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ZIP Code 99688, Alaska

ZIP Code 99688 profile, demographic data, and geographic information.

ZCTA5 99688 is a 5-digit ZIP Code area located in Matanuska-Susitna Borough, Alaska. As of official census estimates, it has a reported population of 2,739. The land area covers 1,677.34 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 2,739 ±425 2020-2024 / Census ACS 5-Year 2024
Median Age 45.5 yrs ±4.2 2020-2024 / Census ACS 5-Year 2024
Total Households 1,162 ±143 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 3,332 ±147
Occupied Housing Units 1,162 ±143
Vacant Housing Units 2,170 ±147
Median Home Value $297,000 ±$30,630
Median Gross Rent $1,375 ±$278
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,197 ±$13,600
Per Capita Income $43,673 ±$8,758
Poverty Rate 13% ±5.9%
Population Below Poverty Level 355 ±170
Unemployment Rate 8.3% ±5.4%
Civilian Labor Force, Employed 958 ±153
Broadband Internet Rate 82.8% ±5.6%
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: 117,613 (2024)
ID: 122698
County Official County Government
Contact: PLANNING GRANTS & PROJECTS COORDINAT
350 E DAHLIA AVE, PALMER AK 99645-6488

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
WILLOW PUBLIC LIBRARY
Library 17.2 mi away 23557 WEST WILLOW COMMUNITY CENTER, WILLOW, AK, 99688
(907) 495-7323
WASILLA PUBLIC LIBRARY
Library 21.9 mi away 500 N CRUSEY STREET, WASILLA, AK, 99654
(907) 376-5913
BIG LAKE PUBLIC LIBRARY
Library 24.3 mi away 3140 SOUTH BIG LAKE ROAD, BIG LAKE, AK, 99652
(907) 861-7635
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 ANDERSON LAKE, AK US, located 20.3 miles from ZCTA5 99688. 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° 10.9° 17.3° 0.73" 10.9"
February 28.8° 14.3° 21.5° 0.87" 9.0"
March 33.8° 18.5° 26.1° 0.64" 8.7"
April 46.5° 28.9° 37.7° 0.38" 2.3"
May 58.3° 37.3° 47.8° 1.12" 0.3"
June 64.0° 44.8° 54.4° 1.75" 0.0"
July 66.8° 49.7° 58.2° 2.59" 0.0"
August 63.6° 47.0° 55.3° 3.44" 0.0"
September 54.6° 39.5° 47.1° 2.86" 0.1"
October 42.4° 29.0° 35.7° 1.84" 4.4"
November 29.7° 16.7° 23.2° 1.15" 11.3"
December 25.3° 13.6° 19.4° 1.46" 15.0"
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
Willow CDP CDP 0.0 mi —
Fishhook CDP CDP 15.4 mi —
Tanaina CDP CDP 17.1 mi —
Meadow Lakes CDP CDP 17.2 mi —
Susitna North CDP CDP 18.5 mi —
Houston city City 19.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99688. • 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.