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Kapaa

HawaiiCDP

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Total population

11,094

Median home value

$861,300

29.7%

Bachelor's+

Median income

$89,477

Kapaa$89k
National$74k
Weather74°F · Scattered Rain Showers
Coordinates22.09°, -159.35°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Found in Hawaii, United States, Kapaa is classified as a small census-designated community in public datasets. Population sits at roughly 11,094 according to the open data we track. Coordinates of 22.088°, -159.352° situate Kapaa in the tropical zone of the northern hemisphere. The administrative footprint covers about 26 km². The latitude suggests warm temperatures throughout the year with pronounced wet and dry seasons. Solar-resource estimates put the area at about 2,049 kWh/m² of solar irradiance per year with sunshine for roughly 80% of daylight hours. That works out to roughly 427 residents per square kilometre — an average residential density. Continue scrolling for population, climate, environmental and points-of-interest data drawn from public sources.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Median age
48.4
Median home value
$861,300
Housing units
4,169
Poverty rate
7.5%
Unemployment
2.3%

Race & ethnicity

White
28.8%
Black
1%
Asian
34.4%
Hispanic
8.5%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
22.0882
Longitude
-159.3519
Water area
0.33 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Tonight
74°F
Scattered Rain Showers
Friday
85°F
Scattered Rain Showers
Friday Night
74°F
Scattered Rain Showers
Saturday
85°F
Scattered Rain Showers
Saturday Night
73°F
Scattered Rain Showers
Sunday
84°F
Scattered Rain Showers

Forecast for Kapaa, HI from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

Walkability

Amenities nearby

Wildlife & biodiversity

Schools

Earthquake history

Photos

Sights & places nearby

Notable people from here

Nearby places in Hawaii

Browse all places in Hawaii →

Geography & sun

Avg solar (kWh/m²/day)
5.61
Annual solar (kWh/m²)
2,049

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
525
Avg daily Wikipedia views
18
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Kapaa

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
Left Branch Opaekaa Str nr Kapaa, Kauai, HI
Distance
2.9 mi
Streamflow
3.5 cfs
Gage height
1.02 ft

Live readings from USGS NWIS · measured 2026-10-15 21:45 UTC.

Events

Sources

  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • USGS NWIS (water data)
  • • iNaturalist
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library