- the text in this section is copied from an article in Wikipedia
Lake and Peninsula Borough is a borough located in the state of Alaska, United States. As of the 2010 census, the population was 1,631. The borough seat of King Salmon is actually located in neighboring Bristol Bay Borough, although is not the seat of that borough; this is a unique arrangement within the United States. The most populous community that actually lies within the borough is the city of Nondalton. With an average of 0.0296 inhabitants/km² (0.0767/sq mi), the Lake and Peninsula Borough is the second least densely populated organized county-equivalent in the United States; only the Yukon-Koyukuk Census Area, which is unorganized, has a lower density.
- source: Source:Population of States and Counties of the United States: 1790-1990
| Census Year || Population
| 1990 || 1,668
Note: formed from Dillingham Census Area (1989). 1980 pop. in 1990 area: 1,384.