The Jefferson Census Designated Place had a population of 2,174 as of July 1, 2015. The primary coordinate point for Jefferson is located at latitude 39.3674 and longitude -77.5426 in Frederick County. The formal boundaries for the Jefferson Census Designated Place (see map below) encompass a land area of 2.1 sq. miles and a water area of 0 sq. miles. Frederick County is in the Eastern time zone (GMT -5). The elevation is 581 feet. The Jefferson Census Designated Place (GNIS ID: 2583640) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name.
Caribou herds migrate different distances. Large herds are more apt to migrate long distances, while smaller herds often migrate shorter distances. For example, the Porcupine caribou herd, which contains about 169,000 animals, migrates between summer and winter ranges that are about 400 miles apart. The Central Arctic herd, which contains about 70,000 animals, migrates between summer and winter ranges that are about 120 miles apart.
Some populations of the North American caribou, for example, many herds in the subspecies, the barren-ground caribou, and some woodland caribou in Ungava and Labrador, migrate the farthest of any terrestrial mammal, travelling up to 5,000 km (3,100 mi) a year, and covering1,000,000 km 2 (390,000 sq mi).he woodland caribou is the largest of the North American caribou subspecies. Their legs and heads are longer than the barren-ground caribou. Porcupine, the barren-ground Bluenose caribou herd, and woodland caribou all occupy Gwich'in land.