Tri-State Steuben County Airport (IATA: ANQ[2], ICAO: KANQ, FAA LID: ANQ) is a public use airport in Steuben County, Indiana, United States.

[1] Owned by the Steuben County Board of Aviation Commissioners, it is located three nautical miles (6 km) west of the central business district of Angola, Indiana.

[3] Tri-State Steuben County Airport covers an area of 392 acres (159 ha) at an elevation of 995 feet (303 m) above mean sea level.

It has one runway designated 5/23 with an asphalt surface measuring 4,540 by 75 feet (1,384 x 23 m).

[1] For the 12-month period ending December 31, 2010, the airport had 19,475 aircraft operations, an average of 53 per day: 93% general aviation and 7% air taxi.