How many Democrats and Republicans have served in the House?
Congress · sourced historical data
Party control of the U.S. House, 1917–2025
Democratic, Republican, and other seats at the start of every Congress since 1917.
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The 119th Congress began with 220 Republicans and 215 Democrats in the House.
How to read it
Initial election results for each Congress as compiled by the House Historian.
Important limits
- The House source does not reflect vacancies, party switches, or special-election changes later in a Congress.
The data behind the view
Every plotted value.
| Year | Democratic | Republican | Other |
|---|---|---|---|
| 1917 | 214 | 215 | 6 |
| 1919 | 192 | 240 | 3 |
| 1921 | 132 | 302 | 1 |
| 1923 | 207 | 225 | 3 |
| 1925 | 183 | 247 | 5 |
| 1927 | 194 | 238 | 3 |
| 1929 | 164 | 270 | 1 |
| 1931 | 216 | 218 | 1 |
| 1933 | 313 | 117 | 5 |
| 1935 | 322 | 103 | 10 |
| 1937 | 334 | 88 | 13 |
| 1939 | 262 | 169 | 4 |
| 1941 | 267 | 162 | 6 |
| 1943 | 222 | 209 | 4 |
| 1945 | 244 | 189 | 2 |
| 1947 | 188 | 246 | 1 |
| 1949 | 263 | 171 | 1 |
| 1951 | 235 | 199 | 1 |
| 1953 | 213 | 221 | 1 |
| 1955 | 232 | 203 | 0 |
| 1957 | 232 | 203 | 0 |
| 1959 | 282 | 153 | 1 |
| 1961 | 264 | 173 | 0 |
| 1963 | 258 | 176 | 1 |
| 1965 | 295 | 140 | 0 |
| 1967 | 248 | 187 | 0 |
| 1969 | 243 | 192 | 0 |
| 1971 | 255 | 180 | 0 |
| 1973 | 243 | 192 | 0 |
| 1975 | 291 | 144 | 0 |
| 1977 | 292 | 143 | 0 |
| 1979 | 278 | 157 | 0 |
| 1981 | 243 | 192 | 0 |
| 1983 | 269 | 166 | 0 |
| 1985 | 253 | 181 | 1 |
| 1987 | 258 | 177 | 0 |
| 1989 | 260 | 175 | 0 |
| 1991 | 267 | 167 | 1 |
| 1993 | 258 | 176 | 1 |
| 1995 | 204 | 230 | 1 |
| 1997 | 207 | 226 | 2 |
| 1999 | 211 | 223 | 1 |
| 2001 | 212 | 221 | 2 |
| 2003 | 205 | 229 | 1 |
| 2005 | 202 | 232 | 1 |
| 2007 | 233 | 202 | 0 |
| 2009 | 257 | 178 | 0 |
| 2011 | 193 | 242 | 0 |
| 2013 | 201 | 234 | 0 |
| 2015 | 188 | 247 | 0 |
| 2017 | 194 | 241 | 0 |
| 2019 | 235 | 199 | 1 |
| 2021 | 222 | 212 | 1 |
| 2023 | 213 | 222 | 0 |
| 2025 | 215 | 220 | 0 |