Quincy, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Quincy, Washington had a total population of 7,998, the 152nd largest city in Washington, with a median household income of $87,902, which is 10% lower than the state average. The poverty rate is 6.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Quincy Quick Facts
How Quincy 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 | 7,922 | 7,998 | +1.0% |
| Median household income | $79,973 | $87,902 | +9.9% |
| Median home value | $283,900 | $336,800 | +18.6% |
How Quincy 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 less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Quincy Rankings in Washington
Explore Washington Rankings
Other Cities in Grant County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Moses Lake | 26,083 | $74,752 | 15.8% | $310,000 |
| Ephrata | 8,560 | $69,551 | 20.8% | $252,000 |
| 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 Quincy
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Stanwood | 8,373 | $90,242 | $593,100 | 24.3% | 8.0% |
| Clarkston Heights-Vineland | 7,884 | $101,286 | $385,900 | 35.7% | 7.8% |
| Waller | 7,683 | $101,490 | $512,200 | 28.3% | 7.6% |
| Clover Creek | 7,345 | $95,061 | $471,900 | 22.3% | 12.6% |
| Selah | 8,437 | $74,783 | $414,600 | 25.5% | 13.9% |
Population Overview
Quincy is a small city located in Washington, within Grant County. The total population is 7,998. It ranks as the 152nd most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Quincy is 32.6 years. This is 15% lower than the state median of 38.3 years. With 29.5% of the population under 18, Quincy has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Quincy is $87,902. This is 10% lower than the state median of $98,141. It is also 9% higher than the national median of $80,734. The poverty rate stands at 6.2%. This is 37% lower than the state poverty rate of 9.9%. The unemployment rate is 7.7%. This is 52% higher than the state rate of 5.1%. The median home value is $336,800. Housing costs are 40% lower than the state median of $564,600. The home-value-to-income ratio is 3.8x. 64.7% of occupied housing units are owner-occupied. This homeownership rate is 1% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Quincy is Hispanic or Latino, making up 76.2% of the population. White (non-Hispanic) residents account for 19.5%. The White (non-Hispanic) population (19.5%) is well below the state average of 63.1%. The Black or African American population (0.5%) is well below the state average of 3.9%. The Hispanic or Latino population is significantly higher than the state average (76.2% vs 14.4%). The Asian population (1.2%) is well below the state average of 9.7%.
Education
18.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 73.1%.
Data Sources & Methodology
All demographic data for Quincy, 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 Quincy, Washington?
Quincy, Washington has a population of 7,998 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Quincy, WA?
The median household income in Quincy is $87,902, which is 9% higher than the national median of $80,734.
What is the poverty rate in Quincy, WA?
The poverty rate in Quincy is 6.2%. This means approximately 496 residents live below the federal poverty line.
What is the racial makeup of Quincy, Washington?
Quincy's population is 19.5% White, 0.5% Black, 76.2% Hispanic/Latino, and 1.2% Asian.
What is the median home value in Quincy, WA?
The median home value in Quincy is $336,800. The home-value-to-income ratio is 3.8x.
How educated is Quincy, Washington?
18.5% of adults (25+) in Quincy hold a bachelor's degree or higher, and 3.6% hold a graduate or professional degree.