ZIP Code 96704 in Captain Cook, HI

Data Last Updated: February 1, 2026
City:Captain Cook, Hawaii
City Alias:Ocean View
County:Hawaii County
Timezone:Hawaii-Aleutian Islands (GMT -10:00)
Local Time:8:05:18 AM
Population:6,818 [See All]
Area Code:808
Classification:Standard [Normal Street Delivery]
Coordinates:19.3149, -155.7833
Land Area:246.39 sq mi
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Population & Demographics


ZIP Code 96704 has 6,818 residents and 2,439 households (average 2.78 persons per household). The median age is 49.2 years, significantly older than the state (40.8) and significantly older than the nation (38.8). The gender split is 50.8% male and 49.2% female, which is slightly higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (42.4%, much higher than the state average of 22.9% and well below the national average of 61.6%) and Asian (13.9%, much lower than the state average of 37.2% and well above the national average of 6.0%); Hispanic or Latino residents make up 9.6%, which is much lower than the national average (18.7%), and Native Hawaiian & Other Pacific Islander share is much higher than the national average (0.2%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:6,818Source: Census DHC
2024 ACS Population Estimate:7,261Source: Census ACS
2026 ZC Population Estimate:4,973Source: ZIP-Codes.com
Population Density:27.7 people per sq mile
Average Income:$86,941Source: Census ACS
Households:2,439Source: Census DHC
Average House Value:$662,200Source: Census ACS
Persons Per Household:2.78Source: Census DHC
Average Family Size:3.38Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--7,0167,1017,1177,4257,8737,8747,7337,8718,0498,4628,3918,5437,9757,261
Decennial Census6,505------------------6,818--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 49.2

Male Median Age: 48.3

Female Median Age: 50.1

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1672001861911551261572052151852072312943763051665639
Female14417819915511813017821518617315524531438729312559103
Total311378385346273256335420401358362476608763598291115142
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:2,88950.51%
Black:490.86%
Hispanic:*65211.40%
Asian:94516.52%
American Indian:390.68%
Hawaiian:90815.87%
Other:2384.16%
Total:5,720100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:3,46150.76%48.3 years
Females:3,35749.24%50.1 years
Total:6,818100%49.2 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:6,44288.72%
Native, born in PR, Island Areas, or abroad:961.32%
Foreign born, naturalized U.S. citizen:4366.00%
Foreign born, not a U.S. citizen:2879.96%
Total Population:7,261100%
Total Native Population:6,53890.04%
Total Foreign-born Population:7239.96%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $86,941, which is markedly greater than the national median ($80,734), is up $26,020 (42.7%) since 2011 and above its 2019 pre-pandemic level by $34,233. Family households earn a median of $98,158 versus $55,179 for nonfamily households (a difference of $42,979). By gender, male median income is $64,881 and female is $39,705, which is much lower than the national female median ($55,274), with a current gap of $25,176 that has widened from 2011 to 2024. The labor-force participation rate is 56.6%, which is falls short of the national rate (63.5%). The unemployment rate is 7.0%, which is above the national rate (5.2%). The largest occupation group is Management (27.9%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$60,921$58,000$49,847$52,344$50,169$51,141$51,483$52,714$52,708$59,063$67,845$84,286$95,492$86,941
Median Family Income$75,577$64,750$62,621$62,700$61,719$61,840$66,204$74,773$77,474$79,350$88,542$99,010$101,403$98,158
Median NonFamily Income$25,000$28,169$27,946$31,563$29,951$33,324$30,139$24,487$23,316$25,188$25,833$29,394$48,892$55,179
Median Male Income$35,959$32,904$32,010$34,947$37,837$34,063$40,509$40,190$36,413$37,969$48,852$54,794$62,586$64,881
Median Female Income$34,757$36,125$34,603$34,944$33,074$33,803$36,781$41,330$43,868$45,825$48,134$45,774$39,167$39,705
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:3,24952.64%
Unemployed:2443.95%
Not In Labor Force:2,67943.41%
Total:6,172100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:90827.95%
Service:83425.67%
Sales and Office:69821.48%
Natural resources, construction, and maintenance:63219.45%
Production, transportation, and material moving:1775.45%
Total Civilian Employed Population:3,249100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $662,200, which is much higher than the national median ($332,700), is up $195,000 (41.74%) since 2011 and above its 2019 pre-pandemic level by $181,500. The median gross rent is $2,053, which is markedly greater than the national median ($1,413), is up $1,011 (97.02%) since 2011 and above its 2019 pre-pandemic level by $776. Of occupied housing, owners make up 78.10% (43.54% with a mortgage, 56.46% free-and-clear) and renters 21.90% - making this ZIP Code under national rental averages. The vacancy rate is 26.98%, which is far higher than the national rate (10.12%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$467,200$444,400$408,500$385,700$413,500$409,900$439,400$457,900$480,700$501,600$474,800$493,200$586,200$662,200
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:5810.82%
$500 to $999:71.31%
$1,000 to $1,499:7313.62%
$1,500 to $1,999:6411.94%
$2,000 to $2,499:21540.11%
$2,500 to $2,999:50.93%
$3,000 or more:285.22%
No Rent:8616.04%
Total:536100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$1,042$1,043$1,126$1,118$1,059$1,316$1,295$1,332$1,277$1,401$1,605$1,723$1,705$2,053
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):83234.00%
Owner Occupied (free and clear, no mortgage):1,07944.09%
Renter Occupied:53621.90%
Total Occupied Housing Units:2,447100%

