Morning Consult Trump Approval by State - January 2018:
Alabama: 63-33
Alaska: 48-47
Arizona: 46-49
Arkansas: 53-40
California: 36-59
Colorado: 41-55
Connecticut: 39-58
District of Columbia: 16-80
Delaware: 41-55
Florida: 50-45
Georgia: 51-44
Hawaii: 30-66
Idaho: 53-42
Illinois: 37-58
Indiana: 48-47
Iowa: 43-53
Kansas: 50-45
Kentucky: 55-40
Louisiana: 57-38
Maine: 40-56
Maryland: 36-59
Massachussets: 32-64
Michigan: 42-52
Minnesota: 41-55
Missouri: 49-47
Montana: 48-48
Nebraska: 51-45
Nevada: 47-48
New Hampshire: 43-53
New Jersey: 40-56
New Mexico: 38-58
New York: 39-57
North Carolina: 47-48
North Dakota: 53-42
Ohio: 46-50
Oklahoma: 55-40
Oregon: 37-57
Pennsylvania: 46-49
Rhode Island: 37-59
South Carolina: 51-44
South Dakota: 53-43
Tennessee: 56-39
Texas: 51-44
Utah: 46-49
Vermont: 30-66
Virginia: 45-49
Washington: 36-59
West Virginia: 59-37
Wisconsin: 42-54
Wyoming: 60-35
Source
What this shows is that Trump is unpopular in
both the sunbelt and the rust belt, and holds above water mainly in the south and great plains.