Kenai Peninsula Borough, Alaska

Kenai Peninsula Borough is a of the  of  with a population of 49,700 at the. The is. The borough includes the and adjacent areas of the mainland of Alaska.

Geography
The borough has a total area of 64,100 (24,800 ). 41,500 km² (16,000 sq mi) of it is land and 22,600 km² (8,700 sq mi) of it is water. The total area is 35% water.

Ecology
, near on the , has been the site of  enhancement activities since 1962.

Adjacent boroughs and census areas

 * - northwest
 * - north
 * - north
 * - east
 * - west
 * - south

Demographics
As of the of 2000, there were 49,700 people, 18,400 households, and 12,700 families residing in the borough. The population density was 1/km² (3/sq mi). There were 24,900 housing units at an average density of 1/km² (2/sq mi). The racial makeup of the borough was 86% white, 7% Native American, 2% Hispanic or Latino (any race), and 4% from two or more races. Black or African Americans, Asians, and Pacific Islanders each were less than 1 % of the population. Just under 1% were from other races combined. 1.92% reported speaking at home, while 1.74% speak.

There were 18,400 households out of which 38% had children under the age of 18 living with them, 55% were married couples living together, 9% had a female householder with no husband present, and 31% were non-families. 25% of all households were made up of individuals and 5% had someone living alone who was 65 years of age or older. The average household size was 2.6 and the average family size was 3.2.

In the borough the population was spread out with 30% under the age of 18, 7% from 18 to 24, 30% from 25 to 44, 26% from 45 to 64, and 7% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 109 males; for every 100 females age 18 and over there were 110 males.