Alaska

Kenai Peninsula

58,799
2020 population
2000
first census record
3
census records

About Kenai Peninsula

Kenai Peninsula, Alaska, first appears in the United States federal census in 2000, when it recorded a population of 49,691. At the most recent census, in 2020, its population stood at 58,799.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 38 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202058,799
201055,400
200049,691
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Historic places in Kenai Peninsula

National Register of Historic Places listings in Kenai Peninsula, Alaska.

Yukon Island Main Site
Yukon Island
Lee, Jesse, Home for Children
Seward
Alaska Central Railroad: Tunnel No. 1
Seward
Alaska Nellie's Homestead
Lawing
Hope Historic District
Hope
St. Peter's Episcopal Church
Seward
Lauritsen Cabin
Moose Pass
Sunrise City Historic District
Hope
Van Gilder Hotel
Seward
Church of the Assumption of the Virgin Mary
Kenai
Berg, Andrew, Cabin
Soldotna
Johnson, Harry A., Trapline Cabin
Hope
Chugachik Island Site
Homer
Diversion Tunnel
Seward
Holy Transfiguration of Our Lord Chapel
Ninilchik
Cooper Landing Post Office
Cooper Landing
Hirshey Mine
Hope
Thorn-Stingley House
Homer
Coal Village Site
Port Graham
Sts. Sergius and Herman of Valaam Church
English Bay
Holm, Victor, Homestead
Kasilof
Hoben Park
Seward
Soldotna Post Office
Soldotna
Clam Cove Pictograph Site
Port Alsworth
Browse all Alaskahistoric sites ›

Other counties in Alaska

Explore census history and historic records for more Alaska counties.

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Everything a full report reveals about Kenai Peninsula County, Alaska

This page charts the census history of Kenai Peninsula County, Alaska. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Kenai Peninsula

When does Kenai Peninsula first appear in the US census?
Kenai Peninsula, Alaska first appears in the federal census in 2000, with a recorded population of 49,691.
What is the population of Kenai Peninsula?
At the most recent federal census (2020), Kenai Peninsula had a recorded population of 58,799.
How many historic places are in Kenai Peninsula?
38 sites are listed on the National Register of Historic Places in Kenai Peninsula, Alaska.
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