Middletown Avenue can be found in each of the locations listed in the table below.
See also: Street Names Index.
|Old Wethersfield Historic District||Wethersfield Town||Hartford||CT|
|National Register Historic District|
|Northford Center Historic District||North Branford Town||New Haven||CT|
|National Register Historic District.|
|Howd-Linsley House||North Branford Town||New Haven||CT|
|National Register of Historic Places.|