On its age, its old homes and the National Register, Ahuimanu is more historic than 12% of U.S. towns, #57 of 93 in Hawaii. Its National Register listings hold the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Ahuimanu’s overall grade.
Few Hawaii towns list much on the Register (a typical Hawaii town has 0.0 per 10,000 residents, the U.S. 2.4), so Ahuimanu’s 1.2 sits above most of its state (68% of Hawaii towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1973.
How sure. Graded on any two of the three inputs instead, the letter would range from D− to C−. The pre-1940 share (±0.5 points) is firm at this size.
Founding year: Wikidata (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Ahuimanu’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Ahuimanu yet. The photos, dates and memories neighbors add here are how it gets written.
ʻĀhuimanu (Hawaiian pronunciation: [ʔaːhuwiˈmɐnu]) is a census-designated place (CDP) in the City & County of Honolulu, Hawaii, United States, on the island of Oahu. In Hawaiian ʻāhui-manu means "cluster of birds". ʻĀhuimanu is spread out beneath the steep windward pali (cliff face) of the Koʻolau Range and separated by a low ridge from Heʻeia Kea. Thus, this area is mostly inland and not directly on Kāneʻohe Bay. However, one neighborhood spreads over the ridge and along Kamehameha Highway where there is private access to the bay shore. Proximity to the pali gives the place a generally wet climate. As of the 2010 Census, this largely residential area had a population of 8,810. A small comm…
Ahuimanu was established in 1973. Its population held steady between the last two censuses: 8,810 in 2010, 8,969 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Ahuimanu is more historic than 12% of U.S. towns, #57 of 93 in Hawaii. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Ahuimanu?
One place: the Kahaluu Taro Lo'i (listed 1973).
How old are the homes in Ahuimanu?
0.0% of Ahuimanu’s homes were built before 1940 (Census estimate), against a typical 1.7% for a Hawaii town; the median home was built in 1976.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From the National Register of Historic Places (1) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
