99022 ZIP Code — Medical Lake, WA

Spokane County, Washington

ZIP code 99022 is located in Medical Lake, Washington, within Spokane County. It covers approximately 68.34 square miles and serves a population of 9,012 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 509.

About ZIP code 99022

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $300,500. Owner-occupancy is high at 82%, well above the national average.

Median household income is $87,462. The poverty rate of 6% is below the national average. 35% 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. The average commute of 23 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%.

Overall, ZIP code 99022 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

9,012

population

68.34

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

99022 ZIP code map

Cities in ZIP code 99022

Below are the cities the US Postal Service accepts for ZIP code 99022. Using any city not on this list may result in mail delivery delays.

City	Status
Medical Lake	Acceptable
Medical Lake	Preferred

Nearby ZIP codes

99011 Fairchild Air Force Base (3 mi) 99001 Airway Heights (6.6 mi) 99224 Spokane (8.1 mi) 99029 Reardan (9.7 mi) 99008 Edwall (11 mi) 99205 Spokane (13.5 mi) 99004 Cheney (13.5 mi) 99201 Spokane (13.7 mi) 99204 Spokane (13.9 mi) 99260 Spokane (14.1 mi) 99256 Spokane (14.1 mi) 99258 Spokane (14.1 mi)

Demographics updated 06/2026

Population
Total population	9,012
Population density	132 / sq mi
State FIPS	53
County FIPS	063

Geography
Land area	68.34 sq mi
Water area	1.85 sq mi
Latitude	47.6089
Longitude	-117.7190
Timezone	Pacific (PT)
Area code	509

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.5%	41.6%	31.7%
$50k – $100k	43.8%	32.2%	30.6%
$100k – $200k	25.7%	20.8%	27.1%
Over $200k	2.1%	5.5%	10.6%

Demographics & statistics

9,012

Population

132

People per sq mi

40.6

Median age

$87,462

Median household income

$33,873

Per capita income

$300,500

Median home value

$738

Median monthly rent

82.3%

Home ownership

6.0%

Poverty rate

5.4%

Unemployment

2,747

Housing units

29.0%

Bachelor's or higher

Age distribution

Male Female

173

Under 5

154

208

5–9

186

276

10–14

246

415

15–19

370

162

20–24

145

816

25–34

726

651

35–44

580

698

45–54

621

297

55–59

265

354

60–64

316

351

65–74

313

320

75–84

285

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,814	20.1%
18 and over	7,198	79.9%
65 and over	1,353	15.0%
Median age	40.6 years

Race & ethnicity

White 81.9%

Hispanic or Latino 6.3%

Other race 3.8%

Two or more races 3.8%

Black or African American 2.2%

Asian 1.3%

American Indian / Alaska Native 0.6%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	7,882	81.9%
Hispanic or Latino	611	6.3%
Other race	366	3.8%
Two or more races	363	3.8%
Black or African American	210	2.2%
Asian	127	1.3%
American Indian / Alaska Native	57	0.6%
Native Hawaiian / Pacific Islander	7	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.5%	41.6%	31.7%
$50k – $100k	43.8%	32.2%	30.6%
$100k – $200k	25.7%	20.8%	27.1%
Over $200k	2.1%	5.5%	10.6%

Under $10k 0.4%

$10k–$15k 4.9%

$15k–$25k 2.3%

$25k–$35k 5.9%

$35k–$50k 11.2%

$50k–$75k 17.6%

$75k–$100k 13.6%

$100k–$150k 31.7%

$150k–$200k 10.2%

$200k+ 2.2%

Range	% of households
Under $10k	0.4%
$10k–$15k	4.9%
$15k–$25k	2.3%
$25k–$35k	5.9%
$35k–$50k	11.2%
$50k–$75k	17.6%
$75k–$100k	13.6%
$100k–$150k	31.7%
$150k–$200k	10.2%
$200k+	2.2%
Median income	$87,462

Housing

Home values

Under $50k 3.0%

$50k–$100k 0.3%

$100k–$150k 0.8%

$150k–$200k 9.1%

$200k–$300k 36.6%

$300k–$500k 36.9%

$500k–$1M 11.8%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$300,500
Median rent / month	$738
Owner occupied	82.3%
Renter occupied	17.7%
Vacant	3.4%
Single-family detached	73.0%
Large apartment buildings	7.5%
Mobile homes	11.2%
Median rooms	6.1
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	0.2%
2010–2019	5.4%
2000–2009	21.9%
1990–1999	22.3%
1980–1989	5.9%
1970–1979	24.4%
1960–1969	5.6%
1950–1959	6.9%
1940–1949	1.7%
1939 or earlier	5.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	6.9%
2 bedrooms	21.5%
3 bedrooms	46.1%
4 bedrooms	16.4%
5+ bedrooms	8.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.8%
1 vehicle	22.6%
2 vehicles	32.2%
3 or more	39.4%

