Contents
The islands and municipalities of Trinidad and Tobago as well as all cities and communities of more than 10.000 inhabitants.
Municipalities
| | Name | Abbr. | Status | Adm. | Capital | A (kmē) | C 1990-05-02 | C 2000-05-15 | C 2011-01-09 |
| i | Trinidad | TRI | Isl | | | 4,827 | 1,165,133 | 1,208,282 | 1,267,145 |
| i | Arima | ARI | Bor | TRI | Arima | 12 | ... | 32,278 | 33,606 |
| i | Chaguanas | CHA | Bor | TRI | Chaguanas | 59 | ... | 67,433 | 83,516 |
| i | Couva/Tabaquite/Talparo | CTT | Reg | TRI | Couva | 723 | ... | 162,779 | 178,410 |
| i | Diego Martin | DMN | Reg | TRI | Petit Valley | 126 | ... | 105,720 | 102,957 |
| i | Mayaro/Rio Claro | RCM | Reg | TRI | Rio Claro | 814 | ... | 32,143 | 35,650 |
| i | Penal/Debe | PED | Reg | TRI | Penal | 246 | ... | 83,609 | 89,392 |
| i | Point Fortin | PTF | Bor | TRI | Point Fortin | 25 | ... | 19,056 | 20,235 |
| i | Port of Spain | POS | City | TRI | Port of Spain | 12 | ... | 49,031 | 37,074 |
| i | Princes Town | PRT | Reg | TRI | Princes Town | 620 | ... | 91,947 | 102,375 |
| i | San Fernando | SFO | City | TRI | San Fernando | 19 | ... | 55,419 | 48,838 |
| i | Sangre Grande | SGE | Reg | TRI | Sangre Grande | 927 | ... | 65,680 | 75,766 |
| i | San Juan/Laventille | SJL | Reg | TRI | Laventille | 239 | ... | 157,295 | 157,258 |
| i | Siparia | SIP | Reg | TRI | Siparia | 495 | ... | 81,917 | 86,949 |
| i | Tunapuna/Piarco | TUP | Reg | TRI | Tunapuna | 510 | ... | 203,975 | 215,119 |
| i | Tobago | TOB | Isl | | Scarborough | 300 | 48,600 | 54,084 | 60,874 |
| | Trinidad and Tobago | TTO | | | Port of Spain | 5,155 | 1,213,733 | 1,262,366 | 1,328,019 |
- Central Statistical Office, Trinidad and Tobago (web).
Principal Cities
Cities & Communities
| | Name | Status | Adm. | C C 2000-05-15 | C C 2011-01-09 |
| i | Arima | Bor | TRI | 32,278 | 33,606 |
| i | Chaguanas | Bor | TRI | 67,433 | 83,516 |
| i | Couva | | CTT | 2,739 | ... |
| i | Gasparillo | | CTT | 9,596 | ... |
| i | La Horquetta | | TUP | 11,832 | ... |
| i | La Romain | | PED | 9,598 | ... |
| i | Laventille | | SJL | 10,576 | ... |
| i | Morvant | | SJL | 15,366 | ... |
| i | Penal | | PED | 12,281 | ... |
| i | Petit Valley | | DMN | 8,140 | ... |
| i | Point Fortin | Bor | TRI | 19,056 | 20,235 |
| i | Port of Spain | City | TRI | 49,031 | 37,074 |
| i | Princes Town | | PRT | 7,062 | ... |
| i | Rio Claro | | RCM | 1,495 | ... |
| i | San Fernando | City | TRI | 55,419 | 48,838 |
| i | Sangre Grande | | SGE | 12,436 | ... |
| i | San Juan | | SJL | 13,797 | ... |
| i | Scarborough | | TOB | 980 | ... |
| i | Siparia | | SIP | 5,680 | ... |
| i | Tunapuna | | TUP | 13,579 | ... |
- Central Statistical Office, Trinidad and Tobago (web); in constrast to the population figures of municipalities, the census results for communities (in italics) are not adjusted for underenumeration.