Moses Lake, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Moses Lake, Washington had a total population of 26,083, the 49th largest city in Washington, with a median household income of $74,752, which is 24% lower than the state average. The poverty rate is 15.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Moses Lake Quick Facts
How Moses Lake Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 25,594 | 26,083 | +1.9% |
| Median household income | $71,854 | $74,752 | +4.0% |
| Median home value | $278,100 | $310,000 | +11.5% |
How Moses Lake Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Moses Lake Rankings in Washington
Explore Washington Rankings
Other Cities in Grant County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Ephrata | 8,560 | $69,551 | 20.8% | $252,000 |
| Quincy | 7,998 | $87,902 | 6.2% | $336,800 |
| Cascade Valley | 4,609 | $60,715 | 12.6% | N/A |
| Moses Lake North | 4,517 | $57,602 | 29.8% | $242,200 |
| Mattawa | 3,616 | $38,388 | 33.3% | N/A |
| Desert Aire | 2,788 | $85,960 | 7.8% | $455,100 |
| Warden | 2,581 | $57,743 | 20.9% | $189,900 |
| Royal City | 1,683 | $50,478 | 35.8% | $228,600 |
| Coulee Dam | 1,595 | $66,732 | 15.8% | $238,500 |
| Lakeview | 1,584 | $45,787 | 18.6% | $195,200 |
Cities Similar to Moses Lake
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Oak Harbor | 24,362 | $76,084 | $461,200 | 28.9% | 8.3% |
| Tumwater | 26,956 | $95,212 | $472,200 | 42.9% | 7.0% |
| Hazel Dell | 23,237 | $86,305 | $455,500 | 27.2% | 9.8% |
| Frederickson | 25,383 | $109,500 | $477,400 | 20.0% | 5.7% |
| Tukwila | 21,451 | $78,381 | $489,000 | 25.3% | 13.1% |
Population Overview
Moses Lake is a mid-sized community located in Washington, within Grant County. The total population is 26,083. It ranks as the 49th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Moses Lake is 32.3 years. This is 16% lower than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Moses Lake is $74,752. This is 24% lower than the state median of $98,141. It is also 7% lower than the national median of $80,734. The poverty rate stands at 15.8%. This is 59% higher than the state poverty rate of 9.9%. The unemployment rate is 4.7%. This is 9% lower than the state rate of 5.1%. The median home value is $310,000. Housing costs are 45% lower than the state median of $564,600. The home-value-to-income ratio is 4.1x. 61.2% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Moses Lake is White (non-Hispanic), making up 54.7% of the population. Hispanic or Latino residents account for 34.9%. The Hispanic or Latino population is significantly higher than the state average (34.9% vs 14.4%). The Asian population (1.0%) is well below the state average of 9.7%.
Education
21.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.
Data Sources & Methodology
All demographic data for Moses Lake, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Moses Lake, Washington?
Moses Lake, Washington has a population of 26,083 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Moses Lake, WA?
The median household income in Moses Lake is $74,752, which is 7% lower than the national median of $80,734.
What is the poverty rate in Moses Lake, WA?
The poverty rate in Moses Lake is 15.8%. This means approximately 4,068 residents live below the federal poverty line.
What is the racial makeup of Moses Lake, Washington?
Moses Lake's population is 54.7% White, 2.7% Black, 34.9% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Moses Lake, WA?
The median home value in Moses Lake is $310,000. The home-value-to-income ratio is 4.1x.
How educated is Moses Lake, Washington?
21.4% of adults (25+) in Moses Lake hold a bachelor's degree or higher, and 5.3% hold a graduate or professional degree.