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ZIP Code 99921, Alaska

ZIP Code 99921 profile, demographic data, and geographic information.

ZCTA5 99921 is a 5-digit ZIP Code area located in Prince of Wales-Hyder Census Area, Alaska. As of official census estimates, it has a reported population of 1,596. The land area covers 2,241.49 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,596 ±142 2020-2024 / Census ACS 5-Year 2024
Median Age 49.3 yrs ±4.2 2020-2024 / Census ACS 5-Year 2024
Total Households 753 ±87 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 1,052 ±99
Occupied Housing Units 753 ±87
Vacant Housing Units 299 ±50
Median Home Value $302,900 ±$59,000
Median Gross Rent $1,131 ±$97
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $64,250 ±$6,109
Per Capita Income $49,849 ±$5,453
Poverty Rate 8.4% ±2.5%
Population Below Poverty Level 133 ±41
Unemployment Rate 4.1% ±1.6%
Civilian Labor Force, Employed 873 ±114
Broadband Internet Rate 86.9% ±14.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Education

No public or private school records currently linked for this geographic area.
Search nationwide schools directly on K12Guides.com →

Community Facilities & Infrastructure

Displaying 3 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
HOLLIS PUBLIC LIBRARY
Library 3.1 mi away NO. 1 HOLLIS CHILKAT ROAD, HOLLIS, AK, 99950
(907) 530-7112
THORNE BAY PUBLIC LIBRARY
Library 13.7 mi away 120 FREEMAN DRIVE, THORNE BAY, AK, 99919
(907) 828-3303
CRAIG PUBLIC LIBRARY
Library 17.8 mi away 504 THIRD STREET, CRAIG, AK, 99921
(907) 826-3281
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 THORNE BAY, AK US, located 14.0 miles from ZCTA5 99921. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 38.2° 28.1° 33.2° 8.16" —
February 39.6° 28.3° 33.9° 5.46" —
March 42.7° 29.7° 36.2° 6.25" —
April 49.9° 33.9° 41.9° 5.09" —
May 57.1° 40.0° 48.6° 3.51" —
June 62.6° 46.2° 54.4° 4.08" —
July 65.5° 50.6° 58.1° 5.30" —
August 65.3° 50.2° 57.8° 6.98" —
September 58.9° 45.2° 52.1° 8.63" —
October 50.6° 38.0° 44.3° 12.12" —
November 41.8° 32.2° 37.0° 10.52" —
December 37.7° 29.6° 33.7° 9.08" —
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
Hollis CDP CDP 0.0 mi —
Kasaan city City 12.0 mi —
Thorne Bay city City 12.3 mi —
Klawock city City 15.8 mi —
Craig city City 16.1 mi —
Hydaburg city City 21.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99921. • Official Source Dataset →
  2. 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.
  3. 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.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.