Sinoe County’s flag has a green cross across a white background or field with the Liberian flag at the upper left corner. The green cross represents the evergreen vegetation, the white field indicates purity and the Liberian flag shows that Sinoe is an integral part of the Republic of Liberia.
Location: Sinoe is found in the South-eastern region of the Republic of Liberia, which is on the West Coast of Africa. Sinoe is bordered by Grand Gedeh County on the North, by River Cess County on the West, by Grand Kru and River Gee Counties on the East, and by the Atlantic Ocean on the South. Sinoe covers a land area of about 3,861 Square miles (10,000 square kilometers) and has a total coastline of 86 km.
Climate: The climatic condition in Sinoe County is typical of the equatorial tropics, with a high temperature and high humidity. The County has two seasons, rainy and dry, which show distinction in the temperature according to the seasons. The average annual temperature during the dry season (the hot period) is December to March and exceeds 79 degrees Fahrenheit (26 degrees Celsius). At its peak in February, the temperature rises above 80 degrees Fahrenheit. The County experiences westerly wind and heavy storms during the rainy season, and moist winds during the dry season. Annual rainfall is over 80 inches in the County as is typical of of the Republic of Liberia.
Topography: The physical features of Sinoe County are about sixty percent lowland with somewhat increasing elevation from the coast. It has some high hills and few mountains and valleys, mainly in Jaedae, Jedepo and Dugbe River Districts on the left bank of the Sinoe River. The County has six major rivers including the Sinoe River, Dugbe River, Sanquin River, Tarsue River, Baffu River, and Plason River. Sinoe has a number of natural falls that may be suitable for the construction of hydroelectric plants. Some of these natural falls are: Sinoe River Fall in Wehjah District, Dugbe River Fall in the Dugbe River District, Sanquin River Fall in the Troh Chiefdom/Sanquin Statutory District and the Hamgbe River Fall, situated in the upper region of BOPC (Butaw Oil Palm Corporation) and Tumata.
Geology: Sinoe soils are typical for the country, comprising sedimentary rocks, loamy clay, sandy clay loam, and marshland/swampy soil.
Vegetation: Sinoe has an evergreen rain forest, which receives an annual rainfall of 80–85 inches. The Sapo National Park is composed of virgin forest reserved for eco-tourist activities and biomedical research as well as wildlife preservation. The height of the tallest trees is approximately 200ft. The coastal area is noted for savanna and mangrove with some grassland.
Demography: Sinoe County has an average household size of 5.5 persons and a dependency ratio of 1.37. Like the rest of Liberia, the society is largely patriarchal, thus accounting for an 89% rate of male household heads. The Kru vernacular, followed by the Sapo are the most commonly spoken dialects in the County with percentage distributions of 52% and 39% percent respectively.
Capital: Greenville is the capital of Sinoe County in southeastern Liberia and lies on a lagoon near the Sinoe River and the Atlantic Ocean. It is located about 150 miles southeast of Monrovia. As of the 2008 national census, the population of Greenville stood at 16,434.
Greenville was built in about 1838 by colonists of the Mississippi Colonization Society, part of what was then the Mississippi-in-Africa colony (now Sinoe County). Greenville was named after Judge James Green, one of the first Mississippi Delta planters to send a group of former slaves to Liberia.
Greenville was destroyed in the Liberian Civil War but is being rebuilt. Before the civil war, Greenville’s main exports were lumber, rubber, and agricultural products.
The Sapo National Park is one of Liberia’s reserved forest parks. It lies several kilometers away from Greenville. Greenville experiences on average 185 rainy days per year. The mean temperature of the town's coolest month is 24 degrees Celsius and 27 degrees Celsius for its warmest month.
Greenville has the third largest port in Liberia. The port has two quays (70 m and 180 m long respectively) on the inner side of the breakwater for berthing facilities, with an existing water depth of 6 m below chart datum. Boats sail from Greenville to Monrovia, Buchanan and Harper conveying people and goods.
Nickname(s): Snokree is the nickname for Greenville. This name is derived from the tribal name for Sinoe River (Sno). Since the original City of Greenville lies along the bank of Sinoe River at the point where the river empties into the Atlantic Ocean, the City is called Snokree, meaning the belly of Sinoe River.
Populations: 104,932 (2008 census)
Area: 3,914sq. miles
Electoral Districts: Three (3)
Reserved Forest Park: Sapo National Park (180,436 ha (445,870 acres)
Tribes: Kru, Sapo and Grebo