september, 2020 Allegan County Fair - Postponed until 2021 Allegan County Fair 150 Douglas St, Allegan, MI 49010 11sepAll Day19Allegan County Fair - Postponed until 2021 Time september 11 (Friday) - 19 (Saturday) LocationAllegan County Fair150 Douglas St, Allegan, MI 49010 Learn More CalendarGoogleCal