Heating fuel

Fuel type	%
Utility gas	41.9%
Electricity	49.9%
Propane / LP gas	4.0%
Fuel oil	1.7%
Wood	2.6%

Households & families

Household type	Count	%
Married-couple family	1,969	61.5%
Cohabiting couple	157	4.9%
Male householder, no spouse	382	11.9%
Female householder, no spouse	693	21.6%
Households with children under 18	1,079	33.7%
Households with seniors (65+)	816	25.5%
Average household size	2.64

Marital status

Status	Male	Female
Never married	34.5%	25.3%
Married	52.6%	54.2%
Separated	0.8%	3.1%
Widowed	1.1%	3.5%
Divorced	11.0%	13.9%

Education

Less than 9th grade 2.6%

Some HS, no diploma 2.5%

HS graduate 28.8%

Some college, no degree 23.5%

Associate's degree 13.6%

Bachelor's degree 22.5%

Graduate / professional 6.5%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	29.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	3.6%
Kindergarten	71	4.0%
Elementary school	797	44.5%
High school	549	30.7%
College / grad school	309	17.3%

Employment

Industry of employment

Education & healthcare 29.0%

Retail trade 9.1%

Transportation & utilities 8.3%

Public administration 7.9%

Finance & real estate 7.3%

Professional & management 7.3%

Wholesale trade 6.3%

Arts, food & hospitality 5.9%

Information 5.7%

Other services 5.4%

Manufacturing 5.0%

Construction 2.4%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	41.9%
Service	17.2%
Sales & office	15.0%
Natural resources & construction	4.2%
Production & transportation	21.7%

Employment type

Type	%
Private sector	68.1%
Government	30.3%
Self-employed	1.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.2%
Carpool	5.8%
Public transit	3.9%
Walk	1.3%
Work from home	8.1%
Other means	0.7%
Avg commute (minutes)	23.2

Poverty

All people 6.0%

Under 18 years 3.3%

18 and over 6.7%

Married-couple families 0.0%

Female-led households 24.0%

Income support

Source	% of households
Social Security	34.5%
Retirement income	27.6%
Supplemental Security	7.0%
Cash public assistance	2.1%
Food stamps / SNAP	10.4%

Health indicators

Condition	%
Obesity	34.4%
High blood pressure	29.8%
High cholesterol	31.7%
Diabetes	9.1%
Heart disease	6.0%
Stroke	2.9%
Asthma	11.4%
Arthritis	27.2%
Kidney disease	2.8%
Pulmonary disease	6.8%
Cancer	6.4%

Behavior / access	%
Smoking	16.2%
Binge drinking	17.0%
No physical activity	19.3%
Less than 7 hrs sleep	32.2%
Depression	26.5%
Fair or poor health	14.3%
Poor mental health	16.1%
Poor physical health	11.3%
No health insurance	9.6%
Visited doctor (checkup)	70.1%
Visited dentist	66.5%
Cholesterol screening	87.5%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,209	17.1%

Disability	%
Any disability	19.4%
Under 18	8.3%
18–64 years	18.0%
65 and over	41.5%

Health insurance coverage

Type	%
Private insurance	70.2%
Public insurance	43.2%
No insurance	5.1%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,685	96.4%
Spanish	252	2.9%
Other Indo-European	43	0.5%
Asian & Pacific Islander	147	1.7%
Other languages	62	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,452	93.8%
Born in same state	8,343	92.6%
Born in different state	4,367	48.5%
Foreign born	109	1.2%
Naturalized citizen	560	6.2%
Not a US citizen	440	78.6%

Ancestry

Ancestry	Count	%
Italian	1,050	11.7%
Arab	886	9.8%
French	761	8.4%
English	272	3%

Ancestry	Count	%
Polish	199	2.2%
Dutch	33	0.4%
Norwegian	14	0.2%
German	12	0.1%

Technology access

Metric	% of households
Computer access	35.5%
Internet access	97.5%

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

Frequently asked questions about ZIP code 99022

What city is ZIP code 99022 in?

ZIP code 99022 is primarily assigned to Medical Lake, Washington.

What county is ZIP code 99022 in?

ZIP code 99022 falls within Spokane County, Washington.

Does ZIP code 99022 have a large veteran population?

17% of civilians in ZIP code 99022 are veterans, above the national average of ~7%.

Is ZIP code 99022 mostly owner-occupied?

82% of occupied units in ZIP code 99022 are owner-occupied, well above the national average.

What is the population of ZIP code 99022?

ZIP code 99022 has an estimated population of 9,012 residents, with a density of 132 people per square mile.

What is the typical home value in ZIP code 99022?

The median home value in ZIP code 99022 is $300,500.

What timezone is ZIP code 99022 in?

ZIP code 99022 observes the PST timezone.