ZIP Code 96821, Hawaii
ZIP Code 96821 profile, demographic data, and geographic information.
ZCTA5 96821 is a 5-digit ZIP Code area located in Honolulu County, Hawaii. As of official census estimates, it has a reported population of 20,053. The land area covers 11.57 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 20,053 | ±1,449 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 50.7 yrs | ±2.7 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 6,766 | ±366 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 7,358 | ±405 |
| Occupied Housing Units | 6,766 | ±366 |
| Vacant Housing Units | 592 | ±215 |
| Median Home Value | $1,563,300 | ±$64,069 |
| Median Gross Rent | $3,061 | ±$242 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $174,938 | ±$17,421 |
| Per Capita Income | $79,943 | ±$6,050 |
| Poverty Rate | 6.1% | ±1.8% |
| Population Below Poverty Level | 1,212 | ±372 |
| Unemployment Rate | 5.1% | ±1.4% |
| Civilian Labor Force, Employed | 9,452 | ±1,019 |
| Broadband Internet Rate | 96.5% | ±0.8% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 09-12 | Honolulu, HI | |
| Regular School Nearby | PK-06 | Honolulu, HI | |
| Regular School Nearby | PK-06 | Kaneohe, HI | |
| Regular School Nearby | PK-06 | Aiea, HI | |
| Regular School Nearby | 09-12 | Aiea, HI | |
| Regular School Nearby | 07-08 | Aiea, HI | |
| Regular School Nearby | PK-06 | Kailua, HI | |
| Regular School Nearby | PK-05 | Honolulu, HI | |
| Regular School Nearby | PK-05 | Honolulu, HI | |
| Regular School Nearby | PK-06 | Honolulu, HI |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Chaminade University of Honolulu
|
College | 3.9 mi away | 3140 Waialae Avenue, Honolulu, HI, 96816-1578 |
8087354711
|
|
AINA HAINA PUBLIC LIBRARY
|
Library | 2.3 mi away | 5246 KALANIANAOLE HWY., HONOLULU, HI, 96821 |
(808) 377-2456
|
|
Kapiolani Community College
|
College | 4.1 mi away | 4303 Diamond Head Road, Honolulu, HI, 96816-4421 |
8087349000
|
|
WAIMANALO PUBLIC AND SCHOOL LIBRARY
|
Library | 3.4 mi away | 41-1320 KALANIANAOLE HWY., WAIMANALO, HI, 96795 |
(808) 259-2610
|
|
University of Hawaii at Manoa
|
College | 4.4 mi away | 2500 Campus Road, Honolulu, HI, 96822-2217 |
8089568111
|
|
KAIMUKI PUBLIC LIBRARY
|
Library | 3.7 mi away | 1041 KOKO HEAD AVE., HONOLULU, HI, 96816 |
(808) 733-8422
|
|
University of Hawaii System Office
|
College | 4.4 mi away | 2444 Dole St, Honolulu, HI, 96822-2399 |
8089568111
|
|
MANOA PUBLIC LIBRARY
|
Library | 3.7 mi away | 2716 WOODLAWN DR., HONOLULU, HI, 96822 |
(808) 988-0459
|
|
Hawaii Medical College
|
College | 6.2 mi away | 1221 Kapiolani Boulevard Ste. 644, Honolulu, HI, 96814-3518 |
8082375140
|
|
HAWAII KAI PUBLIC LIBRARY
|
Library | 3.9 mi away | 249 LUNALILO HOME RD., HONOLULU, HI, 96825 |
(808) 397-5833
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at WAIMANALO EXP F 795.1, HI US, located 3.1 miles from ZCTA5 96821. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 78.2° | 64.8° | 71.5° | 4.79" | 0.0" |
| February | 78.0° | 65.4° | 71.7° | 4.45" | 0.0" |
| March | 78.5° | 66.7° | 72.6° | 5.40" | 0.0" |
| April | 79.9° | 68.9° | 74.4° | 3.26" | 0.0" |
| May | 81.4° | 70.1° | 75.8° | 2.43" | 0.0" |
| June | 83.3° | 72.7° | 78.0° | 1.26" | 0.0" |
| July | 84.4° | 73.7° | 79.1° | 1.86" | 0.0" |
| August | 85.0° | 74.3° | 79.7° | 1.97" | 0.0" |
| September | 85.3° | 73.7° | 79.5° | 2.62" | 0.0" |
| October | 84.1° | 72.6° | 78.3° | 3.54" | 0.0" |
| November | 81.6° | 70.5° | 76.0° | 5.40" | 0.0" |
| December | 79.1° | 67.8° | 73.5° | 5.45" | 0.0" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Waimanalo CDP | CDP | 2.6 mi | — |
| East Honolulu CDP | CDP | 2.7 mi | — |
| Maunawili CDP | CDP | 4.0 mi | — |
| Waimanalo Beach CDP | CDP | 4.0 mi | — |
| Kailua CDP | CDP | 6.0 mi | — |
| Urban Honolulu CDP | CDP | 6.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 96821. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.