[3] ʻĀinaloa is located on the eastern side of the island of Hawaiʻi at 19°31′33″N 154°59′38″W / 19.52583°N 154.99389°W / 19.52583; -154.99389 (19.525819, -154.994022).

According to the United States Census Bureau, the CDP has a total area of 2.0 square miles (5.1 km2), all of it land.

[3] At the 2010 census there were 2,965 people in 1,005 occupied households residing in the CDP.

There were 1,165 housing units at an average density of 647.2 per square mile (249.9/km2).

The racial make-up was 28.8% White, 0.6% African American, 0.5% Native American & Alaska Native, 14.4% Asian, 14.7% Pacific Islander, 1.2% from other races and 39.8% from two or more races.