Clinton County Airport (IATA: PLB, ICAO: KPLB, FAA LID: PLB) is a former county-owned public-use airport in Clinton County, New York, United States.

It is located 3 nautical miles (5.6 km; 3.5 mi) west of the central business district of the city of Plattsburgh.

[2] According to the FAA's National Plan of Integrated Airport Systems for 2007–2011, Clinton County was categorized as a general aviation airport because the commercial service category required at least 2,500 passenger boardings per year.

[4] Clinton County Airport covers an area of 990 acres (400 ha) at an elevation of 371 ft (113 m) above mean sea level.

For the 12-month period ending October 24, 2006, the airport had 14,150 aircraft operations, an average of 38 per day: 78% general aviation and 22% air taxi.