The Assembly districts were made up of entire towns, or city wards, forming a contiguous area, all within the same county.
The approximate party strength at this election, as expressed by the vote for Governor was: Republican 248,000; Democratic 230,000; and American 61,000.
The Legislature met for the regular session at the Old State Capitol in Albany on January 4, 1859; and adjourned on April 19.
DeWitt C. Littlejohn (R) was again elected Speaker with 90 votes against 28 for John W. Chanler (D) and 6 for Chauncey Boughton (A).
On January 18, William A. Wheeler (R) was elected president pro tempore of the State Senate.