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ZIP Code 99670, Alaska

ZIP Code 99670 profile, demographic data, and geographic information.

ZCTA5 99670 is a 5-digit ZIP Code area located in Bristol Bay Borough, Alaska. As of official census estimates, it has a reported population of 73. The land area covers 88.16 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 73 ±30 2020-2024 / Census ACS 5-Year 2024
Median Age 49.4 yrs ±10.1 2020-2024 / Census ACS 5-Year 2024
Total Households 47 ±20 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 128 ±22
Occupied Housing Units 47 ±20
Vacant Housing Units 81 ±11
Median Home Value $96,700 ±$72,152
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $54,063 ±$7,500
Per Capita Income $34,663 ±$8,887
Poverty Rate 20.5% ±14.1%
Population Below Poverty Level 15 ±12
Unemployment Rate 25% ±25.2%
Civilian Labor Force, Employed 24 ±12
Broadband Internet Rate 87.2% ±24.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 884 (2024)
ID: 160738
County Official County Government
Contact: MAYOR
PO BOX 189, NAKNEK AK 99633-0189

Education

Listing 1 local institution (NCES 2023-2024) External reference via K12Guides
Institution Type Grades Location
4 Nearby 7-14 NAKNEK, AK
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 2 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
SOUTH NAKNEK PUBLIC LIBRARY
Library 4.9 mi away 1 SCHOOL ROAD, SOUTH NAKNEK, AK, 99670
(907) 246-6513
MARTIN MONSEN REGIONAL LIBRARY
Library 11.5 mi away 101 MAIN STREET, NAKNEK, AK, 99633
(907) 246-4465
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 KING SALMON, AK US, located 12.8 miles from ZCTA5 99670. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 23.5° 9.8° 16.6° 0.93" 8.6"
February 29.5° 14.7° 22.1° 0.91" 7.2"
March 31.8° 15.2° 23.5° 0.76" 7.2"
April 44.5° 27.6° 36.0° 1.04" 4.4"
May 55.2° 36.1° 45.6° 1.44" 0.6"
June 62.1° 43.5° 52.8° 1.83" 0.0"
July 64.6° 48.9° 56.7° 2.46" 0.0"
August 63.3° 48.0° 55.7° 3.26" 0.0"
September 56.3° 41.0° 48.7° 3.40" 0.0"
October 43.8° 29.0° 36.4° 2.31" 2.5"
November 31.9° 18.2° 25.0° 1.72" 6.7"
December 25.7° 11.4° 18.6° 1.38" 10.2"
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
South Naknek CDP CDP 0.0 mi —
Naknek CDP CDP 9.5 mi —
King Salmon CDP CDP 16.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99670. • 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.