Occupied Housing Units:2,44773.02%
Vacant Housing Units (not graphed):90426.98%
Total Housing Units:3,351100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:3,12493.23%
Multi-Family Units:2276.77%
Other Units:00.00%
Total Housing Units:3,351100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 30.70% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 90.50%, which is comparable to the national rate (89.60%). The uninsured rate is 8.40%, which is comparable to the national rate (8.40%). Public coverage is 56.10%, which is far higher than the national rate (36.70%). The share of people in poverty is 5.80%, which is comparable to the national rate (8.80%), up 1.20 percentage points since 2011 and below its 2019 pre-pandemic level by 4.00 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (51.26%). College enrollment is 18.53%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:961.71%
9th to 12th grade, no diploma:4397.81%
High school graduate (includes equivalency):1,52227.08%
Some college, no degree:1,50526.77%
Associate's degree:3325.91%
Bachelor's degree:1,01718.09%
Graduate or professional degree:71012.63%
Total:5,621100%
High school or higher:5,08690.48%
Bachelor's degree or higher:1,72730.72%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:4,29647.82%
Public Insurance:4,07645.37%
No Insurance:6116.80%
Total:8,983100%
Has Health Insurance:8,37293.20%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty8.4%9.5%9.4%8.8%12.1%11.3%9.3%10.6%13.6%10.1%11.4%9.7%9.6%5.8%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:201.80%
Kindergarten:292.61%
Elementary school (grades 1-8):57051.26%
High school (grades 9-12):28725.81%
College or graduate school:20618.53%
Total:1,112100%
Early Childhood:494.41%
K-12 (Primary & Secondary School):88679.68%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 96704 supports both business and residential activity. According to the Business Census (2024), there are 77 business establishments, employing about 355 people with an annual payroll of $15,436,000. USPS data shows 1,789 residential mailboxes and 33 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,789Source: USPS
# Business Mailboxes:33Source: USPS
Total Delivery Receptacles:2,922Source: USPS
Single Family Delivery Units:936Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:77Source: CBP
1st Quarter Payroll:$3,800,000Source: CBP
Annual Payroll:$15,436,000Source: CBP
# of Employees:355Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 96704 is located in Hawaii County, Hawaii, within the Hilo-Kailua, HI Metropolitan Statistical Area (CBSA 25900) and Hawaii's 2nd Congressional District. This Micro area has a population of 185,079 people, about 3.68% of whom live in ZIP Code 96704. It covers 246.39 sq mi of land and a water area of 103.91 sq mi.

CBSA Name:Hilo-Kailua, HISource: Census
CBSA Number:25900Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:185,079Source: Census
MSA:Source: Census
Land Area:246.39 sq miSource: Census
Water Area:103.91 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:6213.4 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1503850Source: Census
Place Name:Captain Cook CDP; HawaiiSource: Census

Adjacent & Nearby ZIP Codes


96705 | | 96703

Schools in ZIP Code 96704


ZIP Code 96704 is in the Hawaii Department of Education, which serves grades Kindergarten thru 12th. There are 2 public schools and 1 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Honaunau Elementary School 83-5360 Mamalahoa Hwy
Captain Cook, HI 96704
District: Hawaii Department of Education
Hookena Elementary School 86-4355 Mamalahoa Hwy
Captain Cook, HI 96704
District: Hawaii Department of Education
Kona Adventist Christian School 82-1013 Kinue Rd
Captain Cook, HI 96704
District: Private School

Colleges & Post Secondary Schools near ZIP Code 96704


Mauna Loa Helicopters 73-310 U'u Street
Kailua Kona, HI 96740-2650
Type: Post Secondary
University Of Hawaii At Hilo 200 W Kawili St
Hilo, HI 96720-4091
Type: Post Secondary
Hawaii Community College 1175 Manono Street
Hilo, HI 96720-5096
Type: Post Secondary
Ibs School Of Cosmetology And Massage 110 East Kaahumanu Avenue
Kahului, HI 96732-2118
Type: Post Secondary
University Of Hawaii Maui College 310 W Kaahumanu Ave
Kahului, HI 96732-1617
Type: Post Secondary
Kapiolani Community College 4303 Diamond Head Road
Honolulu, HI 96816-4421
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov