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COUNTY · 1990 CENSUS

Kauai County

Hawaii · 51,177 residents · 620 sq mi
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The short version

With 51,177 people, Kauai County is a county in Hawaii. Median home value sits at $170,200. Median rent is $618 a month. Poverty is uncommon here, at 7.2% of locals. Median household income runs $37,425, well clear of the $30,130 US median. Owners hold 59% of the housing stock.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.2
US median: 33.0
Less educated
16% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
51,177
−12%vs 2000
vs 58,463 in 2000
1990 – 2025
Median age
34.2
−11%vs 2000
vs 38.4 in 2000
US average: 33.0
Land area
620 sq mi
Population, 1990 – 2024
49K56K62K69K76K19902000201020202024Kauai County
202474K
1990201020202024
Age distribution, 1990
Under 57.5%(3,858)
US avg: 7.3%
5 to 98.1%(4,147)
US avg: 7.3%
10 to 148.1%(4,163)
US avg: 6.9%
15 to 196.2%(3,183)
US avg: 7.1%
20 to 245.4%(2,781)
US avg: 7.5%
25 to 3416%(8,202)
US avg: 17.5%
35 to 4417.6%(9,012)
US avg: 15.1%
45 to 549.8%(5,012)
US avg: 10.2%
55 to 648%(4,093)
US avg: 8.5%
65 to 747.7%(3,947)
US avg: 7.3%
75 to 844.1%(2,099)
US avg: 4%
85 and over1.3%(680)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$37,425
+10%inflation adjusted, since 2000
vs $45,020 in 2000
US average: $30,130
1990 – 2024
Per capita income
$14,254
−30%vs 2000
vs $20,301 in 2000
US average: $14,340
Poverty rate
7.2%
−3.3 ptsvs 2000
vs 10.5% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$170,200
+4%inflation adjusted, since 2000
vs $214,600 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$618
+10%inflation adjusted, since 2000
vs $739 in 2000
US average: $450
Owner-occupied
58.8%
−2.6 ptsvs 2000
vs 61.4% in 2000
41.2% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic27.9%(16,284)
Black0.3%(163)
Hispanic / Latino8.2%(4,803)
Asian34.9%(20,412)
Other0%
1990
White, non-Hispanic34.6%(17,726)
Black0.3%(143)
Hispanic / Latino10.8%(5,525)
Asian62.5%(31,963)
Other2.6%(1,345)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Puerto Rican3.2%(2,371)
Mexican2.9%(2,102)
Spaniard0.6%(464)
Salvadoran0.3%(238)
Peruvian0.2%(155)
Colombian0.2%(130)
Costa Rican0.1%(50)
Cuban0.1%(48)
Chilean0.1%(41)
Venezuelan0.1%(41)
+ 4 more hispanic origin groups with data
Asian origin
Filipino18.4%(13,571)
Japanese8.7%(6,405)
Chinese0.5%(348)
Vietnamese0.2%(153)
Korean0.2%(140)
Okinawan0.1%(104)
Thai0.1%(79)
Asian Indian0.1%(48)
Pacific Islander origin
Native Hawaiian24.9%(18,341)
Marshallese0.8%(564)
Chamorro0.5%(351)
Samoan0.5%(336)
Tongan0.4%(274)
Guamanian0.1%(73)
Chuukese0%(12)
Fijian0%(4)
Ancestry
German6.8%(4,986)
Irish6.3%(4,623)
English6%(4,403)
Portuguese5.3%(3,931)
Italian3.1%(2,273)
French1.8%(1,356)
Scottish1.3%(983)
American1.2%(904)
Polish0.9%(682)
Swedish0.9%(658)
Norwegian0.5%(399)
Dutch0.5%(389)
+ 35 more ancestry groups with data
Russian0.5%(377)
Czech0.4%(308)
Swiss0.4%(290)
Ukrainian0.3%(234)
Scotch-Irish0.3%(201)
Welsh0.3%(201)
Danish0.2%(176)
Hungarian0.2%(171)
Greek0.2%(167)
Lithuanian0.2%(127)
Finnish0.2%(123)
Austrian0.1%(101)
West Indian0.1%(101)
British0.1%(92)
Arab0.1%(74)
Bulgarian0.1%(59)
Canadian0.1%(43)
Lebanese0.1%(37)
Syrian0%(35)
Romanian0%(34)
Nigerian0%(31)
Jamaican0%(30)
Latvian0%(25)
Brazilian0%(23)
Haitian0%(19)
Croatian0%(18)
Slovak0%(13)
Serbian0%(8)
Iranian0%(6)
Section 05

Education

Bachelor's degree or higher
16.3%
−3.2 ptsvs 2000
vs 19.4% in 2000
US average: 20.3%
High school or higher
73.1%
−10.2 ptsvs 2000
vs 83.3% in 2000
US average: 75.2%
Graduate degree
3.9%
−2.2 ptsvs 2000
vs 6.1% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
18.8 min
+27%vs 2000
vs 14.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married38.1%(11,397)
Married50.1%(14,987)
Widowed2.6%(774)
Divorced9.3%(2,773)
Women 15+
Never married29.5%(9,072)
Married49%(15,080)
Widowed9.7%(2,979)
Divorced11.8%(3,642)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
4.0%
−5.9 ptssince 2013
from 9.9% in 2013
US average: 8.4%
Employer-based
58.8%
−4.6 ptssince 2020
from 63.4% in 2020
US average: 54.8%
Direct-purchase
13.6%
+3.1 ptssince 2020
from 10.5% in 2020
US average: 13.8%
Medicare
22.3%
+1.9 ptssince 2020
from 20.4% in 2020
US average: 18.4%
Medicaid
22.5%
+3.4 ptssince 2020
from 19.1% in 2020
US average: 20.9%
VA health care
2.7%
+0.9 ptssince 2020
from 1.8% in 2020
US average: 2.2%
Any private
68.8%
−3.1 ptssince 2020
from 71.9% in 2020
US average: 67.1%
Any public
43.0%
+5.2 ptssince 2020
from 37.8% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)20.9%(774)
US avg: 26.4%
Gulf War (1990s)16.7%(621)
US avg: 24.3%
Vietnam era42.6%(1,581)
US avg: 33.1%
Korean War10.3%(381)
US avg: 4.5%
World War II0.9%(34)
US avg: 1%

Share of the 3,711 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Kauai County

Effingham County
Pop 74,397
Garfield County
Pop 63,474
Monroe County
Pop 80,406
Hancock County
Pop 90,969
Places similar to Kauai County
Head to head

Compare Kauai County to nearby counties

KAUAI COUNTY VS
Honolulu County
Income$106,195+184%
Home value$897,500+427%
Population988,703+1247%
SEE FULL COMPARISON →
Frequently asked

How many people live in Kauai County, Hawaii?

Kauai County, Hawaii has about 51,177 residents according to the 1990 Census.

What is the median household income in Kauai County, Hawaii?

The typical household in Kauai County, Hawaii earns about $37,425 a year. Half of households make more than that, and half make less.

Is Kauai County, Hawaii expensive?

In Kauai County, Hawaii, the median home is worth about $170,200, and the typical rent is about $618 a month.

How educated are people in Kauai County, Hawaii?

About 16.3% of adults age 25 and over in Kauai County, Hawaii hold a bachelor's degree or higher.

What is the poverty rate in Kauai County, Hawaii?

About 7.2% of people in Kauai County, Hawaii live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →