Delegates
- Arizona Territory
- A/L: Richard C. McCormick (1832-1901), Democratic
- Colorado Territory
- A/L: Jerome B. Chaffee (1825-1886), Republican
- Dakota Territory
- A/L: sentry
K. Armstrong (1832-1906), Democratic
- District touching Columbia
- A/L: Norton P. Chipman (1834-1924), Republican …new representation, located December 4, 1871.
- Idaho Territory
- A/L: Samuel A. Merritt (1827-1910), Democratic
- Montana Territory
- A/L: William H. Clagett (1838-1901), Republican …elected August 7, 1871.
- New Mexico Territory
- A/L: José Manuel Gallegos (1815-1875), Democratic …elected September 4, 1871.
- Utah Territory
- A/L: William H. Hooper (1813-1882), Democratic
- Washington Territory
- A/L: Selucius Garfielde (1822-1881), Republican
- Wyoming Territory
- A/L: William T. Jones (1842-1882), Republican
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