In addition to theIsle of Man itself, the Isle of Man Government administers three small neighbouring islands: theCalf of Man,St Patrick's Isle andSt Michael's Isle. There is one place with official status as a city, three places with official status as towns, four villages, and many other smaller settlements. Traditionally the Island is divided into sixsheadings, then further into seventeenparishes.
Manx language names are given initalics.

There is only one city on the island, a status which was awarded in 2022 and came into effect in 2024:
The official towns of the Isle of Man are:
The official villages of the Isle of Man, with village commissioners, are:
Other notable settlements, with no official status, are:
Those marked ‡ (at least) are mostly not large enough to be notable as settlements, but some may be notable as tourist destinations.
The following list ranks the populations of eight main settlements on the Isle of Man which populations were reported in the 2021 Isle of Man Census.
| Rank | Settlement | Status | Population | Notes |
|---|---|---|---|---|
| 1. | Douglas | City | 26,677 | Capital and only city |
| 2. | Onchan | Village | 9,039 | Most populated village, adjacent to Douglas |
| 3. | Ramsey | Town | 8,288 | Became the most populated town after Douglas achieved city status in 2022 |
| 4. | Peel | Town | 5,710 | |
| 5. | Port Erin | Village | 3,730 | Adjacent to Port St. Mary |
| 6. | Castletown | Town | 3,206 | Least populous town on the Island |
| 7. | Port St. Mary | Village | 1,989 | Adjacent to Port Erin |
| 8. | Laxey | Village | 1,656 | Least populous village and least populous settlement with an official status |
Thesheadings (Manx:sheadin (singular), sheadinyn (plural)) of the Isle of Man are:
The historicparishes (Manx:skeerey (singular), skeeraghyn (plural)) currently included in each sheading of the Isle of Man are:
Historically, each parish was divided into between 5 and 16treens, each consisting of four quarterlands.[1]