4th most populous of 30
With 61,259 residents in 2024, Kenai Peninsula Borough ranks 4th by population among Alaska's 30 boroughs and census areas and is home to 8.3% of the state's residents.

Kenai Peninsula Borough has the 3rd highest homeownership rate in Alaska (77.0%) and the 5th largest economy ($3.6 billion GDP).
Kenai Peninsula Borough is home to 61,259 people (2024 estimate) on 16,018 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 61,259 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 55,400 | 2010 · U.S. Census Bureau |
| Population, 2000 | 49,618 | July 1, 2000 · Census intercensal |
| Change since 2000 | +23.5% | 2000–2024 · Census |
| International migration | +64 | 2024 · Census Vintage 2024 |
| Domestic migration | +3 | 2024 · Census Vintage 2024 |
| Birth rate | 8.3 per 1,000 | 2024 · calculated |
| Death rate | 9.9 per 1,000 | 2024 · calculated |
| Population rank in Alaska | 4th of 30 | 2024 · calculated |
| Per capita personal income | $67,429 | BEA, 2024 · official |
| Gross domestic product | $3.6 billion | BEA, current dollars, 2024 · official |
| Median household income | $80,538 | ACS 2020–2024 5-year · official |
| Poverty rate | 11.8% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 29.8% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 3.7% | ACS 2020–2024 5-year · official |
| Median home value | $323,200 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,184/month | ACS 2020–2024 5-year · official |
| Median age | 41.4 years | ACS 2020–2024 5-year · official |
| Households | 24,371 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 77.0% | ACS 2020–2024 5-year · official |
Comparable indicators for Kenai Peninsula Borough, Alaska and the United States.
| Indicator | County | Alaska | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +4.2% | +0.9% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 8.3 | 12.2 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.9 | 7.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 1.1 | 0.3 | 8.2 | 2024 |
| Population density (/mi²) | 3.8 | 1.3 | 96.3 | 2024 |
| Per capita personal income | $67,429 | $76,234 | $73,204 | BEA, 2024 |
| Median household income | $80,538 | $92,788 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 11.8% | 10.1% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 29.8% | 31.7% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 3.7% | 7.7% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $323,200 | $352,900 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,184/month | $1,419/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 41.4 years | 35.8 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 77.0% | 66.8% | 65.2% | ACS 2020–2024 5-year |
2 cities · choose how to order them
With 61,259 residents in 2024, Kenai Peninsula Borough ranks 4th by population among Alaska's 30 boroughs and census areas and is home to 8.3% of the state's residents.
Its population went from 49,618 in 2000 to 61,259 in 2024, a change of +23.5%, compared with +17.9% for Alaska as a whole.
In the year to July 2024 the county recorded 510 births and 608 deaths, so deaths outnumbered births by 98.
Annual Census estimates since 2000 put the county's highest population at 61,285 in 2023. The 2024 figure is 26 lower.
Kenai Peninsula Borough has about 3.8 residents per square mile of land, ranking 5th of 30 boroughs and census areas; Alaska averages 1.3.
With a median household income of $80,538 (ACS 2020–2024 5-year), the county ranks 17th of 30 Alaska boroughs and census areas; the state median is $92,788.
Its economy produced $3.6 billion of GDP in 2024 (BEA), 5th largest among 30 Alaska boroughs and census areas.
Real GDP grew 2.3% in 2024, adjusted for inflation (BEA, chained 2017 dollars).