Ransomville is a hamlet (and census-designated place) located in the Town of Porter in Niagara County, New York, United States.

Ransomville is in the southeast corner of the town on the Youngstown-Lockport Road (New York State Route 93).

[2] According to the United States Census Bureau, the CDP has a total area of 6.2 square miles (16 km2), all land.

[4] Ransomville was established as a farming community, but some of the earliest businesses were the log taverns built by Gideon Curtiss, the first of which was erected in 1817 and the second in 1825.

The Curtisses' agricultural business would grow to include a poultry farm that was considered the largest in the nation by the early 20th century.

[7] In the 20th century, the town's claim to poultry fame faded with the development of new techniques and the opening of larger facilities.

Original equipment included a motorized chemical pumper rig, which replaced the hand-drawn cart.

[10] In 1954, Ed Ortiz and his brother opened the Ransomville Speedway for dirt track racing.

The hamlet is served by the Ransomville Volunteer Fire Company with their station located on NY Route 93 Youngstown-Lockport Road.

The Upper Mountain Fire Company of Lewiston, New York provides Advanced Life Support services to Ransomville.