Zip Code 98837
Moses Lake, Washington — Grant County
📍 ZIP code 98837 is in Moses Lake, Grant County, Washington.
ZIP code 98837 is located in Moses Lake, Grant County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 47,399. The area code for ZIP code 98837 is 509.
Quick Answer
Zip code 98837 is in Moses Lake, Washington (Grant County). It has a population of 47,399, median household income of $70,732, and median home value of $290,000.
Population
47,399
Income
$70,732
Home Value
$290,000
Climate
90°F / 24°F
About Zip Code 98837
Zip code 98837 is located in Moses Lake, Washington, within Grant County. Home to approximately 47,399 residents, this area sits at an elevation of 1171 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 509.
The median household income is $70,732 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $290,000, and the cost of living index is 91 (9% below the national average of 100).
Summers average a high of 90°F while winters drop to 24°F. The area receives about 8 in of rain and 15 in of snow annually. The zip code covers 482.9 square miles of land area and 32.1 square miles of water.
Key Statistics
47,399
$70,732
$290,000
Pacific (PST/PDT)
509
1171 ft
482.9 sq mi
35.3
18,651
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Compare With Nearby Zip Codes
| Metric | 98837 | 98857 | 98851 | 98823 | 98832 | 98853 |
|---|---|---|---|---|---|---|
| City | Moses Lake, WA | Warden, WA | Soap Lake, WA | Ephrata, WA | Marlin, WA | Stratford, WA |
| Population | 47,399 | 3,935 | 4,996 | 12,661 | 158 | 0 |
| Median Income | $70,732 | $57,743 | $67,009 | $77,361 | $55,625 | $0 |
| Home Value | $290,000 | $194,400 | $240,500 | $256,400 | $259,400 | $0 |
| Cost of Living | 91 | 69 | 77 | 84 | 71 | 100 |
| Median Age | 35.3 | 36.3 | 32.6 | 32.4 | 55.4 | -666666666 |
Cost of Living
100 = National Average. Moses Lake's cost of living is 9% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
4.1x
Demographics
Zip code 98837 has a population of 47,399 people with a median age of 35.3. There are 18,651 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Moses Lake (98837) population trend from 2010 to 2024
↓ -15.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
24°F
8 in
15 in
Moses Lake experiences hot summers with average highs around 90°F. Winters are cool with lows averaging 24°F. The area receives about 15 in of snow per year.
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Housing & Economy
Median Home Value
$290,000
Median Household Income
$70,732
With 18,651 housing units across 482.9 square miles, 98837 has a housing density of 39 units per square mile. The home price-to-income ratio is 4.1x.
Location & Geography
Latitude
47.1499°
Longitude
-119.3060°
Land Area
482.9 sq mi
Water Area
32.1 sq mi
Nearby Zip Codes
Zip codes closest to 98837 (Moses Lake, WA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 98837's $70,732. A way to compare Moses Lake to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 98837 (Moses Lake, WA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Moses Lake, Washington?
Moses Lake, Washington uses zip code 98837.
What county is zip code 98837 in?
Zip code 98837 is located in Grant County, Washington.
What is the population of zip code 98837?
The population of zip code 98837 is 47,399 with a median age of 35.3.
Is 98837 in Moses Lake, Washington?
Yes, zip code 98837 is in Moses Lake, Grant County, Washington. The area code is 509.
Frequently Asked Questions
What city is zip code 98837 in?
Zip code 98837 is in Moses Lake, Washington. It is part of Grant County and uses the Pacific (PST/PDT) timezone.
What is zip code 98837?
Zip code 98837 is a U.S. postal code in Moses Lake, Washington (Grant County). It has a population of 47,399 and covers 482.9 square miles.
What is the population of zip code 98837?
The population of zip code 98837 (Moses Lake, WA) is 47,399 with a median age of 35.3. There are approximately 18,651 housing units in this area.
What is the median income in zip code 98837?
The median household income in zip code 98837 (Moses Lake, WA) is $70,732 per year. The cost of living index is 91 (100 = national average).
What is the average home price in zip code 98837?
The median home value in zip code 98837 (Moses Lake, WA) is $290,000. The cost of living index is 91 compared to the national average of 100.
What county is zip code 98837 in?
Zip code 98837 is located in Grant County, Washington. The primary city is Moses Lake.
What is the area code for zip code 98837?
Zip code 98837 in Moses Lake, WA uses area code 509. It is located in the Pacific (PST/PDT) timezone.
Is zip code 98837 a good place to live?
Zip code 98837 (Moses Lake, WA) has a cost of living index of 91 (100 = national average), a median household income of $70,732, and median home values of $290,000. The median age is 35.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 98837?
The cost of living index for zip code 98837 (Moses Lake, WA) is 91, where 100 represents the national average. This area is below the national average. Median home value: $290,000.
What schools serve zip code 98837?
Zip code 98837 in Moses Lake, Washington is served by the local school district of Grant County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.