ZIP Code 99623 in Wasilla, AK

Data Last Updated: October 1, 2025
City:Wasilla, Alaska
City Alias:Big Lake, Houston, Meadow Lake
Borough:Matanuska Susitna Borough
Timezone:Alaska (GMT -09:00)
Local Time:9:09:41 PM
Population:23,878 [See All]
Area Code:907
Classification:Standard [Normal Street Delivery]
Coordinates:61.5529, -149.8627
Land Area:258.578 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/99623/zip-code-99623.asp

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state.
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Population & Demographics


ZIP Code 99623 has 23,878 residents and 7,812 households (average 2.86 persons per household). The median age is 34.3 years, slightly younger than the state (35.6) and younger than the nation (38.8). The gender split is 54.9% male and 45.1% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (73.7%, much higher than the state average of 59.4% and well above the national average of 61.6%) and American Indian & Alaska Native (8.7%, much higher than the national average of 1.1%); Hispanic or Latino residents make up 5.2%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:23,878Source: Census DHC
2023 ACS Population Estimate:22,786Source: Census ACS
2025 ZC Population Estimate:15,852Source: ZIP-Codes.com
Population Density:92.3 people per sq mile
Average Income:$87,606Source: Census ACS
Households:7,812Source: Census DHC
Average House Value:$294,800Source: Census ACS
Persons Per Household:2.86Source: Census DHC
Average Family Size:2.88Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--000000000021,51022,46622,786
Decennial Census0------------------23,878------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 34.3

Male Median Age: 34.9

Female Median Age: 33.3

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male9289561,0398677549251,1101,1028608657418217496024052239957
Female8599479417065878058027826816486076216664972901828470
Total1,7871,9031,9801,5731,3411,7301,9121,8841,5411,5131,3481,4421,4151,099695405183127
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:17,59979.12%
Black:3641.64%
Hispanic:*1,2475.61%
Asian:4111.85%
American Indian:2,0779.34%
Hawaiian:1400.63%
Other:4061.83%
Total:22,244100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:13,10354.87%34.9 years
Females:10,77545.13%33.3 years
Total:23,878100%34.3 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:21,73795.40%
Native, born in PR, Island Areas, or abroad:4552.00%
Foreign born, naturalized U.S. citizen:4321.90%
Foreign born, not a U.S. citizen:1622.61%
Total Population:22,786100%
Total Native Population:22,19297.39%
Total Foreign-born Population:5942.61%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $87,606, which is far above the national median ($78,538), and above its 2019 pre-pandemic level by $87,606. Family households earn a median of $98,425 versus $51,798 for nonfamily households (a difference of $46,627). By gender, male median income is $67,594 and female is $55,294, which is much lower than the state female median ($60,325), with a current gap of $12,300 that has widened from 2011 to 2023. The labor-force participation rate is 56.4%, which is much lower than the state rate (66.4%). The unemployment rate is 4.9%, which is slightly lower than the state rate (5.4%). The largest occupation group is Management (34.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$0$0$0$0$0$0$0$0$0$0$82,188$87,247$87,606
Median Family Income$0$0$0$0$0$0$0$0$0$0$96,250$95,763$98,425
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$38,659$52,500$51,798
Median Male Income$0$0$0$0$0$0$0$0$0$0$68,588$71,262$67,594
Median Female Income$0$0$0$0$0$0$0$0$0$0$50,667$54,916$55,294
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:9,10652.74%
Unemployed:4822.79%
Not In Labor Force:7,67944.47%
Total:17,267100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:3,11134.16%
Service:1,52116.70%
Sales and Office:1,55217.04%
Natural resources, construction, and maintenance:1,73619.06%
Production, transportation, and material moving:1,18613.02%
Total Civilian Employed Population:9,106100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $294,800, which is generally lower than the state median ($333,300), and above its 2019 pre-pandemic level by $294,800. The median gross rent is $1,558, which is much higher than the national median ($1,348), and above its 2019 pre-pandemic level by $1,558. Of occupied housing, owners make up 80.83% (66.21% with a mortgage, 33.79% free-and-clear) and renters 19.17% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 15.07%, which is considerably higher than the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$0$0$0$0$0$0$0$0$0$0$243,800$279,100$294,800
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:80.54%
$500 to $999:20914.13%
$1,000 to $1,499:40427.32%
$1,500 to $1,999:46331.30%
$2,000 to $2,499:20513.86%
$2,500 to $2,999:412.77%
$3,000 or more:191.28%
No Rent:1308.79%
Total:1,479100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$0$0$0$0$0$0$0$0$0$0$1,285$1,489$1,558
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):4,12953.52%
Owner Occupied (free and clear, no mortgage):2,10727.31%
Renter Occupied:1,47919.17%
Total Occupied Housing Units:7,715100%

