Wainaku, HI Profile: Facts & Data


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Wainaku, Hawaii - Basic Facts

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The Wainaku CDP(1) had a population of 1,232 as of July 1, 2021.

The primary coordinate point for Wainaku is located at latitude 19.7425 and longitude -155.0921 in Hawaii County. The formal boundaries for the Wainaku Census Designated Place encompass a land area of 1.32 sq. miles and a water area of 0.15 sq. miles. Hawaii County is in the Hawaii time zone (GMT -10). The elevation is 161 feet.

The Wainaku Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Hawaii is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Wainaku Census Designated Place is located within Hilo Division of Hawaii County.

Alternate Unofficial Names for Wainaku: Wainaku Landing, Wainaku Mill.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Wainaku 2021 Demographic Data
  2. Growth Rates for Wainaku (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Hawaii Research Tools (Easy Tools & Current Data)
  3. Hawaii Data Comparison Tool - 2021 Demographics

Wainaku, HI Data & Demographics (As of July 1, 2021)


Total Population 1,232 (100%)
Population in Households 1,204 (97.7%)
Population in Families 993 (80.6%)
Population in Group Quarters1 28 ( 2.3%)
Population Density 933
Diversity Index2 82


Median Household Income $53,757
Average Household Income $88,209
% of Income for Mortgage4 34%
Per Capita Income $29,178
Wealth Index5 116


Total HU (Housing Units) 455 (100%)
Owner Occupied HU 299 (65.7%)
Renter Occupied HU 108 (23.7%)
Vacant Housing Units 48 (10.5%)
Median Home Value $430,392
Average Home Value $502,843
Housing Affordability Index3 77


Total Households 407
Average Household Size 2.96
Family Households 302
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.06% 0.31%
Households -0.04% 0.29%
Families -0.06% 0.33%
Median Household Income   2.33%
Per Capita Income   2.14%
Owner Occupied HU   0.4%

Wainaku, HI - Peer Comparisons by Rank and Percentile

The table below compares Wainaku to the other 151 incorporated cities, towns and CDPs in Hawaii by rank and percentile using July 1, 2021 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 # 114 25th
Population Density # 78 49th
Median Household Income # 129 15th
Housing Affordability Index # 77 51st
Per Capita Income # 89 42nd
Diversity Index # 87 44th

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

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