Open the Contacts app
Tap your name at the top of your contact card
Tap Edit
Scroll to the address section
Tap the home address field
Enter your new home address
Tap Done
Open Settings
Tap Contacts
Tap My Info
Select your contact card if needed
Open the Contacts app
Edit your home address in your contact card
Tap Done
Open Maps
Search for your home address
Tap the result
Tap Add to Favorites or edit your saved home location if available
Open Apple Maps
Tap your profile or saved places
Edit your Home location if shown
Enter the new address
Save the changes