Occupied Housing Units:7,71584.93%
Vacant Housing Units (not graphed):1,36915.07%
Total Housing Units:9,084100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:7,92987.29%
Multi-Family Units:8158.97%
Other Units:3403.74%
Total Housing Units:9,084100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 17.30% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 92.20%, which is well above the national rate (89.40%). The uninsured rate is 14.60%, which is far higher than the national rate (8.60%). The share of people in poverty is 8.20%, which is on par with the state rate (6.80%), up 8.20 percentage points since 2011 and above its 2019 pre-pandemic level by 8.20 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is elementary (49.75%). College enrollment is 16.07%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:2961.97%
9th to 12th grade, no diploma:8725.80%
High school graduate (includes equivalency):5,84938.93%
Some college, no degree:3,59723.94%
Associate's degree:1,81112.05%
Bachelor's degree:1,68611.22%
Graduate or professional degree:9146.08%
Total:15,025100%
High school or higher:13,85792.23%
Bachelor's degree or higher:2,60017.30%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:12,83052.58%
Public Insurance:8,46134.67%
No Insurance:3,11212.75%
Total:24,403100%
Has Health Insurance:21,29187.25%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%6.6%8.0%8.2%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:2925.26%
Kindergarten:3045.48%
Elementary school (grades 1-8):2,76149.75%
High school (grades 9-12):1,30123.44%
College or graduate school:89216.07%
Total:5,550100%
Early Childhood:59610.74%
K-12 (Primary & Secondary School):4,36678.67%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 99623 supports both business and residential activity. According to the Business Census (2023), there are 281 business establishments, employing about 1,281 people with an annual payroll of $66,173,000. USPS data shows 5,543 residential mailboxes and 56 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:5,543Source: USPS
# Business Mailboxes:56Source: USPS
Total Delivery Receptacles:5,566Source: USPS
Single Family Delivery Units:1,727Source: USPS
Multi Family Delivery Units:3Source: USPS
# of Businesses:281Source: CBP
1st Quarter Payroll:$13,523,000Source: CBP
Annual Payroll:$66,173,000Source: CBP
# of Employees:1,281Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 99623 is located in Matanuska Susitna Borough, Alaska, within the Anchorage, AK Metropolitan Statistical Area (CBSA 11260) and Alaska's 0th Congressional District. This Metro area has a population of 399,746 people, about 5.97% of whom live in ZIP Code 99623. It covers 258.578 sq mi of land and a water area of 8.442 sq mi.

CBSA Name:Anchorage, AKSource: Census
CBSA Number:11260Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:399,746Source: Census
MSA:Source: Census
Land Area:258.578 sq miSource: Census
Water Area:8.442 sq miSource: Census
Congressional District:00Source: USPS
Congressional Land Area:571951.26 sq miSource: Census
PMSA:Source: Census
Intro Date:2011-06Source: ZIP-Codes.com
Place FIPS Code:0283080Source: Census
Place Name:Wasilla city; AlaskaSource: Census

Adjacent & Nearby ZIP Codes


99624 | | 99622

Schools in ZIP Code 99623


ZIP Code 99623 is in the Matanuska-Susitna Borough School District, which serves grades Pre-Kindergarten thru 12th. There are 2 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Joe Redington Senior Jr/Sr High School 10015 W Redington School Rd
Wasilla, AK 99623
District: Matanuska-Susitna Borough School District
Dena?ina Elementary School 7068 S Knik Knack Mud Shack Road
Wasilla, AK 99623
District: Matanuska-Susitna Borough School District
Birchwood Christian School 22208 Birchwood Loop Rd
Chugiak, AK 99567
District: Private SchoolNearby
St John Orthodox Christian School 18940 Monastery Dr
Eagle River, AK 99577
District: Private SchoolNearby
World Harvest Christian School 10440 Eagle View Dr
Eagle River, AK 99577
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 99623


Alaska Bible College 248 E Elmwood Ave
Palmer, AK 99645
Type: Post Secondary
Alaska Pacific University 4101 University Dr
Anchorage, AK 99508
Type: Post Secondary
University Of Alaska Anchorage 3211 Providence Drive
Anchorage, AK 99508
Type: Post Secondary
Alaska Career College 1415 E Tudor Road
Anchorage, AK 99507-1033
Type: Post Secondary
Alaska Christian College 35109 Royal Place
Soldotna, AK 99669
Type: Post Secondary
Alaska Vocational Technical Center Po Box 889
Seward, AK 99664-0889
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov