Kenai Peninsula County Demographics

A map of Kenai Peninsula County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	46,841	45,546	77.5%	77.5%
Multiracial	5,102	5,119	8.4%	8.7%
Native American/Other	4,358	4,652	7.2%	7.9%
Hispanic	2,654	2,328	4.4%	4.0%
Asian	1,104	793	1.8%	1.3%
Black	354	361	0.6%	0.6%

Kenai Peninsula County, Alaska has an estimated population of 60,413, a slight increase from the 58,799 recorded in the 2020 Census. The population is 77.5% White, 8.4% Multiracial, 7.2% Native American/Other, 4.4% Hispanic, 1.8% Asian, and 0.6% Black. This demographic dot map shows the population of Kenai Peninsula County, with one dot drawn for each person counted by the Census, color-coded by race.

Kenai Peninsula is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Alaska overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Kenai Peninsula County, that probability was 38.4% in 2020 and 38.4% in the most recent ACS estimates.

Kenai Peninsula County is ranked the 4th most populous county in Alaska, out of 30 counties. Kenai Peninsula County was ranked the 4th most populous county in the 2020 Census.

Kenai Peninsula County's White Population

46,841 residents of Kenai Peninsula County, or 77.5% of the population, identify as White. The share of White residents in Kenai Peninsula County is significantly higher than in Alaska overall, where 57.7% of the population is White. Kenai Peninsula County ranks 3rd statewide in terms of White residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's White population has grown by an estimated 2.8%. White residents' share of Kenai Peninsula County's population has remained roughly unchanged at 77.5%.

Kenai Peninsula County is more White than neighboring Anchorage Municipality County (54.2% White), Matanuska-Susitna County (75.7% White), Kodiak Island County (45% White), Denali County (71.8% White), and Lake and Peninsula County (15.9% White).

Kenai Peninsula County's Black Population

354 residents of Kenai Peninsula County, or 0.6% of the population, identify as Black. The share of Black residents in Kenai Peninsula County is slightly lower than in Alaska overall, where 2.9% of the population is Black. Kenai Peninsula County ranks 15th statewide in terms of Black residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's Black population has declined by an estimated 1.9%. Black residents' share of Kenai Peninsula County's population has remained roughly unchanged at 0.6%.

Kenai Peninsula County is less Black than neighboring Anchorage Municipality County (4.8% Black), Matanuska-Susitna County (1.1% Black), Kodiak Island County (0.7% Black), Denali County (2.7% Black), and Lake and Peninsula County (1.4% Black).

Kenai Peninsula County's Asian Population

1,104 residents of Kenai Peninsula County, or 1.8% of the population, identify as Asian. The share of Asian residents in Kenai Peninsula County is slightly lower than in Alaska overall, where 6.4% of the population is Asian. Kenai Peninsula County ranks 15th statewide in terms of Asian residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's Asian population has grown by an estimated 39.2%. Asian residents' share of Kenai Peninsula County's population has increased from 1.3% to 1.8%.

Kenai Peninsula County is more Asian than neighboring Matanuska-Susitna County (1.6% Asian). Kenai Peninsula County is less Asian than neighboring Anchorage Municipality County (9.8% Asian), Kodiak Island County (22.2% Asian), Denali County (2.2% Asian), and Lake and Peninsula County (1.9% Asian).

Kenai Peninsula County's Hispanic Population

2,654 residents of Kenai Peninsula County, or 4.4% of the population, identify as Hispanic. The share of Hispanic residents in Kenai Peninsula County is slightly lower than in Alaska overall, where 7.3% of the population is Hispanic. Kenai Peninsula County ranks 17th statewide in terms of Hispanic residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's Hispanic population has grown by an estimated 14.0%. Hispanic residents' share of Kenai Peninsula County's population has remained roughly unchanged at 4.4%.

Kenai Peninsula County is more Hispanic than neighboring Lake and Peninsula County (2.8% Hispanic). Kenai Peninsula County is less Hispanic than neighboring Anchorage Municipality County (9.5% Hispanic), Matanuska-Susitna County (5.4% Hispanic), Kodiak Island County (8.3% Hispanic), and Denali County (8.1% Hispanic).

Kenai Peninsula County's Native American/Other Population

4,358 residents of Kenai Peninsula County, or 7.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Kenai Peninsula County is lower than in Alaska overall, where 15.5% of the population is Native American/Other. Kenai Peninsula County ranks 26th statewide in terms of Native American/Other residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's Native American/Other population has declined by an estimated 6.3%. Native American/Other residents' share of Kenai Peninsula County's population has decreased from 7.9% to 7.2%.

Kenai Peninsula County is more Native American/Other than neighboring Matanuska-Susitna County (6.4% Native American/Other), and Denali County (5.2% Native American/Other). Kenai Peninsula County is less Native American/Other than neighboring Anchorage Municipality County (11% Native American/Other), Kodiak Island County (11.8% Native American/Other), and Lake and Peninsula County (43.8% Native American/Other).

Kenai Peninsula County's Multiracial Population

5,102 residents of Kenai Peninsula County, or 8.4% of the population, identify as Multiracial. The share of Multiracial residents in Kenai Peninsula County is comparable to the share in Alaska overall, where 10.3% of the population is Multiracial. Kenai Peninsula County ranks 18th statewide in terms of Multiracial residents as a share of the population, out of 30 counties.

Since the 2020 Census, Kenai Peninsula County's Multiracial population has remained roughly the same. Multiracial residents' share of Kenai Peninsula County's population has remained roughly unchanged at 8.4%.

Kenai Peninsula County is less Multiracial than neighboring Anchorage Municipality County (10.7% Multiracial), Matanuska-Susitna County (9.8% Multiracial), Kodiak Island County (12% Multiracial), Denali County (10% Multiracial), and Lake and Peninsula County (34.3% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.