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 distinguished by its share of foreign-born residents, 56.5% of the population. With 59,843 residents, Kenai Peninsula Borough is a county in Alaska. It is the #4-largest of all counties in Alaska nationally.
The typical household earns $77,722 a year, near the US median of $78,538. The poverty rate, 7.0%, is on the lower side for US counties and below the national 12.4%. The median home value is $297,500, with typical rent around $1,163.
Educational attainment is on the higher side for US counties — 29.4% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 9.4%, and the average commute runs about 20 minutes each way.
The large foreign-born share is a defining thread in Kenai Peninsula Borough, shaping language, household composition, and the labor force behind the economic figures above.
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.