Kauai County, HI Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| Population | 72,892 | 1,409,851 | 334,821,731 |
| Population density (per sq mi) | 57.6 | 127.8 | 85.8 |
| Population growth (%/yr) | 0.63% | 0.28% | 0.57% |
| Median age | 41.0 | 40.9 | 37.1 |
| Households | 23,465 | 487,829 | 128,459,983 |
Population in Kauai County grew by 16.8% from 2009 to 2023, reaching 73,610 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Kauai County has a the economy index of B, which means it is quite prosperous.
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| Median household income | $94,192 | $98,332 | $78,145 |
| Income growth (%/yr) | 4.75% | 4.52% | 5.07% |
| Unemployment rate | 3.9% | 4.7% | 5.2% |
The median household income in Kauai County is about 4% lower than in Hawaii.
Housing
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| Median home price | $1,015,151 | $555,557 | $242,182 |
| Median rent | $1,810 | $1,937 | $1,342 |
| Homeownership rate | 67.3% | 62.5% | 65.1% |
The median home price in Kauai County is about 46.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,810 per month for that long.
Commute Time & Mobility
Commuters in Kauai County spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 173 hours, about 7.2 full days, spent commuting.
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.8 | 22.9 | 22.5 |
| Round-trip commute (min) | 41.6 | 45.8 | 44.9 |
| Yearly time spent (hours) | 173 | 191 | 187 |
| Estimated yearly cost | $5,372 | $5,909 | $5,803 |
| Work from home | 7.9% | 8.8% | 13.4% |
| Highway traffic (vehicles/day) | 7,521 | 17,245 | 8,813 |
| Local road traffic (vehicles/day) | 1,778 | 2,478 | 1,355 |
Fastest commutes among counties in
Hawaii:
Kalawao County (8.8 min), Maui County (18.8 min), Kauai County (20.8 min).
Slowest:
Honolulu County (23.7 min), Hawaii County (21.6 min), Kauai County (20.8 min).
The average commute time in Kauai County is 21 minutes, shorter than the 23 minutes in Hawaii.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Kauai County has a education index of C, which means it is somewhat educated.
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 28.3% | 32.0% | 31.6% |
| Average household size | 3.10 | 2.87 | 2.54 |
Highest education index among counties in
Hawaii:
Honolulu County (0.3), Hawaii County (0.3), Kauai County (0.3).
Lowest:
Kalawao County (0.2), Maui County (0.3), Kauai County (0.3).
Health
Kauai County has a health index of A, which means it is very healthy.
| Metric | Kauai County | Hawaii Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 84.5 | 81.8 | 78.3 |
| Self-rated poor health | 12.9% | 13.3% | 16.3% |
| Smokers | 13.8% | 14.4% | 19.0% |
Highest health index among counties in
Hawaii:
Honolulu County (0.8), Kauai County (0.8), Maui County (0.8).
Lowest:
Hawaii County (0.8), Maui County (0.8), Kauai County (0.8).
Frequently Asked Questions
Common questions about Kauai County, Hawaii.
What is the population of Kauai County, Hawaii?
The population of Kauai County, Hawaii is 72,892, compared to the U.S. total of 334,821,731.
What is the population density of Kauai County, Hawaii?
The population density of Kauai County, Hawaii is 57.6 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Kauai County, Hawaii?
The median household income in Kauai County, Hawaii is $94,192, compared to the U.S. median of $78,145.
What is the median home price in Kauai County, Hawaii?
The median home price in Kauai County, Hawaii is $1,015,151, compared to the U.S. median of $242,182.
What is the unemployment rate in Kauai County, Hawaii?
The unemployment rate in Kauai County, Hawaii is 3.9%, compared to the U.S. average of 5.2%.