St. John, Washington Demographics & Population 2026
During the 2020–2024 ACS period, St. John, Washington had a total population of 607, the 448th largest town in Washington, with a median household income of $46,250, which is 53% lower than the state average. The poverty rate is 15.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 53% below the state average, indicating significant economic challenges.
- Unemployment rate of 8.3% is notably above the national average.
St. John Quick Facts
How St. John 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 | 685 | 607 | -11.4% |
| Median household income | $61,000 | $46,250 | -24.2% |
| Median home value | $200,500 | $208,300 | +3.9% |
How St. John 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+)
St. John Rankings in Washington
Explore Washington Rankings
Other Cities in Whitman County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pullman | 32,229 | $46,812 | 30.4% | $424,800 |
| Colfax | 2,708 | $61,914 | 15.1% | $245,300 |
| Palouse | 1,147 | $88,750 | 3.1% | $286,200 |
| Tekoa | 690 | $46,250 | 12.2% | $211,900 |
| Rosalia | 513 | $50,938 | 19.8% | $197,700 |
| Albion | 495 | $56,833 | 6.5% | $230,700 |
| Garfield | 475 | $70,625 | 17.2% | $221,200 |
| Endicott | 425 | $45,625 | 9.9% | $163,000 |
| Uniontown | 400 | $71,563 | 7.2% | $337,500 |
| Oakesdale | 396 | $78,750 | 2.5% | $258,300 |
Cities Similar to St. John
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Outlook | 594 | $46,475 | $310,600 | 0.0% | 37.4% |
| Clallam Bay | 602 | $48,260 | $233,000 | 12.5% | 12.3% |
| Lake McMurray | 569 | N/A | $419,000 | 26.2% | 5.1% |
| Deming | 568 | N/A | $459,600 | 36.7% | 17.8% |
| Kendall | 657 | N/A | $338,900 | 19.6% | 23.0% |
A note before these figures: with a population of 607, St. John's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
St. John is a small community located in Washington, within Whitman County. The total population is 607. It ranks as the 448th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in St. John is 57.3 years. This is 50% higher than the state median of 38.3 years. Only 12.7% of residents are under 18, indicating fewer families with children. 25.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in St. John is $46,250. This is 53% lower than the state median of $98,141. It is also 43% lower than the national median of $80,734. The poverty rate stands at 15.7%. This is 58% higher than the state poverty rate of 9.9%. The unemployment rate is 8.3%. This is 64% higher than the state rate of 5.1%. The median home value is $208,300. Housing costs are 63% lower than the state median of $564,600. The home-value-to-income ratio is 4.5x. 77.5% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 63.8%.
Race & Ethnicity
St. John has a predominantly White (non-Hispanic) population, comprising 89.3% of all residents. Asian residents account for 4.5%. The Black or African American population (0.5%) is well below the state average of 3.9%. The Hispanic or Latino population (1.7%) is well below the state average of 14.4%. The Asian population (4.5%) is well below the state average of 9.7%.
Education
19.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% 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 76.2%.
Data Sources & Methodology
All demographic data for St. John, 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 St. John, Washington?
St. John, Washington has a population of 607 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. John, WA?
The median household income in St. John is $46,250, which is 43% lower than the national median of $80,734.
What is the poverty rate in St. John, WA?
The poverty rate in St. John is 15.7%. This means approximately 88 residents live below the federal poverty line.
What is the racial makeup of St. John, Washington?
St. John's population is 89.3% White, 0.5% Black, 1.7% Hispanic/Latino, and 4.5% Asian.
What is the median home value in St. John, WA?
The median home value in St. John is $208,300. The home-value-to-income ratio is 4.5x.
How educated is St. John, Washington?
19.9% of adults (25+) in St. John hold a bachelor's degree or higher, and 4.3% hold a graduate or professional degree.