Kenai Peninsula Borough, Alaska Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Alaska
The population of Kenai Peninsula Borough, Alaska is 59,843 as of the 2023 American Community Survey, making it the 4th-largest county in Alaska. The median household income is $77,722, the median home value is $297,500, and the median age is 41.5.
The population of Kenai Peninsula Borough has grown 10.3% since 2010 (55,554 → 61,259), a +0.70% annualized rate.
59,843
Population
+0.70%
Annual growth
4
People / sq mi
$77,722
Median Income
$297,500
Median Home Value
Kenai Peninsula Borough covers 16,018 sq mi of land at 3.7 people per square mile.
About Kenai Peninsula Borough, AK
Kenai Peninsula Borough is a county in Alaska with a population of 59,843. It ranks #4 among counties in Alaska by population. The median age is 41.5, older than the national median. The population is 52.2% male and 47.8% female.
The median household income in Kenai Peninsula Borough is $77,722, near the US median of $74,580. 7.0% of residents live below the federal poverty level. Home values sit at a median of $297,500, with monthly rent averaging $1,163. The homeownership rate of 76.8% is higher than the national rate of 64.8%.
Educational attainment in Kenai Peninsula Borough reflects 29.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.4 minutes each way.
Kenai Peninsula Borough Population History (2010-2024)
The county of Kenai Peninsula Borough had a population of 55,554 in 2010 and 61,259 in 2024, a 10.3% growth over 14 years. The peak was 61,285 in 2023. Average annual growth rate: 0.70%.
61,259
Population (2024)
55,554
Population (2010)
61,285
Peak (2023)
0.70%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 55,554 |
| 2011 | 56,311 |
| 2012 | 56,920 |
| 2013 | 57,039 |
| 2014 | 57,594 |
| 2015 | 58,075 |
| 2016 | 58,515 |
| 2017 | 58,594 |
| 2018 | 58,609 |
| 2019 | 58,914 |
| 2020 | 58,941 |
| 2021 | 59,947 |
| 2022 | 60,631 |
| 2023 | 61,285 |
| 2024 | 61,259 |
Race & Ethnicity
| White | 79.1% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 12.8% |
| Two or More Races | 0.1% |
Age & Sex
41.5
Median Age
47.8%
Female
52.2%
Male
19.4%
Age 65+
Age Distribution
Children (under 15): 18.4% · Seniors (65+): 19.4%
Income & Poverty
| Median household income | $77,722$-11,614 vs state |
| Mean household income | $102,341 |
| Per-capita income | $42,899 |
| Poverty rate | 7.0%+0.2% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 52.1% |
Top Industries by Employment
The largest employment sector in Kenai Peninsula Borough is professional & business services, accounting for 26.6% of workers.
How residents commute
0.3%
Drive alone
5.9%
Carpool
66.8%
Public transit
9.4%
Work from home
20.4 min
Avg commute
Housing
$297,500$-35,800 vs state
Median home value
$1,163
Median rent
76.8%
Homeownership rate
32,707
Total housing units
73.1%
Occupied
26.9%
Vacant
23.2%
Renter-occupied
Social & access
88.3%
With health insurance
94.2%
With broadband internet
56.5%
Foreign-born
10.4%
Veterans (18+)
16.2%
With a disability
93.2%
Speak language other than English at home
Education
94.3%
High School+
29.4%
Bachelor's+
Largest cities in Alaska
Other counties in Alaska
Part of Alaska
Metro areas in Alaska
County rankings
Frequently Asked Questions
Kenai Peninsula Borough, Alaska has a population of 59,843 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Alaska. Population density is 4 people per square mile.
The population of Kenai Peninsula Borough has grown 10.3% since 2010 (55,554 → 61,259), a +0.70% annualized rate.
The median household income in Kenai Peninsula Borough, Alaska is $77,722, with mean (average) household income of $102,341 and per-capita income of $42,899. 7.0% of residents live below the federal poverty level.
In Kenai Peninsula Borough, the largest racial and ethnic groups are White (79.1%), Hispanic or Latino (12.8%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Kenai Peninsula Borough, Alaska is 41.5 years. Residents are 47.8% female and 52.2% male.
The median home value in Kenai Peninsula Borough is $297,500 and median monthly rent is $1,163. 76.8% of occupied housing units are owner-occupied. The county has 32,707 total housing units, 26.9% of which are vacant.
The largest employment sector in Kenai Peninsula Borough, Alaska is professional, scientific, and management services, employing 26.6% of workers. The unemployment rate is 3.9%.
Anchorage is among the largest cities associated with Kenai Peninsula Borough, Alaska, with a population of 289,069.
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Statewide data for Alaska
Population, race, income, age, and trends across Alaska
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.