<congresslist>
<congress>
<year>1861</year>
<democrats>15</democrats>
<republicans>31</republicans>
</congress>
<congress>
<year>1863</year>
<democrats>10</democrats>
<republicans>33</republicans>
</congress>
<congress>
<year>1865</year>
<democrats>11</democrats>
<republicans>39</republicans>
</congress>
<congress>
<year>1867</year>
<democrats>9</democrats>
<republicans>57</republicans>
</congress>
<congress>
<year>1869</year>
<democrats>12</democrats>
<republicans>62</republicans>
</congress>
<congress>
<year>1871</year>
<democrats>17</democrats>
<republicans>56</republicans>
</congress>
<congress>
<year>1873</year>
<democrats>19</democrats>
<republicans>47</republicans>
</congress>
<congress>
<year>1875</year>
<democrats>28</democrats>
<republicans>46</republicans>
</congress>
<congress>
<year>1877</year>
<democrats>35</democrats>
<republicans>40</republicans>
</congress>
<congress>
<year>1879</year>
<democrats>42</democrats>
<republicans>33</republicans>
</congress>
<congress>
<year>1881</year>
<democrats>37</democrats>
<republicans>37</republicans>
</congress>
<congress>
<year>1883</year>
<democrats>36</democrats>
<republicans>38</republicans>
</congress>
<congress>
<year>1885</year>
<democrats>34</democrats>
<republicans>42</republicans>
</congress>
<congress>
<year>1887</year>
<democrats>37</democrats>
<republicans>39</republicans>
</congress>
<congress>
<year>1889</year>
<democrats>37</democrats>
<republicans>51</republicans>
</congress>
<congress>
<year>1891</year>
<democrats>39</democrats>
<republicans>47</republicans>
</congress>
<congress>
<year>1893</year>
<democrats>44</democrats>
<republicans>40</republicans>
</congress>
<congress>
<year>1895</year>
<democrats>40</democrats>
<republicans>44</republicans>
</congress>
<congress>
<year>1897</year>
<democrats>34</democrats>
<republicans>44</republicans>
</congress>
<congress>
<year>1899</year>
<democrats>26</democrats>
<republicans>53</republicans>
</congress>
<congress>
<year>1901</year>
<democrats>32</democrats>
<republicans>56</republicans>
</congress>
<congress>
<year>1903</year>
<democrats>33</democrats>
<republicans>57</republicans>
</congress>
<congress>
<year>1905</year>
<democrats>32</democrats>
<republicans>58</republicans>
</congress>
<congress>
<year>1907</year>
<democrats>31</democrats>
<republicans>61</republicans>
</congress>
<congress>
<year>1909</year>
<democrats>32</democrats>
<republicans>60</republicans>
</congress>
<congress>
<year>1911</year>
<democrats>44</democrats>
<republicans>52</republicans>
</congress>
<congress>
<year>1913</year>
<democrats>51</democrats>
<republicans>44</republicans>
</congress>
<congress>
<year>1915</year>
<democrats>56</democrats>
<republicans>40</republicans>
</congress>
<congress>
<year>1917</year>
<democrats>54</democrats>
<republicans>42</republicans>
</congress>
<congress>
<year>1919</year>
<democrats>47</democrats>
<republicans>49</republicans>
</congress>
<congress>
<year>1921</year>
<democrats>37</democrats>
<republicans>59</republicans>
</congress>
<congress>
<year>1923</year>
<democrats>42</democrats>
<republicans>53</republicans>
</congress>
<congress>
<year>1925</year>
<democrats>41</democrats>
<republicans>54</republicans>
</congress>
<congress>
<year>1927</year>
<democrats>46</democrats>
<republicans>48</republicans>
</congress>
<congress>
<year>1929</year>
<democrats>39</democrats>
<republicans>56</republicans>
</congress>
<congress>
<year>1931</year>
<democrats>47</democrats>
<republicans>48</republicans>
</congress>
<congress>
<year>1933</year>
<democrats>59</democrats>
<republicans>36</republicans>
</congress>
