ZIP Code 99623, Alaska
ZIP Code 99623 profile, demographic data, and geographic information.
ZCTA5 99623 is a 5-digit ZIP Code area located in Matanuska-Susitna Borough, Alaska. As of official census estimates, it has a reported population of 23,424. The land area covers 258.58 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 23,424 | ±1,139 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 34.9 yrs | ±1.8 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 7,701 | ±299 | 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 | 9,116 | ±301 |
| Occupied Housing Units | 7,701 | ±299 |
| Vacant Housing Units | 1,415 | ±196 |
| Median Home Value | $326,000 | ±$10,930 |
| Median Gross Rent | $1,601 | ±$136 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $88,799 | ±$6,578 |
| Per Capita Income | $36,771 | ±$2,390 |
| Poverty Rate | 11.2% | ±2.4% |
| Population Below Poverty Level | 2,455 | ±550 |
| Unemployment Rate | 5.5% | ±1.6% |
| Civilian Labor Force, Employed | 9,257 | ±652 |
| Broadband Internet Rate | 92.2% | ±1.1% |
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
Listing 3 local institutions (NCES 2023-2024)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| 4 Nearby | 2-17 | EAGLE RIVER, AK | |
| 6 Nearby | 2-13 | EAGLE RIVER, AK | |
| 7 Nearby | 3-17 | EAGLE RIVER, AK |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Charter College
|
College | 17.2 mi away | 2221 East Norhtern Lights Boulevard, Suite 120, Anchorage, AK, 99508-4103 |
9072271000
|
|
BIG LAKE PUBLIC LIBRARY
|
Library | 8.4 mi away | 3140 SOUTH BIG LAKE ROAD, BIG LAKE, AK, 99652 |
(907) 861-7635
|
|
University of Alaska Anchorage
|
College | 17.7 mi away | 3211 Providence Drive, Anchorage, AK, 99508 |
9077861800
|
|
CHUGIAK-EAGLE RIVER LIBRARY
|
Library | 14.4 mi away | 12001 BUSINESS BOULEVARD #176, EAGLE RIVER, AK, 99577 |
(907) 343-1530
|
|
Alaska Pacific University
|
College | 17.8 mi away | 4101 University Drive, Anchorage, AK, 99508 |
9075611266
|
|
MOUNTAIN VIEW LIBRARY
|
Library | 15.6 mi away | 120 SOUTH BRAGAW STREET, ANCHORAGE, AK, 99508 |
(907) 343-2819
|
|
Alaska Career College
|
College | 18.1 mi away | 1415 E Tudor Road, Anchorage, AK, 99507-1033 |
9075637575
|
|
MULDOON LIBRARY
|
Library | 17.3 mi away | 1251 MULDOON ROAD, SUITE 158, ANCHORAGE, AK, 99504 |
(907) 343-4223
|
|
Z. J. LOUSSAC LIBRARY
|
Library | 17.6 mi away | 3600 DENALI STREET, ANCHORAGE, AK, 99503 |
(907) 343-2892
|
|
WASILLA PUBLIC LIBRARY
|
Library | 19.4 mi away | 500 N CRUSEY STREET, WASILLA, AK, 99654 |
(907) 376-5913
|
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 EAGLE RVR GAKONA CIRCLE, AK US, located 15.5 miles from ZCTA5 99623. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 20.3° | 9.2° | 14.7° | 0.97" | 12.5" |
| February | 26.9° | 13.4° | 20.1° | 1.13" | 11.7" |
| March | 33.4° | 16.4° | 24.9° | 0.85" | 8.9" |
| April | 46.2° | 28.8° | 37.5° | 0.55" | 4.5" |
| May | 58.0° | 38.0° | 48.0° | 0.90" | 0.4" |
| June | 64.4° | 45.8° | 55.1° | 1.14" | 0.0" |
| July | 66.7° | 50.3° | 58.5° | 2.09" | 0.0" |
| August | 63.2° | 48.0° | 55.6° | 2.82" | 0.0" |
| September | 53.5° | 40.4° | 46.9° | 2.67" | 0.4" |
| October | 39.9° | 28.4° | 34.1° | 1.74" | 3.5" |
| November | 25.5° | 15.7° | 20.6° | 1.58" | 12.3" |
| December | 22.0° | 11.6° | 16.8° | 1.23" | 16.3" |
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 |
|---|---|---|---|
| Big Lake CDP | CDP | 5.3 mi | — |
| Point MacKenzie CDP | CDP | 6.3 mi | — |
| Knik-Fairview CDP | CDP | 11.4 mi | — |
| Houston city | City | 12.9 mi | — |
| Meadow Lakes CDP | CDP | 17.4 mi | — |
| Wasilla city | City | 17.9 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 99623. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.