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ZIP Code 99631, Alaska

ZIP Code 99631 profile, demographic data, and geographic information.

ZCTA5 99631 is a 5-digit ZIP Code area located in Kenai Peninsula Borough, Alaska. As of official census estimates, it has a reported population of 222. The land area covers 436.62 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 222 ±149 2020-2024 / Census ACS 5-Year 2024
Median Age 30.7 yrs ±22.7 2020-2024 / Census ACS 5-Year 2024
Total Households 63 ±40 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 184 ±92
Occupied Housing Units 63 ±40
Vacant Housing Units 121 ±85
Median Home Value $364,800 ±$40,708
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 Suppressed —
Per Capita Income $43,678 ±$9,418
Poverty Rate 0% ±4.5%
Population Below Poverty Level 0 ±10
Unemployment Rate 0.6% ±5%
Civilian Labor Force, Employed 180 ±131
Broadband Internet Rate 98.4% ±27.5%
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: 61,259 (2024)
ID: 160739
County Official County Government
Contact: FINANCE DIRECTOR
144 N BINKLEY ST, SOLDOTNA AK 99669-7520

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
COOPER LANDING COMMUNITY LIBRARY
Library 6.8 mi away 18511 BEAN CREEK ROAD, COOPER LANDING, AK, 99572
(907) 595-1241
MOOSE PASS PUBLIC LIBRARY
Library 13.2 mi away 33675 DEPOT ROAD, MOOSE PASS, AK, 99631
(907) 288-3111
HOPE COMMUNITY LIBRARY
Library 23.8 mi away 18487 A AVENUE, HOPE, AK, 99605
(907) 782-3121
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 MOOSE PASS 3NW, AK US, located 11.1 miles from ZCTA5 99631. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 23.7° 8.7° 16.2° 3.46" —
February 28.8° 12.9° 20.9° 5.25" —
March 34.5° 14.2° 24.4° 2.16" —
April 44.8° 26.5° 35.7° 2.27" —
May 55.1° 34.0° 44.6° 2.10" —
June 63.3° 42.0° 52.6° 1.74" —
July 65.6° 46.8° 56.2° 2.43" —
August 63.7° 44.8° 54.2° 3.76" —
September 54.8° 37.7° 46.2° 6.04" —
October 41.6° 27.4° 34.5° 5.41" —
November 30.1° 17.4° 23.7° 4.23" —
December 26.9° 12.1° 19.5° 3.35" —
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
Cooper Landing CDP CDP 7.2 mi —
Moose Pass CDP CDP 9.7 mi —
Crown Point CDP CDP 16.1 mi —
Hope CDP CDP 21.6 mi —
Primrose CDP CDP 21.6 mi —
Sunrise CDP CDP 21.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99631. • 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.