Moses Lake ZIP Code List — Grant County, WA

There is one unique ZIP code in Moses Lake, Washington and it is 98837. Area code: 509.

ZIP codes

486.20

sq mi land

32.63

sq mi water

509

area code

Moses Lake, WA ZIP code map

About Moses Lake, WA

Moses Lake is a vibrant city located in Grant County, Washington. It serves as a central hub for the region and is known for its scenic beauty and recreational opportunities. The city is situated near the large Moses Lake, which is a significant draw for both residents and visitors alike.

Location & geography

Moses Lake is positioned in central Washington, approximately 106 miles east of Seattle and about 100 miles northwest of Spokane. The city is surrounded by a diverse landscape comprising both expansive land and water, featuring a total land area of 486.20 square miles and a water area of 32.63 square miles. The terrain is characterized by its proximity to the Columbia Basin, making it an ideal location for agriculture and outdoor activities.

Community & economy

Moses Lake boasts a friendly and welcoming community, fostering a small-town atmosphere with access to modern amenities. The local economy thrives on agriculture, manufacturing, and a growing tourism sector, drawing visitors to its lakes and outdoor recreational activities. Daily life in Moses Lake is enriched by a variety of community events, festivals, and cultural activities that reflect its diverse heritage.

Transportation

The city is accessible via Interstate 90, which runs east-west through Washington and provides connections to major cities. The nearest airport is the Grant County International Airport, located just a few miles south of the city. Public transportation options are also available to help residents and visitors navigate the area.

History

Moses Lake was founded in the early 20th century and has since developed into an important agricultural and recreational center. Key industries in the area include agriculture, particularly in crop production, as well as manufacturing. Notable events in the city's history include the annual water ski tournament, which has gained recognition and draws participants from various locations.

Did you know?

One surprising fact about Moses Lake is that it hosts the Big Bend Community College, providing a range of educational opportunities for residents. Additionally, the city has a unique indoor water park that adds to its appeal as a family-friendly destination.

ZIP codes for Moses Lake, WA (1)

ZIP code	City	County	Map
98837	Moses Lake	Grant	View map

Demographics & statistics

46,959

Population

34.4

Median age

$66,883

Median household income

$32,152

Per capita income

$259,400

Median home value

$1,016

Median monthly rent

62.6%

Home ownership

13.9%

Poverty rate

6.0%

Unemployment

11,751

Housing units

20.5%

Bachelor's or higher

Age distribution

Male Female

1,698

Under 5

1,823

1,543

5–9

1,657

1,479

10–14

1,588

1,926

15–19

2,068

1,752

20–24

1,881

3,071

25–34

3,298

2,581

35–44

2,773

2,701

45–54

2,901

1,282

55–59

1,376

1,437

60–64

1,544

1,869

65–74

2,007

999

75–84

1,073

305

85+

327

← Male

Female →

Age summary

Group	Count	%
Under 18	12,397	26.4%
18 and over	34,562	73.6%
65 and over	6,580	14.0%
Median age	34.4 years

Race & ethnicity

White 57.2%

Hispanic or Latino 18.4%

Other race 11.5%

Two or more races 9.4%

Black or African American 1.6%

Asian 1.1%

American Indian / Alaska Native 0.8%

Group	Count	%
White	32,922	57.2%
Hispanic or Latino	10,591	18.4%
Other race	6,627	11.5%
Two or more races	5,396	9.4%
Black or African American	906	1.6%
Asian	632	1.1%
American Indian / Alaska Native	468	0.8%

Household income

Under $10k 5.3%

$10k–$15k 3.4%

$15k–$25k 8.4%

$25k–$35k 8.7%

$35k–$50k 13.1%

$50k–$75k 16.7%

$75k–$100k 14.4%

$100k–$150k 17.7%

$150k–$200k 5.1%

$200k+ 7.2%

Range	% of households
Under $10k	5.3%
$10k–$15k	3.4%
$15k–$25k	8.4%
$25k–$35k	8.7%
$35k–$50k	13.1%
$50k–$75k	16.7%
$75k–$100k	14.4%
$100k–$150k	17.7%
$150k–$200k	5.1%
$200k+	7.2%
Median income	$66,883

Housing

Home values

Under $50k 13.3%

$50k–$100k 3.3%

$100k–$150k 6.6%

$150k–$200k 7.4%

$200k–$300k 29.0%

$300k–$500k 26.4%

$500k–$1M 12.8%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$259,400
Median rent / month	$1,016
Owner occupied	62.6%
Renter occupied	37.4%
Vacant	6.2%
Single-family detached	59.8%
Large apartment buildings	7.8%
Mobile homes	18.2%
Median rooms	5.6
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.1%
2010–2019	12.5%
2000–2009	17.2%
1990–1999	17.3%
1980–1989	11.6%
1970–1979	15.5%
1960–1969	5.2%
1950–1959	16.5%
1940–1949	2.9%
1939 or earlier	1.3%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	6.6%
2 bedrooms	21.1%
3 bedrooms	48.0%
4 bedrooms	16.8%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	5.9%
1 vehicle	24.8%
2 vehicles	37.3%
3 or more	32.0%

