Kauai County Flag

Kauai County

State:
Hawaii
County Seat:
Lihu'e

Kauai County's estimated 2025 population is 73,987 with a growth rate of 0.09% in the past year according to the most recent United States census data. Kauai County is the 4th largest county in Hawaii. The 2010 population was 67,208 and has seen a growth of 10.09% since that time.

73,987
Total Population
119
Population Density (mi²)
4
Population Rank (State)
68 0.09%
Annual Population Growth

Kauai County Population

Kauai County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Kauai County includes 30.09% White, 29.62% Asian, 10.24% Native Hawaiian or Pacific Islander, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White22,15130.09%
Asian21,80029.62%
Two or more races20,43127.76%
Native Hawaiian or Pacific Islander7,53810.24%
Other race1,0871.48%
Black or African American4660.63%
Native American1370.19%

Kauai County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Kauai County's average per capita income is $47,325. Household income levels show a median of $93,612. The poverty rate stands at 8.8%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$123,229$148,867
Families$107,023$134,143
Households$93,612$124,027
Non Families$57,690$82,610

$47,325

Average Income

$93,612

Median Household Income

8.8%

Poverty Rate