Port Alsworth was founded in 1950 by Babe Alsworth (1909-2004), a missionary and bush pilot, and Mary Alsworth (1923-1996), who was the town's first postmaster. Port Alsworth is located on private land within Lake Clark National Park and Preserve and is the site of the national park's field headquarters.
Samaritan's Purse operates a lodge for wounded United States military veterans located in the town for "Operation Heal Our Patriots" (OHOP). There is a summer camp there called "Tanalian Bible Camp" where youth, ages 8–19, from the surrounding villages can attend. From the summer of 2013 to the spring of 2014, the local Tanalian School underwent renovation and a dearly needed expansion. The renovation tripled school square footage, bought new furniture, and doubled the size of the gym.
The historic Trefon Dena'ina Fish Cache in Port AlsworthWilder/Natwick LLC airport
Port Alsworth first appeared on the 1940 U.S. Census as the unincorporated village of "Tanalian Point". It next appeared on the 1960 census with its present name of Port Alsworth. It did not reappear again until 1990, when it was named a census-designated place (CDP).
As of the census[9] of 2000 there were 104 people, 34 households, and 24 families residing in the CDP. The population density was 4.6 inhabitants per square mile (1.8/km2). There were 70 housing units at an average density of 3.1 per square mile (1.2/km2). The racial makeup of the CDP was 77.88% White, 4.81% Native American, and 17.31% from two or more races. There were 34 households, out of which 47.1% had children under the age of 18 living with them, 67.6% were married couples living together, 2.9% had a female householder with no husband present, and 26.5% were non-families. 23.5% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older. The average household size was 3.06 and the average family size was 3.64.
In the CDP, the population was spread out, with 41.3% under the age of 18, 7.7% from 18 to 24, 28.8% from 25 to 44, 18.3% from 45 to 64, and 3.8% who were 65 years of age or older. The median age was 26 years. For every 100 females, there were 85.7 males. For every 100 females age 18 and over, there were 84.8 males. The median income for a household in the CDP was $58,750.00, and the median income for a family was $62,083. Males had a median income of $50,417 versus $17,083 for females. The per capita income for the CDP was $21,716. There were no families and 6.0% of the population lived below the poverty line; of those no one was under eighteen and none over 64.
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