Is it better to bank with a bank or credit union?

ALLY Bank 23 Bank of Brewton 6 BANKPLUS 11 Cedar Hill National Bank 20 CITIZENS National Association National Bank OF MERIDIAN 5 Citizens National Bank of Park Rapids 2 Citizens State Bank of Waverly 1 Farmers & Merchants National Bank 7 Farmers State Bank of Hamel 4 Glenmede Trust Company, National Association 13 Keen Bank, National Association 11 MAPLEMARK Bank 4 National Bank of Malvern 1 NEW MILLENNIUM Bank 10 Ninnescah Valley Bank 3 PARK State Bank 6 PEAPACK PRIV B&TC 8 PIONEER Bank National Association 12 SOUTHERN B&TC 5 VISTA Bank 9