99623 ZIP Code — Wasilla, AK

Matanuska Susitna County, Alaska

ZIP code 99623 is located in Wasilla, Alaska, within Matanuska Susitna County. It covers approximately 258.47 square miles and serves a population of 22,466 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

About ZIP code 99623

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $279,100. Owner-occupancy is high at 81%, well above the national average.

Median household income is $87,247.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 42 minutes suggests many residents work outside the immediate area.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

15% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 99623 reflects a community defined by a trades-oriented workforce, a strong veteran community, and high homeownership.

22,466

population

258.47

sq mi land

Standard

ZIP type

Alaska (AKT)

timezone

99623 ZIP code map

Cities in ZIP code 99623

Below are the cities the US Postal Service accepts for ZIP code 99623. Using any city not on this list may result in mail delivery delays.

City	Status
Wasilla	Acceptable
Wasilla	Acceptable
Wasilla	Preferred

Nearby ZIP codes

99654 Wasilla (5.2 mi) 99688 Willow (15.4 mi) 99506 Jber (19.3 mi)

Demographics updated 06/2026

Population
Total population	22,466
Population density	87 / sq mi
State FIPS	02
County FIPS	170

Geography
Land area	258.47 sq mi
Water area	8.54 sq mi
Latitude	61.5529
Longitude	-149.8627
Timezone	Alaska (AKT)
Area code	907

Total population by age

Gender

Race & ethnicity

Demographics & statistics

22,466

Population

People per sq mi

35.2

Median age

$87,247

Median household income

$35,599

Per capita income

$279,100

Median home value

$1,489

Median monthly rent

80.6%

Home ownership

12.1%

Poverty rate

6.1%

Unemployment

7,473

Housing units

17.1%

Bachelor's or higher

Age distribution

Male Female

737

Under 5

628

1,003

5–9

853

991

10–14

843

861

15–19

733

636

20–24

542

1,814

25–34

1,543

1,729

35–44

1,472

1,568

45–54

1,335

704

55–59

599

767

60–64

652

892

65–74

759

346

75–84

295

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	6,146	27.4%
18 and over	16,320	72.6%
65 and over	2,456	10.9%
Median age	35.2 years

Race & ethnicity

White 75%

Two or more races 8.1%

American Indian / Alaska Native 8%

Hispanic or Latino 3.3%

Asian 2.8%

Black or African American 1.3%

Other race 1.1%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	17,433	75%
Two or more races	1,881	8.1%
American Indian / Alaska Native	1,867	8%
Hispanic or Latino	774	3.3%
Asian	652	2.8%
Black or African American	303	1.3%
Other race	254	1.1%
Native Hawaiian / Pacific Islander	76	0.3%

Household income

Under $10k 4.4%

$10k–$15k 2.8%

$15k–$25k 5.0%

$25k–$35k 5.8%

$35k–$50k 7.8%

$50k–$75k 16.8%

$75k–$100k 15.8%

$100k–$150k 20.6%

$150k–$200k 10.1%

$200k+ 11.0%

Range	% of households
Under $10k	4.4%
$10k–$15k	2.8%
$15k–$25k	5.0%
$25k–$35k	5.8%
$35k–$50k	7.8%
$50k–$75k	16.8%
$75k–$100k	15.8%
$100k–$150k	20.6%
$150k–$200k	10.1%
$200k+	11.0%
Median income	$87,247

Housing

Home values

Under $50k 4.2%

$50k–$100k 2.6%

$100k–$150k 4.3%

$150k–$200k 9.7%

$200k–$300k 38.3%

$300k–$500k 31.5%

$500k–$1M 9.0%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$279,100
Median rent / month	$1,489
Owner occupied	80.6%
Renter occupied	19.4%
Vacant	15.4%
Single-family detached	86.6%
Large apartment buildings	0.2%
Mobile homes	3.5%
Median rooms	4.8
Avg household size (owned)	2.81

Year built

Era	%
2020 or later	0.8%
2010–2019	18.5%
2000–2009	38.2%
1990–1999	13.4%
1980–1989	18.1%
1970–1979	7.1%
1960–1969	3.1%
1950–1959	0.6%
1940–1949	0.1%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	10.0%
2 bedrooms	20.7%
3 bedrooms	47.6%
4 bedrooms	15.0%
5+ bedrooms	3.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	22.1%
2 vehicles	38.7%
3 or more	37.9%

