Current delegation

Jeanne Shaheen (D)

Maggie Hassan (D)

New Hampshire was admitted to the Union on June 21, 1788. It elects United States senators to Class 2 and Class 3. The state's current senators are Democrats Jeanne Shaheen and Maggie Hassan. Senator Shaheen is currently serving her third term (since 2009); Senator Hassan is currently serving her second term (since 2017). Jacob Harold Gallinger was New Hampshire's longest-serving senator (1891–1918).

List of senators

Class 2 Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026.						C	Class 3 Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2004, 2010, 2016, and 2022. The next election will be in 2028.
#	Senator	Party	Dates in office	Electoral history	T		T	Electoral history	Dates in office	Party	Senator	#
1	Paine Wingate	Anti- Admin.	Mar 4, 1789 – Mar 3, 1793	Josiah Bartlett was at first elected in 1788, but "declined the appointment."[1] Elected in 1789. Lost re-election.	1	1st	1	Elected in 1788.	Mar 4, 1789 – Mar 3, 1801	Pro- Admin.	John Langdon	1
						2nd
2	Samuel Livermore	Pro- Admin.	Mar 4, 1793 – Jun 12, 1801	Elected in 1792.	2	3rd				Anti- Admin.
		Federalist				4th	2	Re-election year unknown.		Democratic- Republican
						5th
				Re-elected in 1798. Resigned.	3	6th
						7th	3	Elected in 1800. Resigned.	Mar 4, 1801 – Jun 14, 1802	Federalist	James Sheafe	2
Vacant			Jun 12, 1801 – Jun 17, 1801
3	Simeon Olcott	Federalist	Jun 17, 1801 – Mar 3, 1805	Elected in 1801 to finish Livermore's term.
									Jun 14, 1802 – Jun 17, 1802	Vacant
								Elected in 1802 to finish Sheafe's term. Retired.	Jun 17, 1802 – Mar 3, 1807	Federalist	William Plumer	3
						8th
4	Nicholas Gilman	Democratic- Republican	Mar 4, 1805 – May 2, 1814	Elected in 1804.	4	9th
						10th	4	Elected in 1807. Resigned.	Mar 4, 1807 – Jun 1, 1810	Democratic- Republican	Nahum Parker	4
						11th
									Jun 1, 1810 – Jun 21, 1810	Vacant
								Elected in 1810 to finish Parker's term.	Jun 21, 1810 – Mar 3, 1813	Federalist	Charles Cutts	5
				Re-elected in 1810. Died.	5	12th
						13th	5	Legislature failed to elect.	Mar 4, 1813 – Apr 2, 1813	Vacant
								Appointed to continue the term. Retired when successor elected.	Apr 2, 1813 – Jun 10, 1813	Federalist	Charles Cutts
								Elected in 1813 to finish Cutts's term. Resigned.	Jun 10, 1813 – Jun 16, 1817	Federalist	Jeremiah Mason	6
