Hemlock Fairground is a national historic district and fairground located at Hemlock in Livingston County, New York. The district covers 35.6 acre with five contributing buildings and one contributing object, the racetrack. There are two clusters of buildings near the racetrack. One cluster consists of the grandstand (constructed 1870) and livestock sheds located along the perimeter of the track at the southwest corner of the site. The second cluster consists of exhibition buildings located east of the track. It was listed on the National Register of Historic Places in 2000.