Barton Farm was the family home of Clint Barton. He grew up their with his brother Charles Bernard "Barney" Barton and parents Harold Barton and Edith Barton. Located in Waverly, Iowa. Their father was abusive, especially when he drank and continually beat the young boys; Barney taught Clint how to fight and helped him to improve his aim. Harold's drinking eventually cost him his life along with his wife when both died in a car accident. Clint and Barney were sent to numerous foster homes; while running away from one of them, they encountered and joined a traveling circus where the pair worked as roustabouts.
Marvel Cinematic Universe (Earth-199999)
When Hawkeye (Clint Barton) first joined S.H.I.E.L.D., he asked Nick Fury to find a place to keep his family's existence a secret. The farm is located in an unknown isolated location with the continental United States of America. It became home to his wife Laura Barton and his kids Cooper Barton Lila Barton and most recently Nathaniel Barton. The only other person who knew about the farm was Black Widow.
After battling Ultron and in desperate need to find somewhere to hide he took the Avengers to his home revealing the existence of his family to the others. They used the time at the farm to regroup and discuss their past failed mission. Fury visited the farm to get the team back into action. After defeating Ultron, Clint retired from the team and went to live with his family.
He returned for Civil War to fight on Captain America's Anti-Accords side. For his crimes, he was put under house arrest, staying here for two years. During the Blip, the rest of his family was part of the half-killed by Thanos' snap. He fled and eventually fought the Yakuza in Japan. To test time travel, prior to the Time Heist, he went back in time prior to the Blip and saw Lila again. He also attempted to enter the home, but was brought back to his own time before he could do so.