Vacant			May 2, 1814 – Jun 24, 1814
5	Thomas W. Thompson	Federalist	Jun 24, 1814 – Mar 3, 1817	Elected in 1814 to finish Gilman's term.
						14th
6	David L. Morril	Democratic- Republican	Mar 4, 1817 – Mar 3, 1823	Elected in 1816. Retired.	6	15th
									Jun 16, 1817 – Jun 27, 1817	Vacant
								Elected in 1817 to finish Mason's term.	Jun 27, 1817 – Mar 3, 1819	Democratic- Republican	Clement Storer	7
						16th	6	Elected in 1818.	Mar 4, 1819 – Mar 3, 1825	Democratic- Republican	John Fabyan Parrott	8
						17th
7	Samuel Bell	Democratic- Republican	Mar 4, 1823 – Mar 3, 1835	Elected in 1823.	7	18th
		National Republican				19th	7		Mar 3, 1825 – Mar 16, 1825	Vacant
								Elected in 1825.	Mar 16, 1825 – Mar 3, 1831	Jacksonian	Levi Woodbury	9
						20th
				Re-elected in 1828 or 1829. Retired.	8	21st
						22nd	8	Elected in 1831. Resigned to become Governor of New Hampshire.	Mar 4, 1831 – May 30, 1836	Jacksonian	Isaac Hill	10
						23rd
8	Henry Hubbard	Jacksonian	Mar 4, 1835 – Mar 3, 1841	Elected in 1835. Retired to run for Governor of New Hampshire.	9	24th
									May 30, 1836 – Jun 8, 1836	Vacant
								Elected in 1836 to finish Hill's term. Lost re-election.	Jun 8, 1836 – Mar 3, 1837	Jacksonian	John Page	11
		Democratic				25th	9	Elected in 1837. Resigned.	Mar 4, 1837 – Feb 28, 1842	Democratic	Franklin Pierce	12
						26th
9	Levi Woodbury	Democratic	Mar 4, 1841 – Sep 20, 1845	Elected in 1841. Resigned to become a Justice of the U.S. Supreme Court.	10	27th
								Appointed to continue Pierce's term. Elected in 1842 to finish Pierce's term.	Mar 1, 1842 – Mar 3, 1843	Democratic	Leonard Wilcox	13
						28th	10	Elected in 1843.	Mar 4, 1843 – Mar 3, 1849	Democratic	Charles G. Atherton	14
						29th
Vacant			Sep 20, 1845 – Dec 1, 1845
10	Benning W. Jenness	Democratic	Dec 1, 1845 – Jun 13, 1846	Appointed to continue Woodbury's term. Lost election to finish Woodbury's term.
11	Joseph Cilley	Liberty	Jun 13, 1846 – Mar 3, 1847	Elected in 1846 to finish Woodbury's term. Lost election to next term.
12	John P. Hale	Independent Democratic	Mar 4, 1847 – Mar 3, 1853	Elected in 1846. Retired to run for President of the United States.	11	30th
		Free Soil				31st	11	Elected in 1848 or 1849. Died.	Mar 4, 1849 – Jan 11, 1855	Democratic	Moses Norris Jr.	15
						32nd
13	Charles G. Atherton	Democratic	Mar 4, 1853 – Nov 15, 1853	Elected in 1852. Died.	12	33rd
Vacant			Nov 15, 1853 – Nov 29, 1853
14	Jared W. Williams	Democratic	Nov 29, 1853 – Jul 15, 1854	Appointed to continue Atherton's term. Appointment expired without election.
Vacant			Jul 15, 1854 – Jul 30, 1855
									Jan 11, 1855 – Jan 16, 1855	Vacant
								Appointed to finish Norris's term.	Jan 16, 1855 – Mar 3, 1855	Democratic	John S. Wells	16
						34th	12	Legislature failed to elect.	Mar 4, 1855 – Jul 29, 1855	Vacant
15	John P. Hale	Republican	Jul 30, 1855 – Mar 3, 1865	Elected in 1855 to finish Atherton's term.				Elected late in 1855. Died.	Jul 30, 1855 – May 26, 1857	Republican	James Bell	17
						35th
									May 26, 1857 – Jun 27, 1857	Vacant
								Elected in 1857 to finish Bell's term.	Jun 27, 1857 – Jul 27, 1866	Republican	Daniel Clark	18
				Re-elected in 1859.	13	36th
						37th	13	Re-elected in 1861. Resigned.
