Map of Lake and Peninsula Borough, Alaska

Lake and Peninsula Borough (Russian: Лейк-энд-Пенинсула, Leyk-end-Peninsula) is a borough in the state of Alaska. As of the 2020 census, the population was 1,476, down from 1,631 in 2010. The borough seat of King Salmon is located in neighboring Bristol Bay Borough, although is not the seat of that borough. The most populous community in the borough is the census-designated place of Port Alsworth. With an average of 0.017 inhabitants/km (0.045/sq mi), the Lake and Peninsula Borough is the second least densely populated organized county-equivalent in the United States; only the unorganized Yukon-Koyukuk Census Area has a lower density.

Lake and Peninsula Borough overview:
Name:	Lake and Peninsula Borough
FIPS code:	02-164
State:	Alaska
Named for:	Iliamna Lake, Becharof Lake and Alaska Peninsula
Seat:	King Salmon
Total Area:	32,922 sq mi (85,270 km²)
Land Area:	23,652 sq mi (61,260 km²)
Total Population:	1,476
Population Density:	0.045/sq mi (0.017/km²)

Lake and Peninsula Borough location map. Where is Lake and Peninsula Borough?

Lake and Peninsula Borough location on the Alaska map. Where is Lake and Peninsula Borough. — Location of Lake and Peninsula Borough in Alaska.

Lake and Peninsula Borough Road Map

Lake and Peninsula BoroughStreet Map. — Street map of Lake and Peninsula Borough, Alaska. Source: OpenStreetMap (OSM)

Geography

The borough has an area of 32,922 square miles (85,270 km), of which 23,652 square miles (61,260 km) is land and 9,270 square miles (24,000 km) (28.2%) is water. The borough contains Iliamna Lake, the largest lake in Alaska and third largest within United States borders, and occupies most of the Alaska Peninsula. Its land area is larger than that of San Bernardino County, California, the largest county in the contiguous Lower 48 states, and slightly larger than the state of South Carolina.

Adjacent boroughs and census areas

Bethel Census Area, Alaska – north
Kenai Peninsula Borough, Alaska – east
Kodiak Island Borough, Alaska – southeast
Aleutians East Borough, Alaska – west
Bristol Bay Borough, Alaska – west
Dillingham Census Area, Alaska – west

National protected areas

Alagnak Wild River
Alaska Maritime National Wildlife Refuge (part of the Alaska Peninsula unit)
- Sutwik Island
Alaska Peninsula National Wildlife Refuge (part)
Aniakchak National Monument and Preserve
Becharof National Wildlife Refuge (part)
- Becharof Wilderness (part)
Katmai National Park and Preserve (part)
- Katmai Wilderness (part)
Lake Clark National Park and Preserve (part)
- Lake Clark Wilderness (part)