Kauai County HI Information


Kauai County Subdivisions

Kauai County HI Data & Demographics (As of July 1, 2017)


Total Population 73,169
Daytime Population: Workers 36,532
Daytime Population: Residents 36,520
Total Daytime Population (TDP) 73,052
Ratio TDP/Total Population1 1.00
Population in Households 71,917
Population in Familes 58,013
Population in Group Qrtrs 1,252
Population Density2 118
Diversity Index3 84


Median Household Income $68,076
Average Household Income $85,942
Per Capita Income $30,755


Total Housing Units 31,925 (100%)
Owner Occupied HU 15,120 (47.4%)
Renter Occupied HU 9,971 (31.2%)
Vacant Housing Units 6,834 (21.4%)
Median Home Value $526,211
Average Home Value $587,756


Total Households 25,091
Average Household Size 2.87
Family Households 17,350
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.2% 1.16%
Households 1.06% 1.09%
Families 1.0% 1.05%
Median Household Income   2.06%
Per Capita Income   1.69%


Kauai County HI - Peer Comparisons by Rank and Percentile

The table below compares Kauai County to the other 5 counties and county equivalents in Hawaii by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 40th
Population Density # 3 60th
Diversity Index # 3 60th
Median Household Income # 4 40th
Per Capita Income # 4 40th

Additional comparisons and rankings can be made with a VERY EASY TO USE Hawaii Census Data Comparison Tool.