99688 ZIP Code — Willow, AK

Matanuska Susitna County, Alaska

ZIP code 99688 is located in Willow, Alaska, within Matanuska Susitna County. It covers approximately 1,677.35 square miles and serves a population of 2,782 residents. This is a standard ZIP code in the Alaska (AKT) timezone, served by area code 907.

About ZIP code 99688

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 $232,700. Owner-occupancy is high at 89%, well above the national average.

Median household income is $61,089. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 55 minutes suggests many residents work outside the immediate area.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks. 16% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 99688 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

2,782

population

1,677.35

sq mi land

Standard

ZIP type

Alaska (AKT)

timezone

99688 ZIP code map

Cities in ZIP code 99688

Below are the cities the US Postal Service accepts for ZIP code 99688. Using any city not on this list may result in mail delivery delays.

City	Status
Willow	Preferred

Nearby ZIP codes

99623 Wasilla (15.4 mi)

Demographics updated 06/2026

Population
Total population	2,782
Population density	2,782 / sq mi
State FIPS	02
County FIPS	170

Geography
Land area	1,677.35 sq mi
Water area	10.24 sq mi
Latitude	61.6119
Longitude	-150.3144
Timezone	Alaska (AKT)
Area code	907

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.7%	32.7%	29.8%
$50k – $100k	28.9%	29.9%	32.4%
$100k – $200k	15.3%	29.3%	28.9%
Over $200k	4.1%	8.1%	8.8%

Demographics & statistics

2,782

Population

2,782

People per sq mi

46.9

Median age

$61,089

Median household income

$33,059

Per capita income

$232,700

Median home value

$1,151

Median monthly rent

89.4%

Home ownership

15.6%

Poverty rate

12.7%

Unemployment

3,036

Housing units

20.5%

Bachelor's or higher

Age distribution

Male Female

115

Under 5

105

5–9

10–14

15–19

20–24

133

25–34

121

147

35–44

133

183

45–54

166

129

55–59

117

152

60–64

137

222

65–74

202

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	625	22.5%
18 and over	2,157	77.5%
65 and over	602	21.6%
Median age	46.9 years

Race & ethnicity

White 85%

Two or more races 9.8%

American Indian / Alaska Native 4.7%

Asian 0.4%

Hispanic or Latino 0.1%

Group	Count	%
White	2,368	85%
Two or more races	273	9.8%
American Indian / Alaska Native	131	4.7%
Asian	10	0.4%
Hispanic or Latino	4	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.7%	32.7%	29.8%
$50k – $100k	28.9%	29.9%	32.4%
$100k – $200k	15.3%	29.3%	28.9%
Over $200k	4.1%	8.1%	8.8%

Under $10k 6.7%

$10k–$15k 4.3%

$15k–$25k 10.0%

$25k–$35k 7.4%

$35k–$50k 15.6%

$50k–$75k 16.9%

$75k–$100k 12.8%

$100k–$150k 17.4%

$150k–$200k 4.4%

$200k+ 4.5%

Range	% of households
Under $10k	6.7%
$10k–$15k	4.3%
$15k–$25k	10.0%
$25k–$35k	7.4%
$35k–$50k	15.6%
$50k–$75k	16.9%
$75k–$100k	12.8%
$100k–$150k	17.4%
$150k–$200k	4.4%
$200k+	4.5%
Median income	$61,089

Housing

Home values

Under $50k 8.6%

$50k–$100k 9.2%

$100k–$150k 9.4%

$150k–$200k 13.3%

$200k–$300k 25.6%

$300k–$500k 28.3%

$500k–$1M 5.7%

Housing overview

Metric	Value
Median home value	$232,700
Median rent / month	$1,151
Owner occupied	89.4%
Renter occupied	10.6%
Vacant	61.6%
Single-family detached	97.6%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	2.8
Avg household size (owned)	2.33

Year built

Era	%
2020 or later	0.7%
2010–2019	12.2%
2000–2009	28.1%
1990–1999	22.5%
1980–1989	15.1%
1970–1979	14.9%
1960–1969	5.7%
1950–1959	0.7%
1940–1949	0.1%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	18.9%
1 bedroom	32.4%
2 bedrooms	25.4%
3 bedrooms	19.1%
4 bedrooms	3.3%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	32.3%
2 vehicles	35.6%
3 or more	28.6%

Heating fuel

Fuel type	%
Utility gas	1.6%
Electricity	2.1%
Propane / LP gas	1.1%
Fuel oil	62.8%
Wood	30.7%
Solar	0.5%

