1903 Iowa Senate election

The 1903 Iowa State Senate elections were the last state legislative general elections held on an odd-numbered year. Iowa voters elected state senators in 29 of the state senate's 50 districts. State senators traditionally serve four-year terms in the Iowa State Senate. However, under the Biennial Elections law enacted in 1904 by the Iowa General Assembly, the senators elected in 1903 served an additional fifth year (until the 1908 elections) to accommodate the transition to holding elections on even-numbered years.[lower-alpha 1]

1903 Iowa Senate election

November 3, 1903
29 out of 50 seats in the Iowa State Senate 26 seats needed for a majority
Majority party Minority party   Party Republican Democratic Last election 39 11 Seats before 40[lower-alpha 2] 10[lower-alpha 2] Seats after 42 8 Seat change 2 2

Elections in Iowa
Federal government U.S. Presidential elections 1848 1852 1856 1860 1864 1868 1872 1876 1880 1884 1888 1892 1896 1900 1904 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 2004 2008 2012 2016 2020 2024 Presidential caucuses Democratic 1976 1980 1992 2000 2004 2008 2012 2016 2020 2024 Republican 1980 1996 2000 2008 2012 2016 2020 2024 U.S. Senate elections 1848 1849 1852 1855 1857 sp 1858 1860 1864 1866 1866 sp 1870 1870 sp 1872 1878 1882 1882 sp 1884 1888 1890 1894 1896 1900 1902 1902 sp 1907 1908 1908 sp 1909 1911 sp 1913 1914 1918 1920 1922 sp 1924 1926 1926 sp 1930 1932 1936 1936 sp 1938 1942 1944 1948 1950 1954 1956 1960 1962 1966 1968 1972 1974 1978 1980 1984 1986 1990 1992 1996 1998 2002 2004 2008 2010 2014 2016 2020 2022 2026 2028 U.S. House of Representatives elections 1846 1847 1848 1850 1st sp 1852 1854 1856 1858 1860 1861 1st sp 1862 1864 1866 1868 1870 2nd sp 1872 1874 1876 1878 1879 5th sp 1880 1882 1883 6th sp 1884 7th sp 1886 1888 1890 7th sp 1892 1894 1896 1898 1900 10th sp 1902 1904 1906 1908 1910 1911 9th sp 1912 11th sp 1914 2nd sp 1916 1918 1920 1921 5th sp 1922 1923 8th sp 1924 1926 1928 9th sp 1930 1932 1934 1936 1938 1940 6th sp 1942 9th sp 1944 1946 1948 1950 1952 1954 1956 1958 1959 4th sp 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024
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A statewide map of the 50 state Senate districts in the 1903 elections is provided by the Iowa General Assembly here.

The 1903 elections occurred before primary elections were established in Iowa by the Primary Election Law in 1907.[3] The general election took place on November 3, 1903.[4]

Following the previous election, Republicans had control of the Iowa Senate with 39 seats to Democrats' 11 seats. However, during the twenty-ninth session of the Iowa General Assembly, the senators decided in March 1902 to decertify Democrat Joseph Martin Emmert of district eighteen and replace Emmert with Republican James E. Bruce, thus flipping the seat from Democratic to Republican control.[lower-alpha 2] Therefore, going into Election Day in 1903, Republicans held an advantage of 40 seats to Democrats' 10 seats.

To claim control of the chamber from Republicans, the Democrats needed to net 16 Senate seats.

Republicans maintained control of the Iowa State Senate following the 1903 general election with the balance of power shifting to Republicans holding 42 seats and Democrats having 8 seats (a net gain of 2 seats for Republicans).