Heating fuel

Fuel type	%
Utility gas	3.1%
Electricity	93.8%
Propane / LP gas	0.7%
Fuel oil	0.1%
Wood	1.5%
Solar	0.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	7,664	45.2%
Cohabiting couple	2,167	12.8%
Male householder, no spouse	2,798	16.5%
Female householder, no spouse	4,329	25.5%
Households with children under 18	5,567	32.8%
Households with seniors (65+)	4,801	28.3%
Average household size	2.73

Marital status

Status	Male	Female
Never married	38.0%	31.7%
Married	47.5%	43.5%
Separated	0.6%	2.9%
Widowed	3.2%	10.1%
Divorced	10.8%	11.8%

Education

Less than 9th grade 5.7%

Some HS, no diploma 7.3%

HS graduate 28.0%

Some college, no degree 27.1%

Associate's degree 11.4%

Bachelor's degree 14.9%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	87.0%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	708	5.7%
Kindergarten	693	5.6%
Elementary school	4,893	39.7%
High school	3,435	27.9%
College / grad school	2,586	21.0%

Employment

Industry of employment

Education & healthcare 23.4%

Manufacturing 16.7%

Agriculture & mining 9.7%

Retail trade 9.0%

Professional & management 6.9%

Construction 6.4%

Transportation & utilities 6.0%

Arts, food & hospitality 5.7%

Public administration 5.3%

Other services 4.2%

Finance & real estate 4.0%

Wholesale trade 2.2%

Information 0.6%

Occupation

Category	%
Management, business & arts	32.9%
Service	18.1%
Sales & office	15.9%
Natural resources & construction	14.7%
Production & transportation	18.4%

Employment type

Type	%
Private sector	71.4%
Government	21.1%
Self-employed	7.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.2%
Carpool	10.4%
Public transit	1.4%
Walk	2.1%
Other means	1.0%
Avg commute (minutes)	20.0

Poverty

All people 13.9%

Under 18 years 18.6%

18 and over 12.2%

Married-couple families 7.0%

Female-led households 19.4%

Income support

Source	% of households
Social Security	31.8%
Retirement income	19.9%
Supplemental Security	5.0%
Cash public assistance	3.0%
Food stamps / SNAP	18.2%

Health indicators

Condition	%
High blood pressure	31.8%
High cholesterol	34.8%
Heart disease	6.1%
Stroke	3.1%
Asthma	11.2%
Arthritis	22.8%
Kidney disease	3.0%
Pulmonary disease	6.7%
Cancer	6.1%

Behavior / access	%
Binge drinking	16.5%
No physical activity	22.0%
Less than 7 hrs sleep	29.7%
Fair or poor health	16.2%
Poor mental health	16.4%
Poor physical health	12.0%
No health insurance	15.8%
Visited doctor (checkup)	68.5%
Visited dentist	63.5%
Cholesterol screening	85.0%
Teeth loss	13.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,765	8.0%

Disability	%
Any disability	16.2%
Under 18	5.6%
18–64 years	13.9%
65 and over	46.8%

Health insurance coverage

Type	%
Private insurance	58.4%
Public insurance	43.6%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	43,438	92.5%
Spanish	3,758	8.7%
Other Indo-European	3,271	7.5%
Asian & Pacific Islander	347	0.8%
Other languages	140	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	42,141	89.7%
Born in same state	41,742	88.9%
Born in different state	28,398	60.5%
Foreign born	399	0.8%
Naturalized citizen	4,818	10.3%
Not a US citizen	1,608	33.4%

Ancestry

Ancestry	Count	%
French	5,232	11.1%
Italian	3,191	6.8%
Arab	2,181	4.6%
Polish	1,219	2.6%
English	503	1.1%

Ancestry	Count	%
Dutch	489	1%
German	304	0.6%
Irish	50	0.1%
Norwegian	3	0%

Technology access

Metric	% of households
Computer access	36.1%
Internet access	93.4%

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

Frequently asked questions

What is the ZIP code for Moses Lake, WA?

Moses Lake, WA has one ZIP code: 98837.

What is the main ZIP code for Moses Lake, WA?

The primary ZIP code for Moses Lake, WA is 98837. The city uses area code 509 for phone service.

What county is Moses Lake, WA in?

Moses Lake is located in Grant County, Washington.

How many ZIP codes are in Moses Lake, WA?

Moses Lake, WA has 1 ZIP code.

What ZIP code covers downtown Moses Lake and the area around the Moses Lake Business District?

Downtown Moses Lake and the Business District are located in ZIP code 98837, which serves as the primary commercial and civic center of the city.

What is the ZIP code for the Moses Lake airport area and surrounding industrial zones?

The Moses Lake Grant County Airport and adjacent industrial areas are serviced by ZIP code 98837, which covers most of the city's commercial and industrial infrastructure.