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What are the fastest-growing counties in Hawaii?

Hawaii County (+4.6%), Kauai County (+0.3%) and Honolulu County (−2.3%) grew fastest in Hawaii between 2020 and 2025.

Hawaii as a whole shrank 1.3% between 2020 and 2025, to 1,432,820 residents.

Data as of 2025 · updated

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All 5 Hawaii counties ranked

Hawaii counties by population growth
RankCountyResidents 2025Change 2020–25Net migration per 1,000, 2025New homes per 1,000, 2025
1Hawaii County210,043+4.6%1.45.9
2Kauai County73,400+0.3%−3.51.8
3Honolulu County988,703−2.3%−6.81.5
4Maui County160,592−2.5%−13.95.6
–Kalawao County82–––

Ranked by the change in Census Bureau population estimates, 2020–2025. 1 county is listed last and not ranked: fewer than 1,000 residents, or no estimate for the same years.

Statewide totals

Metro areas

Fastest-growing metro areas in the U.S.

Every U.S. metro and micro area

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Questions

Is Hawaii growing?

Hawaii as a whole shrank 1.3% between 2020 and 2025, to 1,432,820 residents. Statewide figures add up its counties.

What is the fastest-growing county in Hawaii?

Hawaii County, which grew 4.6% between 2020 and 2025 to 210,043 residents (Census Bureau population estimates). Kauai County (+0.3%) and Honolulu County (−2.3%) came next.

Which Hawaii counties are losing population?

2 of the 4 ranked counties had fewer residents in 2025 than in 2020. The steepest declines: Maui County (−2.5%), Honolulu County (−2.3%).

Where are people moving in Hawaii?

For their size, Hawaii County (1.4 per 1,000 residents), Kauai County (−3.5 per 1,000 residents) and Honolulu County (−6.8 per 1,000 residents) drew the most net domestic migration (people moving in from other U.S. counties minus people moving out) in 2025.

Fastest-growing counties in other states

Across the U.S.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.