Hawaii Counties by Population (2025)

There are 5 counties in Hawaii.

Honolulu County is the largest county in the state, with a population of 1,002,918. The most recent census shows that its population has decreased by 0.01% since the previous census.

A number of other Hawaii counties also boast relatively large populations for their state, though not able to match the density of Honolulu County:

• Hawaii County : 211,537
• Maui County : 162,622

Hawaii Counties with the Fewest Residents

The smallest county in Hawaii is Kalawao County , with a population of just 81. This total represents a increase of 0.0% since the last census count was performed.

Other small counties include:

• Kauai County : 73,747
• Maui County : 162,622
• Hawaii County : 211,537

Hawaii Counties with Rapid Growth

Hawaii County , with its sizeable population of 211,537, has shown the largest population growth, with an increase of 0.1% since the last census.

Honolulu County has also had relatively high population growth of -0.01% with 1,002,918 residents.

On the other hand, Maui County has had the largest decrease in population, with its 162,622 current residents totalling 0.0% less than the previous census.