The following is a listing of the parishes of Jamaica ranked by various characteristics such as size, population, elevation and other geographical features.
The parish of St Ann just edges out St Elizabeth for the title of the largest parish by a difference of 1 square kilometer. Clarendon and St Catherine comes in a close 3rd and 4th.
Kingston is the smallest parish with an area of 8 square miles (22 square kilometers).
| Rank | Parish | Size |
|---|---|---|
| 1 | St Ann | 1,213km² / 468.34mi² |
| 2 | St Elizabeth | 1,212km² / 467.96mi² |
| 3 | Clarendon | 1,196km² / 462mi² |
| 4 | St Catherine | 1,192km² / 460mi² |
| 5 | Trelawny | 875km² / 338mi² |
| 6 | Manchester | 830km² / 320mi² |
| 7 | Portland | 814km² / 314mi² |
| 8 | Westmoreland | 807km² / 312mi² |
| 9 | St Thomas | 743km² / 287mi² |
| 10 | St Mary | 611² / 236mi² |
| 11 | St James | 595km² / 230mi² |
| 12 | Hanover | 450km² / 174mi² |
| 13 | St Andrew | 431km² / 166mi² |
| 14 | Kingston | 22km² / 8mi² |
The parish of Portland has the highest elevation on the island, with the Blue Mountain Peak rising to 7,402ft. The Blue Mountains and John Crow Mountains are the highest mountain range on the island extending across Portland, St Thomas, St Andrew and a small section of St Mary, so it is not so surprising that St Thomas, St Andrew and St Mary rank the second, third and fourth parishes with the highest elevation.
Kingston lying predominantly within the Liguanea plain has the lowest elevation. Its highest point is located in the Long Mountain range above Rockfort Mineral Bath, where the terrain rises rapidly from sea level to an elevation of 1,106ft.
| Rank | Parish | Highest Elevation | Name |
|---|---|---|---|
| 1 | Portland | 2257m / 7402ft | Blue Mountain Peak |
| 2 | St. Thomas | 1505m / 4938ft | Candle Fly Peak |
| 3 | St. Andrew | 1353m / 4439ft | Catherines Peak |
| 4 | St. Mary | 920m / 3018ft | Mount Telegraph |
| 5 | St. Catherine | 910m / 2986ft | Holly Mount |
| 6 | Manchester | 898m / 2946ft | Mile Gully Mountain |
| 7 | Trelawny | 832m / 2730ft | Litchfield Mountain |
| 8 | Clarendon | 748m / 2454ft | Bull Head |
| 9 | St. Ann | 651m / 2136ft | Mount Zion |
| 10 | St. Elizabeth | 613m / 2011ft | Mount Olivet |
| 11 | Westmoreland | 469m / 1539ft | Buddles Mountain |
| 12 | Hanover | 391m / 1283ft | Mosquito Cove Mountain |
| 13 | St. James | 212m / 696ft | Mount Gilead |
| 14 | Kingston | 337m / 1106ft | Long Mountain |
The parish of St Andrew is the most populous with the least populopus being the parish of Hanover.
Kingston is ranked #10 in population. KSAC, the single andministrative entity of Kingston and St Andrew Corporation, have a combined population of 662,491. [Updated 4/21 w/2019 data]
| Rank | Parish | Population |
|---|---|---|
| 1 | St Andrew | 571,947 |
| 2 | St Catherine | 520,804 |
| 3 | Clarendon | 247,112 |
| 4 | St James | 191,737 |
| 5 | Manchester | 191,720 |
| 6 | St Ann | 177,054 |
| 7 | St Elizabeth | 151,911 |
| 8 | Westmoreland | 149,857 |
| 9 | St Mary | 115,090 |
| 10 | Kingston | 90,544 |
| 11 | St Thomas | 94,391 |
| 12 | Portland | 80,921 |
| 13 | Trelawny | 78,487 |
| 14 | Hanover | 72,519 |
| Total | 2,734,093 |
Clarendon is home of the Rio Minho, the longest river in Jamaica. The Black River in St Elizabeth, was long believed to the longest river until it was discovered that the Rio Minho holds that title. The Black River however, still holds the title of being the widest River (also described as the largest) on the isalnd.
