C:\Users\<YourUsername>\AppData\Roaming\StardewValley\Saves
If you're playing on a Mac, you can find your save data in: save data stardew valley pc updated
Are you looking for your save data on PC? You're in luck! I've got the most up-to-date information on where to find your precious farm files. save data stardew valley pc updated
Save Data Location for Stardew Valley on PC (Updated) save data stardew valley pc updated
~/Library/Application Support/StardewValley/Saves