<congress>
<year>1935</year>
<democrats>69</democrats>
<republicans>25</republicans>
</congress>
<congress>
<year>1937</year>
<democrats>76</democrats>
<republicans>16</republicans>
</congress>
<congress>
<year>1939</year>
<democrats>69</democrats>
<republicans>23</republicans>
</congress>
<congress>
<year>1941</year>
<democrats>66</democrats>
<republicans>28</republicans>
</congress>
<congress>
<year>1943</year>
<democrats>57</democrats>
<republicans>38</republicans>
</congress>
<congress>
<year>1945</year>
<democrats>57</democrats>
<republicans>38</republicans>
</congress>
<congress>
<year>1947</year>
<democrats>45</democrats>
<republicans>51</republicans>
</congress>
<congress>
<year>1949</year>
<democrats>54</democrats>
<republicans>42</republicans>
</congress>
<congress>
<year>1951</year>
<democrats>49</democrats>
<republicans>47</republicans>
</congress>
<congress>
<year>1953</year>
<democrats>47</democrats>
<republicans>48</republicans>
</congress>
<congress>
<year>1955</year>
<democrats>48</democrats>
<republicans>47</republicans>
</congress>
<congress>
<year>1957</year>
<democrats>49</democrats>
<republicans>47</republicans>
</congress>
<congress>
<year>1959</year>
<democrats>65</democrats>
<republicans>35</republicans>
</congress>
<congress>
<year>1961</year>
<democrats>64</democrats>
<republicans>36</republicans>
</congress>
<congress>
<year>1963</year>
<democrats>66</democrats>
<republicans>34</republicans>
</congress>
<congress>
<year>1965</year>
<democrats>68</democrats>
<republicans>32</republicans>
</congress>
<congress>
<year>1967</year>
<democrats>64</democrats>
<republicans>36</republicans>
</congress>
<congress>
<year>1969</year>
<democrats>57</democrats>
<republicans>43</republicans>
</congress>
<congress>
<year>1971</year>
<democrats>54</democrats>
<republicans>44</republicans>
</congress>
<congress>
<year>1973</year>
<democrats>56</democrats>
<republicans>42</republicans>
</congress>
<congress>
<year>1975</year>
<democrats>60</democrats>
<republicans>38</republicans>
</congress>
<congress>
<year>1977</year>
<democrats>61</democrats>
<republicans>38</republicans>
</congress>
<congress>
<year>1979</year>
<democrats>58</democrats>
<republicans>41</republicans>
</congress>
<congress>
<year>1981</year>
<democrats>46</democrats>
<republicans>53</republicans>
</congress>
<congress>
<year>1983</year>
<democrats>46</democrats>
<republicans>54</republicans>
</congress>
<congress>
<year>1985</year>
<democrats>47</democrats>
<republicans>53</republicans>
</congress>
<congress>
<year>1987</year>
<democrats>55</democrats>
<republicans>45</republicans>
</congress>
<congress>
<year>1989</year>
<democrats>55</democrats>
<republicans>45</republicans>
</congress>
<congress>
<year>1991</year>
<democrats>56</democrats>
<republicans>44</republicans>
</congress>
<congress>
<year>1993</year>
<democrats>57</democrats>
<republicans>43</republicans>
</congress>
<congress>
<year>1995</year>
<democrats>48</democrats>
<republicans>52</republicans>
</congress>
<congress>
<year>1997</year>
<democrats>45</democrats>
<republicans>55</republicans>
</congress>
<congress>
<year>1999</year>
<democrats>45</democrats>
<republicans>55</republicans>
</congress>
<congress>
<year>2001</year>
<democrats>50</democrats>
<republicans>50</republicans>
</congress>
<congress>
<year>2003</year>
<democrats>48</democrats>
<republicans>51</republicans>
</congress>
<congress>
<year>2005</year>
<democrats>44</democrats>
<republicans>55</republicans>
</congress>
<congress>
<year>2007</year>
<democrats>49</democrats>
<republicans>49</republicans>
</congress>
</congresslist>
