Monroe, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Monroe, Washington had a total population of 19,755, the 77th largest city in Washington, with a median household income of $110,461, which is 13% higher than the state average. The poverty rate is 7.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Monroe Quick Facts
How Monroe 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 | 19,696 | 19,755 | +0.3% |
| Median household income | $107,556 | $110,461 | +2.7% |
| Median home value | $594,300 | $668,400 | +12.5% |
How Monroe 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+)
Monroe Rankings in Washington
Explore Washington Rankings
Other Cities in Snohomish County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Everett | 111,845 | $83,512 | 12.9% | $565,300 |
| Marysville | 73,002 | $103,974 | 8.1% | $567,900 |
| Edmonds | 42,735 | $122,449 | 3.8% | $890,100 |
| Lake Stevens | 40,253 | $122,336 | 5.2% | $635,600 |
| Lynnwood | 40,110 | $77,704 | 14.1% | $686,900 |
| Mill Creek East | 25,453 | $192,937 | 4.1% | $905,400 |
| Eastmont | 23,721 | $138,912 | 6.3% | $784,000 |
| North Lynnwood | 23,339 | $101,088 | 7.2% | $616,400 |
| Mountlake Terrace | 23,104 | $107,687 | 7.0% | $667,300 |
| Martha Lake | 22,634 | $124,494 | 8.3% | $785,400 |
Cities Similar to Monroe
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Salmon Creek | 20,017 | $111,631 | $530,100 | 36.4% | 6.1% |
| Silverdale | 20,685 | $105,483 | $555,300 | 36.3% | 6.2% |
| Five Corners | 21,194 | $106,192 | $459,600 | 25.7% | 8.6% |
| Mill Creek | 20,956 | $124,364 | $903,800 | 56.0% | 6.4% |
| Battle Ground | 21,886 | $104,977 | $485,100 | 26.7% | 5.9% |
Population Overview
Monroe is a small city located in Washington, within Snohomish County. The total population is 19,755. It ranks as the 77th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Monroe is 35.7 years. This is 7% lower than the state median of 38.3 years.
Economy, Income & Housing
The median household income in Monroe is $110,461. This is 13% higher than the state median of $98,141. It is also 37% higher than the national median of $80,734. The poverty rate stands at 7.3%. This is 26% lower than the state poverty rate of 9.9%. The unemployment rate is 5.7%. This is 12% higher than the state rate of 5.1%. The median home value is $668,400. Housing costs are 18% higher than the state median of $564,600. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 71.5% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Monroe is White (non-Hispanic), making up 63.4% of the population. Hispanic or Latino residents account for 17.6%.
Education
30.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% 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 91.3%.
Data Sources & Methodology
All demographic data for Monroe, 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 Monroe, Washington?
Monroe, Washington has a population of 19,755 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Monroe, WA?
The median household income in Monroe is $110,461, which is 37% higher than the national median of $80,734.
What is the poverty rate in Monroe, WA?
The poverty rate in Monroe is 7.3%. This means approximately 1,255 residents live below the federal poverty line.
What is the racial makeup of Monroe, Washington?
Monroe's population is 63.4% White, 3.2% Black, 17.6% Hispanic/Latino, and 9.5% Asian.
What is the median home value in Monroe, WA?
The median home value in Monroe is $668,400. The home-value-to-income ratio is 6.1x.
How educated is Monroe, Washington?
30.0% of adults (25+) in Monroe hold a bachelor's degree or higher, and 9.3% hold a graduate or professional degree.