ZipCodesToGo
Washington ZIP Codes
Grant County
Moses Lake, WA
98837
98837 ZIP Code — Moses Lake, WA
Grant County, Washington
ZIP code 98837 is located in
Moses Lake ,
Washington ,
within Grant County .
It covers approximately 486.20 square miles and serves a population of
46,959 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 509 .
About ZIP code 98837
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $259,400. Owner-occupancy sits near the national average at 63%.
Median household income is $66,883. SNAP benefit usage at 18% of households reflects economic stress in the area. 32% 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 20 minutes is near the national average.
College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 98837 reflects a community defined by a significant Social Security-dependent population and elevated reliance on food assistance.
98837 ZIP code map
View map of 98837
Cities in ZIP code 98837
Below are the cities the US Postal Service accepts for ZIP code 98837. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
46,959
Population density
97 / sq mi
State FIPS
53
County FIPS
025
Geography
Land area
486.20 sq mi
Water area
32.63 sq mi
Latitude
47.1683
Longitude
-119.2693
Timezone
Pacific (PT)
Area code
509
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.4%
42.1%
31.7%
$50k – $100k
33.8%
34.5%
30.6%
$100k – $200k
20.0%
19.6%
27.1%
Over $200k
4.8%
3.7%
10.6%
Demographics & statistics
$66,883
Median household income
$259,400
Median home value
$1,016
Median monthly rent
20.5%
Bachelor's or higher
Age distribution
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
Black or African American
1.6%
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
Income range
This ZIP
County avg
State avg
Under $50k
41.4%
42.1%
31.7%
$50k – $100k
33.8%
34.5%
30.6%
$100k – $200k
20.0%
19.6%
27.1%
Over $200k
4.8%
3.7%
10.6%
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
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
Some college, no degree
27.1%
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%
Agriculture & mining
9.7%
Professional & management
6.9%
Transportation & utilities
6.0%
Arts, food & hospitality
5.7%
Public administration
5.3%
Finance & real estate
4.0%
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%
Work from home 8.9%
Other means 1.0%
Avg commute (minutes) 20.0
Poverty
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 %
Obesity 31.4%
High blood pressure 31.8%
High cholesterol 34.8%
Diabetes 10.2%
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 %
Smoking 17.1%
Binge drinking 16.5%
No physical activity 22.0%
Less than 7 hrs sleep 29.7%
Depression 24.0%
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%
No insurance 8.1%
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 about ZIP code 98837
What city is ZIP code 98837 in?
ZIP code 98837 is primarily assigned to Moses Lake, Washington.
What county is ZIP code 98837 in?
ZIP code 98837 falls within Grant County, Washington.
What is the population of ZIP code 98837?
ZIP code 98837 has an estimated population of 46,959 residents, with a density of 97 people per square mile.
What is the median household income in ZIP code 98837?
The median household income in ZIP code 98837 is $66,883, below the national median of ~$75,000.
What is the typical home value in ZIP code 98837?
The median home value in ZIP code 98837 is $259,400.
What timezone is ZIP code 98837 in?
ZIP code 98837 observes the PST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →