simplemaplab

Hawaii County Map With Cities

By Marko Visic · Updated Oct 5, 2026

Hawaii has 5 counties, covering 6,423 square miles of land. The Census Bureau estimates its population at 1,432,820 as of July 1, 2025. The largest county by land area is Hawaii County; the most populous is Honolulu County; the least populous is Kalawao County.

Counties
5
Population
1,432,820
Land area
6,423 sq mi
Capital
Honolulu
Time Zone
Hawaii–Aleutian (HAT, no DST)

Tap or click any county for details. Need a printable version? Blank Hawaii map (PDF/PNG/SVG).

All 5 Hawaii counties

County FIPS code Population (July 1, 2025) ▼Change since April 2020 Land area (sq mi) People per sq mi Median household income (2020–2024)
Honolulu County15003988,703-2.7%6011,646$106,195
Hawaii County15001210,043+4.7%4,02852$78,639
Maui County15009160,592-2.5%1,162138$97,161
Kauai County1500773,400+0.1%620118$97,668
Kalawao County1500582+2.5%127$73,750

FIPS code: the Census Bureau’s five-digit county ID, a two-digit state code plus a three-digit county code. It is not a ZIP code.

How many counties does Hawaii have?

Hawaii has 5 counties covering 6,423 square miles. The state was admitted to the Union in 1959 as the 50th state.

The largest county by land area is Hawaii County at 4,028 square miles, home to 210,043 residents. The most populous is Honolulu County with 988,703 residents — a density of 1,646 people per square mile. At the other end of the scale, Kalawao County has 82 residents.

Honolulu is both the state capital and the largest city in Hawaii.

Related resources

Download a printable outline of Hawaii’s county boundaries from our blank map of Hawaii page — available in SVG, PNG, and PDF.

Use the What County Am I In? tool to detect which Hawaii county a GPS location or address falls in, or the Address to County Lookup for batch input.

For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Hawaii address and see every ZIP code and the total population inside.

Two SimpleMapLab studies cover Hawaii specifically: the 100-mile radius around Honolulu measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Hawaii ranks the state’s most isolated inhabited place. The county-counts blog post puts Hawaii’s 5 counties in national context.

Frequently asked questions

Hawaii has 5 counties. The state was admitted to the Union in 1959 as the 50th state. County boundaries have shifted over time as the population spread and new administrative units were carved from existing ones.
Hawaii County is the largest by land area at 4,028 square miles, with 210,043 residents.
Honolulu County is the most populous, with 988,703 residents over 601 square miles.
Kalawao County has the smallest population at 82 residents.
Honolulu is both the state capital and the largest city in Hawaii.
County population is the US Census Bureau's Vintage 2025 estimate for July 1, 2025; land and water area are from the 2026 Census Gazetteer; median household income is from the American Community Survey 2020–2024 5-year estimates. The county boundaries drawn on the map are the US Atlas TopoJSON build of the Census Bureau's TIGER/Line shapefiles. All figures are US Census Bureau data in the public domain.
Data sources