Households & families

Household type	Count	%
Married-couple family	569	46.8%
Cohabiting couple	133	10.9%
Male householder, no spouse	333	27.4%
Female householder, no spouse	180	14.8%
Households with children under 18	316	26.0%
Households with seniors (65+)	420	34.6%
Average household size	2.29

Marital status

Status	Male	Female
Never married	19.4%	24.0%
Married	51.6%	57.1%
Separated	2.4%	0.2%
Widowed	5.5%	8.6%
Divorced	21.1%	10.0%

Education

Less than 9th grade 2.3%

Some HS, no diploma 4.6%

HS graduate 35.1%

Some college, no degree 29.0%

Associate's degree 8.5%

Bachelor's degree 14.9%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	77	15.0%
Kindergarten	36	7.0%
Elementary school	225	43.7%
High school	139	27.0%
College / grad school	38	7.4%

Employment

Industry of employment

Education & healthcare 19.3%

Retail trade 17.3%

Arts, food & hospitality 10.8%

Construction 10.3%

Professional & management 8.7%

Agriculture & mining 7.8%

Transportation & utilities 6.2%

Other services 5.4%

Wholesale trade 4.5%

Finance & real estate 3.3%

Manufacturing 3.2%

Public administration 3.1%

Occupation

Category	%
Management, business & arts	31.9%
Service	16.3%
Sales & office	20.3%
Natural resources & construction	20.2%
Production & transportation	11.2%

Employment type

Type	%
Private sector	75.8%
Government	12.8%
Self-employed	11.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	66.7%
Carpool	4.1%
Public transit	0.0%
Walk	3.0%
Work from home	15.6%
Other means	10.6%
Avg commute (minutes)	54.9

Poverty

All people 15.6%

Under 18 years 19.0%

18 and over 14.6%

Married-couple families 7.6%

Female-led households 22.1%

Income support

Source	% of households
Social Security	41.4%
Retirement income	30.3%
Supplemental Security	9.5%
Cash public assistance	4.7%
Food stamps / SNAP	10.8%

Health indicators

Condition	%
Obesity	35.5%
High blood pressure	37.6%
High cholesterol	36.8%
Diabetes	10.3%
Heart disease	7.2%
Stroke	3.4%
Asthma	9.7%
Arthritis	27.6%
Kidney disease	3.1%
Pulmonary disease	7.6%
Cancer	7.1%

Behavior / access	%
Smoking	20.4%
Binge drinking	17.1%
No physical activity	24.6%
Less than 7 hrs sleep	32.2%
Depression	18.5%
Fair or poor health	14.7%
Poor mental health	12.2%
Poor physical health	11.2%
No health insurance	14.0%
Visited doctor (checkup)	66.6%
Visited dentist	59.2%
Cholesterol screening	89.4%
Teeth loss	15.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	291	13.5%

Disability	%
Any disability	15.1%
Under 18	1.9%
18–64 years	15.1%
65 and over	28.7%

Health insurance coverage

Type	%
Private insurance	44.4%
Public insurance	52.5%
No insurance	16.3%
Uninsured under 19	5.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,562	92.1%
Spanish	5	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,716	97.6%
Born in same state	2,685	96.5%
Born in different state	1,029	37.0%
Foreign born	31	1.1%
Naturalized citizen	66	2.4%
Not a US citizen	39	59.1%

Ancestry

Ancestry	Count	%
Italian	268	9.6%
French	206	7.4%
Polish	127	4.6%
Arab	46	1.7%

Ancestry	Count	%
English	31	1.1%
Dutch	21	0.8%
German	16	0.6%
Norwegian	6	0.2%

Technology access

Metric	% of households
Computer access	43.7%
Internet access	91.4%

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

Frequently asked questions about ZIP code 99688

What city is ZIP code 99688 in?

ZIP code 99688 is primarily assigned to Willow, Alaska.

What county is ZIP code 99688 in?

ZIP code 99688 falls within Matanuska Susitna County, Alaska.

Is ZIP code 99688 mostly owner-occupied?

89% of occupied units in ZIP code 99688 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 99688?

16% of residents in ZIP code 99688 live below the poverty line, above the national average.

Does ZIP code 99688 have a large retiree population?

41% of households in ZIP code 99688 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 99688 have a large veteran population?

14% of civilians in ZIP code 99688 are veterans, above the national average of ~7%.

What timezone is ZIP code 99688 in?

ZIP code 99688 observes the AKST timezone.