Ste. Marie, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Ste. Marie, Illinois had a total population of 281, the 1102nd largest village in Illinois, with a median household income of $86,250, which is 3% higher than the state average. The poverty rate is 4.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 4.3% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 1.2x.
Ste. Marie Quick Facts
How Ste. Marie 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 | 266 | 281 | +5.6% |
| Median household income | $80,417 | $86,250 | +7.3% |
| Median home value | $103,900 | $102,400 | -1.4% |
How Ste. Marie 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: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Ste. Marie Rankings in Illinois
Explore Illinois Rankings
Other Cities in Jasper County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Newton | 2,932 | $61,761 | 11.1% | $95,400 |
| Willow Hill | 304 | $36,591 | 40.1% | $50,000 |
| Wheeler | 130 | $20,568 | 46.9% | N/A |
| Yale | 66 | $37,917 | 54.5% | $67,900 |
| Hidalgo | 60 | $65,156 | 25.0% | N/A |
| Rose Hill | 54 | $41,250 | 29.6% | N/A |
| West Liberty | 43 | $35,556 | 0.0% | $52,000 |
Cities Similar to Ste. Marie
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Taylor Ridge | 276 | N/A | $181,100 | 26.3% | 6.5% |
| Dundas | 272 | N/A | $77,700 | 0.0% | 7.0% |
| Cameron | 280 | $92,167 | $111,300 | 10.4% | 23.9% |
| Royal | 292 | $86,250 | $161,200 | 22.2% | 2.7% |
| Loda | 279 | $80,250 | $108,300 | 15.9% | 19.4% |
A note before these figures: with a population of 281, Ste. Marie'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
Ste. Marie is a small community located in Illinois, within Jasper County. The total population is 281. It ranks as the 1102nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Ste. Marie is 29.4 years. This is 25% lower than the state median of 39.0 years. With 29.2% of the population under 18, Ste. Marie has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Ste. Marie is $86,250. This is 3% higher than the state median of $83,390. It is also 7% higher than the national median of $80,734. The poverty rate stands at 4.3%. This is 64% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.5%. This is 57% lower than the state rate of 5.8%. The median home value is $102,400. Housing costs are 61% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.2x, Ste. Marie is one of the most affordable housing markets in the area. 91.1% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 67.1%.
Race & Ethnicity
Every resident counted in Ste. Marie was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
20.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.4%.
Data Sources & Methodology
All demographic data for Ste. Marie, Illinois 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 Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. 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 Ste. Marie, Illinois?
Ste. Marie, Illinois has a population of 281 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Ste. Marie, IL?
The median household income in Ste. Marie is $86,250, which is 7% higher than the national median of $80,734.
What is the poverty rate in Ste. Marie, IL?
The poverty rate in Ste. Marie is 4.3%. This means approximately 12 residents live below the federal poverty line.
What is the racial makeup of Ste. Marie, Illinois?
Ste. Marie's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Ste. Marie, IL?
The median home value in Ste. Marie is $102,400. The home-value-to-income ratio is 1.2x.
How educated is Ste. Marie, Illinois?
20.6% of adults (25+) in Ste. Marie hold a bachelor's degree or higher, and 7.1% hold a graduate or professional degree.