						38th
16	Aaron H. Cragin	Republican	Mar 4, 1865 – Mar 3, 1877	Elected in 1864.	14	39th
									Jul 27, 1866 – Aug 31, 1866	Vacant
								Appointed to finish Clark's term. Retired.	Aug 31, 1866 – Mar 3, 1867	Republican	George G. Fogg	19
						40th	14	Elected in 1866 or 1867. Lost renomination.	Mar 4, 1867 – Mar 3, 1873	Republican	James W. Patterson	20
						41st
				Re-elected in 1870.	15	42nd
						43rd	15	Elected in 1872. Lost re-election.	Mar 4, 1873 – Mar 3, 1879	Republican	Bainbridge Wadleigh	21
						44th
17	Edward H. Rollins	Republican	Mar 4, 1877 – Mar 3, 1883	Elected in 1876. Lost re-election.	16	45th
						46th	16	Legislature failed to elect.	Mar 3, 1879 – Mar 18, 1879	Vacant
								Appointed to fill vacancy caused by legislature's failure to elect. Retired.	Mar 18, 1879 – Jun 18, 1879	Republican	Charles H. Bell	22
									Jun 18, 1879 – Jun 20, 1879	Vacant
								Elected in 1879 to finish the vacant term.	Jun 20, 1879 – Mar 3, 1885	Republican	Henry W. Blair	23
						47th
Vacant			Mar 4, 1883 – Aug 2, 1883	Legislature failed to elect.	17	48th
18	Austin F. Pike	Republican	Aug 2, 1883 – Oct 8, 1886	Elected late in 1883. Died.
						49th	17	Legislature failed to elect.	Mar 3, 1885 – Mar 5, 1885	Vacant
								Appointed to continue the vacant term. Elected in 1885 to finish the vacant term. Lost renomination.	Mar 5, 1885 – Mar 3, 1891	Republican	Henry W. Blair
Vacant			Oct 8, 1886 – Nov 14, 1886
19	Person Colby Cheney	Republican	Nov 14, 1886 – Jun 14, 1887	Appointed to continue Pike's term. Retired when successor qualified.
						50th
20	William E. Chandler	Republican	Jun 14, 1887 – Mar 3, 1889	Elected in 1887 to finish Pike's term. Legislature failed to elect.
21	Gilman Marston	Republican	Mar 4, 1889 – Jun 18, 1889	Appointed to start term when legislature failed to elect.	18	51st
22	William E. Chandler	Republican	Jun 18, 1889 – Mar 3, 1901	Elected in 1889 to finish the term.
						52nd	18	Elected in 1891.	Mar 4, 1891 – Aug 17, 1918	Republican	Jacob Harold Gallinger	24
						53rd
				Re-elected in 1895. Lost renomination.	19	54th
						55th	19	Re-elected in 1897.
						56th
23	Henry E. Burnham	Republican	Mar 4, 1901 – Mar 3, 1913	Elected in 1901.[2]	20	57th
						58th	20	Re-elected in 1903.
						59th
				Re-elected in 1907.[3] Retired.	21	60th
						61st	21	Re-elected in 1909.
						62nd
Vacant			Mar 4, 1913 – Mar 13, 1913	Legislature elected late.	22	63rd
24	Henry F. Hollis	Democratic	Mar 13, 1913 – Mar 3, 1919	Elected late in 1913. Retired.
						64th	22	Re-elected in 1914. Died.
						65th
									Aug 17, 1918 – Sep 2, 1918	Vacant
								Appointed to continue Gallinger's term. Retired.	Sep 2, 1918 – Nov 5, 1918	Republican	Irving W. Drew	25
								Elected in 1918 to finish Gallinger's term.	Nov 6, 1918 – Mar 3, 1933	Republican	George H. Moses	26
25	Henry W. Keyes	Republican	Mar 4, 1919 – Jan 3, 1937	Elected in 1918.	23	66th
						67th	23	Re-elected in 1920.
						68th
				Re-elected in 1924.	24	69th
						70th	24	Re-elected in 1926. Lost re-election.
						71st
				Re-elected in 1930. Retired.	25	72nd
						73rd	25	Elected in 1932. Lost re-election.	Mar 4, 1933 – Jan 3, 1939	Democratic	Fred H. Brown	27
						74th
26	Styles Bridges	Republican	Jan 3, 1937 – Nov 26, 1961	Elected in 1936.	26	75th
						76th	26	Elected in 1938.	Jan 3, 1939 – Jul 24, 1953	Republican	Charles W. Tobey	28
						77th
				Re-elected in 1942.	27	78th
						79th	27	Re-elected in 1944.
