Kauai County GIS Maps

Kauai County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Kauai County Population

Kauai County had 73,298 residents in 2020. That was 9.3% higher than in 2010. Kauai County added 14,835 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 118 people per square mile. Some of the county's most populated postal areas include Kapaa, Lihue and Kalaheo.

Population Trend in Kauai County HI

Kauai County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Kauai County Zip Codes

Kauai County has 16 zip codes. Some of the county's most populated zip codes include Kapaa (96746), Lihue (96766) and Kalaheo (96741). Kapaa is the largest zip by population, with about 19,991 residents or 27% of the county total. Together, the three largest zips account for about 59% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Kauai County HI

Kauai County Zip Code populations and trends per most recent census data.

Kauai County Demographics

Kauai County has a median age of 42.7, which makes the county a little older than Hawaii overall. About 21.4% of residents are under 18, while 21.8% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 30.5% of the population, which points to a solid working-age base. About 30.2% of adults have a bachelor's degree or higher, above the statewide figure of 35.5%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Kauai County HI

Kauai County School Districts

Kauai County is served by 1 public school district with 167,071 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Kauai County HI

Kauai County school district enrollment and trends per most recent NCES reporting data.

Kauai County Housing & Real Estate

Kauai County has a median home value of $817,900 and a median gross rent of $1,810. About 67% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Hawaii median, while rents come in below the state average. In March 2026, the median listing price was $1,404,750 and homes spent about 103 days on the market.

Businesses in Kauai County, HI

Kauai County has 4,369 business listings across 617 categories. The largest categories in Kauai County business listings are Beach (155, 3.5%), Parks & Recreation (124, 2.8%), and Hotels (85, 1.9%). The full Kauai County business listings dataset includes names, categories, addresses and contact details where available. Kauai County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Kauai County, HI

Kauai County Business Listings

Kauai County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Kauai County Basemaps

Kauai County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Hawaii — explore the full structure before you buy.