Heating fuel

Fuel type	%
Utility gas	70.8%
Electricity	5.0%
Propane / LP gas	1.3%
Fuel oil	13.4%
Wood	8.2%

Households & families

Household type	Count	%
Married-couple family	4,401	58.1%
Cohabiting couple	733	9.7%
Male householder, no spouse	1,409	18.6%
Female householder, no spouse	1,028	13.6%
Households with children under 18	3,034	40.1%
Households with seniors (65+)	1,737	22.9%
Average household size	2.80

Marital status

Status	Male	Female
Never married	36.0%	24.7%
Married	49.2%	58.5%
Separated	1.6%	2.0%
Widowed	1.9%	4.4%
Divorced	11.3%	10.5%

Education

Less than 9th grade 2.3%

Some HS, no diploma 5.9%

HS graduate 38.6%

Some college, no degree 24.8%

Associate's degree 11.3%

Bachelor's degree 11.1%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	91.8%
Bachelor's or higher	17.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	272	4.9%
Kindergarten	306	5.5%
Elementary school	2,788	50.5%
High school	1,364	24.7%
College / grad school	792	14.3%

Employment

Industry of employment

Education & healthcare 22.7%

Construction 15.6%

Retail trade 10.6%

Public administration 9.1%

Arts, food & hospitality 7.8%

Transportation & utilities 7.1%

Professional & management 6.7%

Agriculture & mining 6.3%

Other services 4.5%

Manufacturing 3.7%

Finance & real estate 2.8%

Wholesale trade 1.7%

Information 1.4%

Occupation

Category	%
Management, business & arts	34.6%
Service	16.6%
Sales & office	17.5%
Natural resources & construction	20.6%
Production & transportation	10.8%

Employment type

Type	%
Private sector	73.0%
Government	18.7%
Self-employed	8.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.5%
Carpool	8.6%
Public transit	0.8%
Walk	0.6%
Work from home	7.5%
Other means	8.0%
Avg commute (minutes)	41.7

Poverty

All people 12.1%

Under 18 years 16.6%

18 and over 10.3%

Married-couple families 4.3%

Female-led households 34.8%

Income support

Source	% of households
Social Security	21.8%
Retirement income	24.0%
Supplemental Security	5.1%
Cash public assistance	5.2%
Food stamps / SNAP	8.1%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,458	15.2%

Disability	%
Any disability	15.5%
Under 18	6.9%
18–64 years	15.8%
65 and over	36.2%

Health insurance coverage

Type	%
Private insurance	61.7%
Public insurance	37.7%
No insurance	15.2%
Uninsured under 19	13.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,101	93.9%
Spanish	394	1.9%
Other Indo-European	97	0.5%
Asian & Pacific Islander	154	0.7%
Other languages	116	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,773	96.9%
Born in same state	21,378	95.2%
Born in different state	9,585	42.7%
Foreign born	395	1.8%
Naturalized citizen	693	3.1%
Not a US citizen	448	64.6%

Ancestry

Ancestry	Count	%
Italian	2,535	11.3%
Arab	1,926	8.6%
French	1,818	8.1%
Polish	716	3.2%
English	325	1.4%

Ancestry	Count	%
Dutch	173	0.8%
German	80	0.4%
Irish	77	0.3%
Norwegian	21	0.1%

Technology access

Metric	% of households
Computer access	33.7%
Internet access	96.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 99623

What city is ZIP code 99623 in?

ZIP code 99623 is primarily assigned to Wasilla, Alaska.

What county is ZIP code 99623 in?

ZIP code 99623 falls within Matanuska Susitna County, Alaska.

Is ZIP code 99623 mostly owner-occupied?

81% of occupied units in ZIP code 99623 are owner-occupied, well above the national average.

Does ZIP code 99623 have a large veteran population?

15% of civilians in ZIP code 99623 are veterans, above the national average of ~7%.

What is the population of ZIP code 99623?

ZIP code 99623 has an estimated population of 22,466 residents, with a density of 87 people per square mile.

What is the typical home value in ZIP code 99623?

The median home value in ZIP code 99623 is $279,100.

What timezone is ZIP code 99623 in?

ZIP code 99623 observes the AKST timezone.