						80th
				Re-elected in 1948.	28	81st
						82nd	28	Re-elected in 1950. Died.
						83rd
									Jul 24, 1953 – Aug 14, 1953	Vacant
								Appointed to continue Tobey's term. Lost nomination to finish Tobey's term.	Aug 14, 1953 – Nov 7, 1954	Republican	Robert W. Upton	29
								Elected in 1954 to finish Tobey's term.	Nov 8, 1954 – Dec 31, 1974	Republican	Norris Cotton	30
				Re-elected in 1954.	29	84th
						85th	29	Re-elected in 1956.
						86th
				Re-elected in 1960. Died.	30	87th
Vacant			Nov 26, 1961 – Jan 10, 1962
27	Moe Murphy	Republican	Jan 10, 1962 – Nov 6, 1962	Appointed to continue Bridges's term. Lost nomination to finish Bridges's term.
28	Thomas J. McIntyre	Democratic	Nov 7, 1962 – Jan 3, 1979	Elected in 1962 to finish Bridge's term.
						88th	30	Re-elected in 1962.
						89th
				Re-elected in 1966.	31	90th
						91st	31	Re-elected in 1968. Retired, then resigned early.
						92nd
				Re-elected in 1972. Lost re-election.	32	93rd
								Appointed to finish Cotton's term.	Dec 31, 1974 – Jan 3, 1975	Republican	Louis Wyman	31
						94th	32	Contested election.	Jan 3, 1975 – Aug 8, 1975	Vacant
								Appointed to continue term after contested election.	Aug 8, 1975 – Sep 18, 1975	Republican	Norris Cotton	32
								Elected to finish contested term. Lost re-election and resigned early.	Sep 18, 1975 – Dec 29, 1980	Democratic	John A. Durkin	33
						95th
29	Gordon J. Humphrey	Republican	Jan 3, 1979 – Dec 4, 1990	Elected in 1978.	33	96th
								Appointed to finish Durkin's term, having been elected to the next term.	Dec 29, 1980 – Jan 3, 1993	Republican	Warren Rudman	34
						97th	33	Elected in 1980.
						98th
				Re-elected in 1984. Retired and resigned early to take his seat in the New Hampshire Senate.	34	99th
						100th	34	Re-elected in 1986. Retired.
						101st
Vacant			Dec 4, 1990 – Dec 7, 1990
30	Bob Smith	Republican	Dec 7, 1990 – Jan 3, 2003	Appointed to finish Humphrey's term, having already been elected to the next term.
				Elected in 1990.	35	102nd
						103rd	35	Elected in 1992.	Jan 3, 1993 – Jan 3, 2011	Republican	Judd Gregg	35
						104th
				Re-elected in 1996. Lost renomination.	36	105th
						106th	36	Re-elected in 1998.
						107th
31	John E. Sununu	Republican	Jan 3, 2003 – Jan 3, 2009	Elected in 2002. Lost re-election.	37	108th
						109th	37	Re-elected in 2004. Retired.
						110th
32	Jeanne Shaheen	Democratic	Jan 3, 2009 – Present	Elected in 2008.	38	111th
						112th	38	Elected in 2010. Lost re-election.	Jan 3, 2011 – Jan 3, 2017	Republican	Kelly Ayotte	36
						113th
				Re-elected in 2014.	39	114th
						115th	39	Elected in 2016.	Jan 3, 2017 – Present	Democratic	Maggie Hassan	37
						116th
				Re-elected in 2020.	40	117th
						118th	40	Re-elected in 2022.
						119th
To be determined in the 2026 election.					41	120th
						121st	41	To be determined in the 2028 election.
#	Senator	Party	Years in office	Electoral history	T		T	Electoral history	Years in office	Party	Senator	#
Class 2							Class 3