR) re-elected as Adams Rep.
Adams gain from DR.
Virginia. 1825 Dec. J. Tyler (Jackson Rep) elected.
Jackson gain from DR.
Maryland. 1826 Jan. J. Kent (Adams Rep) elected.
Adams gain from Jackson.
Closing position: DR 5, F 2, Jackson 10, Adams-Clay 6, Crawford 1.
Successions post-election
Mississippi. 1825 Nov. G. Brandon (Jackson Rep) succeeded W. Leake (Jackson Rep), deceased. (Pre inauguration)
----------------------------------
1826
Starting position: DR 5, F 2, Jackson 10, Adams-Clay 6, Crawford 1.
Successions pre-election
Mississippi. 1826 Jul. G. Brandon (Jackson Rep) succeeded D. Holmes (Jackson Rep), resigned.
Elections
New Hampshire. 1826 Mar. D. Morrill (Adams Rep) re-elected.
Connecticut. 1826 Apr. O. Wolcott (DR) re-elected.
Massachusetts. 1826 Apr. L. Lincoln (Adams Rep) re-elected.
Rhode Island. 1826 Apr. J. Fenner (Jackson Rep) re-elected.
Illinois. 1826 Aug. N. Edwards (Adams Rep) elected.
Adams gain from Jackson.
Maine. 1826 Sep. E. Lincoln (Adams Rep) elected.
Adams gain from Crawford.
Vermont. 1826 Sep. E. Butler (Adams Rep) elected.
Adams gain from Jackson.
Delaware. 1826 Oct. C. Polk (F) elected.
New Jersey. 1826 Oct. I. Williamson (F) re-elected.
Ohio. 1826 Oct. A. Trimble (Adams Rep) elected.
Adams gain from DR.
Pennsylvania. 1826 Oct. J. Shulze (Jackson Rep) re-elected.
New York. 1826 Nov. D. Clinton (DR-Clintonian) re-elected as Adams Rep/People's.
Adams gain from DR.
North Carolina. 1826 Dec. H. Burton (Adams Rep) re-elected.
South Carolina. 1826 Dec. J. Taylor (DR) elected.
DR gain from Jackson.
Virginia. 1826 Dec. J. Tyler (Jackson Rep) re-elected.
Maryland. 1827 Jan. J. Kent (Adams Rep) re-elected.
Closing position: DR 4, F 2, Adams-Clay 11, Jackson 7.
----------------------------------
1827
Starting position: DR 4, F 2, Adams-Clay 11, Jackson 7.
Elections
Virginia. 1827 Feb. (Special) W. Giles (Jackson Rep) elected.
New Hampshire. 1827 Mar. B. Pierce (Jackson Rep) elected.
Jackson gain from Adams.
Connecticut. 1827 Apr. G. Tomlinson (DR) elected.
Massachusetts. 1827 Apr. L. Lincoln (Adams Rep) re-elected.
Rhode Island. 1827 Apr. J. Fenner (Jackson Rep) re-elected.
Alabama. 1827 Aug. J. Murphy (Jackson Rep) re-elected.
Mississippi. 1827 Aug. G. Brandon (Jackson Rep) elected in his own right.
Tennessee. 1827 Aug. S. Houston (Jackson Rep) elected.
Jackson gain from DR.
Maine. 1827 Sep. E. Lincoln (Adams Rep) re-elected.
Vermont. 1827 Sep. E. Butler (Adams Rep) re-elected.
Georgia. 1827 Oct. J. Forsyth (Jackson Rep) elected.
New Jersey. 1827 Oct. I. Williamson (F) re-elected.
North Carolina. 1827 Dec. J. Iredell (Jackson Rep) elected.
Jackson gain from Adams.
Virginia. 1827 Dec. W. Giles (Jackson Rep) re-elected.
Maryland. 1828 Jan. J. Kent (Adams Rep) re-elected.
Closing position: DR 3, F 2, Jackson 10, Adams-Clay 9.
----------------------------------
1828
Starting position: DR 3, F 2, Jackson 10, Adams-Clay 9.
Successions pre-election
New York. 1828 Feb. N. Pitcher (Jackson Rep/Bucktail) succeeded D. Clinton (Adams Rep/People's), deceased. Jackson gain from Adams.
Starting position: DR 3, F 2, Jackson (Dem) 11, Adams-Clay (NR) 8.
Elections
New Hampshire. 1828 Mar. J. Bell (NR) elected.
NR gain from Jackson.
Connecticut. 1828 Apr. G. Tomlinson (DR) re-elected as NR.
NR gain from DR.
Massachusetts. 1828 Apr. L. Lincoln (Adams Rep) re-elected as NR.
Rhode Island. 1828 Apr. J. Fenner (Jackson Rep) re-elected as Dem.
Louisiana. 1828 Jul. P. Derbigny (NR) elected.
Indiana. 1828 Aug. J. Ray (Clay Rep) re-elected as NR.
Kentucky. 1828 Aug. T. Metcalfe (NR) elected.
NR gain from DR.
Missouri. 1828 Aug. J. Miller (Jackson Rep) re-elected as Dem.
Maine. 1828 Sep. E. Lincoln (Adams Rep) re-elected as NR.
Vermont. 1828 Sep. S. Crafts (NR) elected.
New Jersey. 1828 Oct. I. Williamson (F) re-elected.
Ohio. 1828 Oct. A. Trimble (Adams Rep) re-elected as NR.
New York. 1828 Nov. M. Van Buren (Dem) elected.
North Carolina. 1828 Dec. J. Owen (Dem) elected.
South Carolina. 1828 Dec. S. Miller (Dem-Nullifier) elected.
Dem gain from DR.
Virginia. 1828 Dec. W. Giles (Jackson Rep) re-elected as Dem.
Maryland. 1829 Jan. D. Martin (NR) elected.
Closing position: Dem 11, NR 11, F 2.
----------------------------------
1829
Starting position: Dem 11, NR 11, F 2.
Successions pre-election
New York. 1829 Mar. E. Throop (Dem) succeeded M. Van Buren (Dem), resigned.
Tennessee. 1829 Apr. W. Hall (Dem) succeeded S. Houston (Jackson Rep), resigned.
Elections
New Hampshire. 1829 Mar. B. Pierce (Dem) elected.
Dem gain from NR.
Connecticut. 1829 Apr. G. Tomlinson (NR) re-elected.
Massachusetts. 1829 Apr. L. Lincoln (NR) re-elected.
Rhode Island. 1829 Apr. J. Fenner (Dem) re-elected.
Alabama. 1829 Aug. G. Moore (Dem) elected.
Mississippi. 1829 Aug. G. Brandon (Jackson Rep) re-elected as Dem.
Tennessee. 1829 Aug. W. Carroll (Dem) elected.
Maine. 1829 Sep. J. Hunton (NR) elected.
Vermont. 1829 Sep. S. Crafts (NR) re-elected.
Delaware. 1829 Oct. D. Hazzard (NR) elected.
NR gain from F.
Georgia. 1829 Oct. G. Gilmer (Dem-Troup) elected.
New Jersey. 1829 Oct. G. Wall (Dem) elected, but declined the position.
Dem gain from F.
Pennsylvania. 1829 Oct. G. Wolf (Dem) elected.
New Jersey. 1829 Nov Special P. Vroom (Dem) elected.
North Carolina. 1829 Dec. J. Owen (Dem) re-elected.
Maryland. 1830 Jan. T. Carroll (Dem) elected.
Dem gain from NR.
Virginia. 1830 Jan. J. Floyd (Dem) elected.
Closing position: Dem 14, NR 10.
Successions post-election
Louisiana. 1829 Oct. A. Beauvais (NR) succeeded P. Derbigny (NR), deceased.
Maine. 1829 Oct. N. Cutler (Dem) succeeded E. Lincoln (NR), deceased. (Pre inauguration)
Maine. 1830 Feb. J. Hall (Dem) succeeded N. Cutler (Dem), term as Senate president expired. (Pre inauguration)
----------------------------------
1830
Starting position: Dem 14, NR 10.
Successions pre-election
Louisiana. 1830 Jan. J. Dupre (NR) succeeded A. Beauvais (NR), term as Senate president expired.
Elections
New Hampshire. 1830 Mar. M. Harvey (Dem) elected.
Connecticut. 1830 Apr. G. Tomlinson (NR) re-elected.
Massachusetts. 1830 Apr. L. Lincoln (NR) re-elected.
Rhode Island. 1830 Apr. J. Fenner (Dem) re-elected.
Louisiana. 1830 Jul. (Special) A. Roman (NR) elected.
Illinois. 1830 Aug. J. Reynolds (NR) elected.
Maine. 1830 Sep. S. Smith (Dem) elected.
Dem gain from NR.
Vermont. 1830 Sep. No majority. Legislature re-elected S. Crafts (NR).
New Jersey. 1830 Oct. P. Vroom (Dem) re-elected.
Ohio. 1830 Oct. D. McArthur (NR) elected.
New York. 1830 Nov. E. Throop (Dem) elected in his own right.
North Carolina. 1830 Dec. M. Stokes (Dem) elected.
South Carolina. 1830 Dec. J. Hamilton (Dem-Nullifier) elected.
Maryland. 1831 Jan. D. Martin (NR) elected.
NR gain from Dem.
Closing position: Dem 14, NR 10.
----------------------------------