Nuangola, Penn Lake Park and White Haven and Dennison Township, Dorrance Township, Fairview Township, Rice Township, Slocum Township and Wright Township
Mountain Top, once named "Penobscot",[4] is located in central Luzerne County at 41°8′7″N75°54′16″W / 41.13528°N 75.90444°W / 41.13528; -75.90444 (41.1353022, -75.9044749). The CDP extends north to Solomon Gap, which separates Penobscot Knob to the west from Haystack Mountain to the east. To the south, the CDP includes the settlements of Fairview Heights, Wech Corners, Rita, Albert, Rippletown, and Lindbergh.[4] The ridge of Nescopeck Mountain is in the southeast part of Mountain Top. According to the U.S. Census Bureau, Mountain Top has a total area of 15.1 square miles (39.0 km2), all of it land.[5]
Mountain Top is in the Susquehanna River watershed. The village center sits on a drainage divide between Solomon Creek, which flows north through Solomon Gap to the Susquehanna near Wilkes-Barre, and Big Wapwallopen Creek, which flows to the southwest to the Susquehanna at Wapwallopen. East of Mountain Top, the ground rises to Arbutus Peak and Stony Cabin Ridge, both 2,080 feet (630 m) above sea level, beyond which is the Lehigh River basin leading to the Delaware River. Mountain Top is 10 miles (16 km) northwest of White Haven, at the head end of the Lehigh River, 16 miles (26 km) northeast of Hazleton, and 8 miles (13 km) south of Wilkes-Barre on Pennsylvania Route 309. Even though regional railroads are much diminished in scope and influence, Mountain Top Yard, once used as a marshaling yard at the top of the Ashley Planes' funicular railway, is still a regional element of the transportation infrastructure connecting Allentown and Philadelphia with points north and west via trackage to several yards in New York state.
The elevation in Mountain Top ranges from 1,070 feet (330 m) above sea level along Big Wapwallopen Creek in the southwest, to 1,860 feet (570 m) atop Nescopeck Mountain southwest of Rita, to 1,871 feet (570 m) at the east end of Penobscot Mountain in north Mountain Top. The central village of Mountain Top sits at 1,580 feet (480 m) just south of Penobscot Mountain.
As of the 2019 census,[7] there were 11,489 people, which is a slight increase from 10,701 people in 2011. 5,556 households, and 4,394 families residing in the CDP. The population density was 224.0 inhabitants per square mile (86.5/km2). There were 5,774 housing units at an average density of 84.7 per square mile (32.7/km2). The racial makeup of the CDP was 97.02% White, 0.54% African American, 0.03% Native American, 1.62% Asian, 0.24% from other races, and 0.56% from two or more races. Hispanic or Latino of any race were 1.08% of the population.
There were 5,556 households, out of which 36.8% had children under the age of 18 living with them, 68.2% were married couples living together, 8.1% had a female householder with no husband present, and 20.9% were non-families. 18.4% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.10.
In Mountain Top, the population was spread out, with 26.0% under the age of 18, 6.0% from 18 to 24, 28.7% from 25 to 44, 25.7% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 95.5 males. For every 100 females age 18 and over, there were 92.9 males.
The median income for a household in the CDP was $51,655, and the median income for a family was $58,588. Males had a median income of $41,271 versus $26,346 for females. The per capita income for the CDP was $22,480. About 2.9% of families and 3.4% of the population were below the poverty line, including 3.7% of those under age 18 and 5.4% of those age 65 or over.