The parish of Kingston has no rivers, so it takes the last place in the ranking. Manchester holds the penultimate position, with several short rivers near its coast. The Milk River that runs through Clarendon crosses into Manchester just before it meets the Caribbean sea.
| Rank | Parish | Length of River | River's Name |
|---|---|---|---|
| 1 | Clarendon | 92.5km / 57.5mi | Rio Minho |
| 2 | St Elizabeth | 53.4km / 33.2mi | Black River |
| 3 | St. Catherine | 50.9km / 31.6mi | Rio Cobre |
| 4 | St. James | 46.0km / 28.6mi | Great River |
| 5 | Westmoreland | 39.7km / 24.7mi | Cabaritta River |
| 6 | St Thomas | 36.9km / 22.9mi | Yallahs River |
| 7 | St Mary | 36.2km / 22.5mi | Wag Water River |
| 8 | Portland | 34.3km / 21.3mi | Rio Grande |
| 9 | Trelawny | 32.5km / 20.2mi | Martha Brae River |
| 10 | St. Ann | 27.4km / 17mi | White River |
| 11 | St Andrew | 19.6km / 12.2mi | Hope River |
| 12 | Hanover | 14.0km / 8.7mi | Lucea West River |
| 13 | Manchester | Several small rivers such as Gut River near its coast. Clarendon's Milk River enters the sea in Manchester. | |
| 14 | Kingston | No rivers are sourced in Kingston. | |
Jamaica's coastline is 1,022km / 636mi long.
The parish of Portland has the longest coastline including Navy and Pellen Islands, followed by St Catherine, which includes the islands of Salt, Little Goat and Great Goat Islands. St Andrew, takes the last position.
| Rank | Parish | Length of Coastline |
|---|---|---|
| 1 | Portland | 113.79 km/70.7mi |
| 2 | St. Catherine | 104.13km/64.7m |
| 3 | St. Thomas | 96.08km/59.7mi |
| 4 | Hanover | 95.28 km/59.2mi |
| 5 | Clarendon | 93.35km/58mi |
| 6 | Westmoreland | 88.36 km/54.9mi |
| 7 | St. Mary | 73.65 km/45.76mi |
| 8 | St. Elizabeth | 70.33km/43.7mi |
| 9 | St. Ann | 62.77 km/39mi |
| 10 | Kingston | 62.40km/38.77mi |
| 11 | St. James | 49.25km/30.6mi |
| 12 | Trelawny | 47.64km/29.6mi |
| 13 | Manchester | 34.28km/21.3mi |
| 14 | St. Andrew | 30.64km/19.04mi |
A lesser known fact about Jamaica is its vast number of caves, many of which are still waiting to be discovered. Two thirds of its land area is made up of highly dissected limestone plateaus varying in height from 1,000 to 3,000 ft. With its vast number karstic regions, caves and sinkholes are common.
According to the 2012 Jamaican Cave Register, there are 1,233 registered caves in Jamaica. Trelawny has the greatest number of caves, closely followed by Manchester, with Kingston having none.
| Rank | Parish | Number of Caves |
|---|---|---|
| 1 | Trelawny | 180 |
| 2 | Manchester | 177 |
| 3 | St Ann | 143 |
| 4 | St Elizabeth | 141 |
| 5 | St Catherine | 140 |
| 6 | St James | 131 |
| 7 | Clarendon | 112 |
| 8 | Portland | 79 |
| 9 | Westmoreland | 44 |
| 10 | St Andrew | 34 |
| 11 | Hanover | 24 |
| 12 | St Mary | 18 |
| 13 | St Thomas | 10 |
| 14 | Kingston | 0 |