Kenai Peninsula, Alaska

Kenai Peninsula population, land area and income

Kenai Peninsula had 61,259 residents in the Census Vintage 2024 estimate, on 16,017.6 square miles of land. It ranks 4th of 30 in Alaska by population and 12th by land area. That works out to 3.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Alaska has 6,175 residents, so Kenai Peninsula is 9.9 times that size.

Its SAIPE 2023 median household income of $74,185 is in the top quarter among 3,143 counties with an estimate.

How Kenai Peninsula's population changed since 2020

Kenai Peninsula gained 2,318 residents between the July 2020 and July 2024 estimates, a rise of 3.9%. That ranks 5th of 30 in Alaska for growth. The median Alaska county changed by -1.3%, and the state as a whole by +1.0%.

Since the April 2020 estimates base, Kenai Peninsula recorded 2,542 births and 2,365 deaths, a natural change of +177. Net international migration added +202 and net domestic migration, people moving to or from other US counties, came to +2,072. The largest single component was domestic migration, which added 2,072 people.

Where Kenai Peninsula is

The Census internal point of Kenai Peninsula is at 60.366700, -152.322300. It sits in UTM zone 5N. The map shades Alaska's 30 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Kenai Peninsula outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Kenai Peninsula

4 incorporated places of 1,000+ people have residents in Kenai Peninsula, 21,341 people together, or 35% of the county. Each figure counts only the part of the town inside Kenai Peninsula; towns marked "part" extend into another county. The largest is Kenai with 7,770.

Counties bordering Kenai Peninsula

The Census 2024 county adjacency file lists 6 neighbors for Kenai Peninsula. The most populous is Anchorage, AK, with 289,600 residents. Distances run between Census internal points in a straight line.

• Anchorage

  289,600 people

  117 mi ENE

• Matanuska-Susitna

  117,613 people

  161 mi NE

• Bethel

  18,237 people

  268 mi WNW

• Kodiak Island

  12,654 people

  192 mi SSW

• Chugach

  6,604 people

  209 mi E

• Lake and Peninsula

  1,315 people

  213 mi SW

Distance to Juneau and the nearest big city

Juneau is 644.6 miles E of Kenai Peninsula's internal point in a straight line. The nearest place of 100,000 or more is Anchorage, AK (population 289,600), 116.7 miles away.

Kenai Peninsula FIPS code

The FIPS code of Kenai Peninsula is 02122: state code 02 for Alaska plus borough or census area code 122. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $74,185.