Skip to main content

ZIP Code 99777, Alaska

ZIP Code 99777 profile, demographic data, and geographic information.

ZCTA5 99777 is a 5-digit ZIP Code area located in Yukon-Koyukuk Census Area, Alaska. As of official census estimates, it has a reported population of 334. The land area covers 8.41 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 334 ±103 2020-2024 / Census ACS 5-Year 2024
Median Age 41.7 yrs ±17.7 2020-2024 / Census ACS 5-Year 2024
Total Households 168 ±45 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 229 ±44
Occupied Housing Units 168 ±45
Vacant Housing Units 61 ±11
Median Home Value $67,100 ±$10,265
Median Gross Rent $780 ±$45
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $83,036 ±$21,377
Per Capita Income $35,747 ±$5,820
Poverty Rate 11.7% ±8.4%
Population Below Poverty Level 38 ±30
Unemployment Rate 0.6% ±1.7%
Civilian Labor Force, Employed 177 ±84
Broadband Internet Rate 66.7% ±19.2%
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 1 civic institution across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
TANANA COMMUNITY/SCHOOL LIBRARY
Library 1.3 mi away 89 FRONT STREET, TANANA, AK, 99777
(907) 366-7356
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 TANANA CALHOUN MEM AP, AK US, located 1.6 miles from ZCTA5 99777. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January -1.2° -17.4° -9.3° 0.38" 7.7"
February 8.2° -10.6° -1.2° 0.44" 8.0"
March 18.9° -6.3° 6.3° 0.24" 5.4"
April 39.3° 15.6° 27.4° 0.30" 2.5"
May 58.9° 33.4° 46.1° 0.64" 0.3"
June 70.1° 45.4° 57.8° 1.48" 0.0"
July 70.8° 48.8° 59.8° 1.95" 0.0"
August 63.9° 43.2° 53.6° 2.68" 0.0"
September 51.8° 33.5° 42.6° 1.68" 0.8"
October 31.3° 17.4° 24.3° 0.71" 5.0"
November 10.5° -4.0° 3.3° 0.56" 10.0"
December 2.4° -12.9° -5.2° 0.41" 10.3"
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
Tanana city City 0.0 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99777. • 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.