Hilo — The Wettest City in America, Rebuilt Twice, and Genuinely Local

What Actually Makes Hilo Different

Hilo is not a resort town, and it is not trying to be one. It is Hawaii County's seat of government, the Big Island's largest population center, and a genuinely local, working town built around a working harbor, a state university, and an agricultural economy that predates tourism by more than a century. That character is a direct, deliberate contrast with the island's other major population center, Kailua-Kona, on the dry, sunny, resort-lined leeward side: island brokerages and travel writers consistently describe Hilo as the more affordable, less touristy, more distinctly local option, with a 1950s-era downtown of intact plantation-period storefronts, a university population from the University of Hawaii at Hilo (roughly 2,668 students as of fall 2024, on a 115-acre campus), and a Wednesday-through-Saturday farmers market culture that draws longtime residents rather than tour buses. Home prices reflect that split -- Hilo's median sale price has clustered somewhere in the roughly $480,000-to-$660,000 range across various 2025-2026 market snapshots (sources genuinely disagree on the exact figure and trend direction in this small market), while Kailua-Kona's median has run meaningfully higher, from roughly $675,000 to well above $800,000 depending on the source and month. Treat both ranges as directional, not settled, but the gap between the two towns is real and repeatedly documented.

The rain is not incidental to any of this -- it is close to the whole explanation. Hilo receives roughly 126 to 130 inches of rainfall a year near the bay, and that figure climbs toward 200 to 300 inches a few miles upslope, making it one of the wettest inhabited places in the entire United States by a wide margin, cited across multiple independent climate sources as the wettest major American city outright. That rainfall is why the Big Island's macadamia nut industry -- the first Hawaii macadamia plantation was established in Hilo in 1921, and Castle & Cooke's 1,000-acre orchard near Keaau (just outside Hilo), planted in 1949, grew into what became the Mauna Loa Macadamia Nut Corporation -- and its tropical-flower and orchid trade both took root here rather than on the drier Kona side. It's also why Hilo is green in a way few American towns are: waterfalls inside the town limits, rainforest a short drive upslope, and a genuinely different visual and sensory experience than the sunbaked resort corridor most visitors picture when they think of Hawaii. Hilo also functions as the real, practical gateway to Hawaii Volcanoes National Park, roughly 30 miles and about 45 minutes south via Highway 11 -- closer to the park than any other town of comparable size on the island.

None of that changes the fact that this is, first and foremost, the most tsunami-devastated town in documented US history, and any honest guide to Hilo has to lead with that rather than bury it. On April 1, 1946, a magnitude 8.6 earthquake in the Aleutian Islands sent a tsunami racing across the Pacific that struck Hilo with waves reported as high as 32 to 37 feet, overtopping the town's harbor breakwater -- a structure completed in 1929 specifically to calm the harbor for shipping, never designed as a tsunami barrier -- and killing 96 people in Hilo alone, out of 159 deaths statewide, while causing an estimated $26 million in damage in 1946 dollars and nearly demolishing the bayfront business district. Fourteen years later, on May 23, 1960, a tsunami generated by the magnitude 9.5 earthquake that struck Chile the day before -- still, as of this writing, the largest earthquake ever recorded on modern seismographic instruments -- arrived in Hilo as a series of waves, the largest reported near 35 feet, that killed 61 people, injured 282 more, and destroyed or damaged over 500 homes and businesses, this despite a Pacific-wide warning that reached Hawaii many hours ahead of the waves. Both disasters together are the direct reason the Pacific Tsunami Warning Center exists (its predecessor, the Seismic Sea Wave Warning System, was established in 1949 specifically in response to the 1946 disaster) and the direct reason the historically Japanese-American Shinmachi neighborhood along the bayfront, along with much of the rest of the original downtown waterfront district, was never rebuilt as private housing or commerce after 1960 -- it became Wailoa River State Recreation Area, Liliuokalani Gardens, and the wide belt of public parkland that still, today, physically separates rebuilt downtown Hilo from Hilo Bay. That green space is not decorative landscaping; it is the visible, permanent legacy of two mass-casualty disasters, and it shapes where a buyer can and cannot build today.

Hilo today runs on a mature, actively maintained tsunami warning and evacuation infrastructure that exists because of that history: a statewide monthly siren test on the first business day of each month, official tsunami evacuation zone maps published by Hawaii County Civil Defense covering every foot of the bayfront and low-lying downtown, and the Pacific Tsunami Warning Center itself, which -- worth stating precisely rather than loosely -- is headquartered at Ewa Beach on Oahu, not in Hilo, even though Hilo's own Pacific Tsunami Museum, housed in a downtown building that itself survived both disasters, exists specifically to preserve this history and educate residents and visitors on tsunami science and preparedness. Hawaii's real property ownership landscape adds one more layer worth understanding before shopping here: most Big Island property, including most of Hilo, is sold fee simple (outright ownership of land and structure), but leasehold arrangements -- where a buyer owns the structure but leases the underlying land on a long-term ground lease, often from large historic landowners -- do exist here, particularly in some older and agricultural-zoned subdivisions, and the distinction meaningfully affects financing, resale, and long-term cost. This page's sub-pages on property tax, buying process, flood zones, and coastal insurance each go deeper into these specifics with real, sourced figures, and flag plainly where this research could not confirm a number rather than inventing one.