Alto Pass, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Alto Pass, Illinois had a total population of 343, the 1042nd largest village in Illinois, with a median household income of $55,556, which is 33% lower than the state average. The poverty rate is 7.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 33% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
- Unemployment rate of 8.1% is notably above the national average.
Alto Pass Quick Facts
How Alto Pass 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 | 380 | 343 | -9.7% |
| Median household income | $59,583 | $55,556 | -6.8% |
| Median home value | $106,800 | $121,300 | +13.6% |
How Alto Pass 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+)
Alto Pass Rankings in Illinois
Explore Illinois Rankings
Other Cities in Union County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Anna | 4,196 | $33,137 | 34.4% | $134,300 |
| Jonesboro | 1,870 | $58,500 | 20.9% | $106,400 |
| Cobden | 1,170 | $46,458 | 28.8% | $98,300 |
| Dongola | 553 | $34,145 | 18.8% | $59,900 |
| Mill Creek | 37 | $151,250 | 29.7% | N/A |
Cities Similar to Alto Pass
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Winslow | 338 | $55,156 | $111,800 | 9.2% | 27.8% |
| Chestnut | 347 | $54,091 | $135,600 | 0.0% | 17.3% |
| Saunemin | 352 | $56,250 | $94,600 | 10.3% | 10.8% |
| Bush | 354 | $55,357 | $78,000 | 11.1% | 2.5% |
| Loraine | 341 | $58,750 | $83,600 | 9.8% | 8.8% |
A note before these figures: with a population of 343, Alto Pass'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
Alto Pass is a small community located in Illinois, within Union County. The total population is 343. It ranks as the 1042nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Alto Pass is 46.7 years. This is 20% higher than the state median of 39.0 years. Only 14.0% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Alto Pass is $55,556. This is 33% lower than the state median of $83,390. It is also 31% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 41% lower than the state poverty rate of 11.8%. The unemployment rate is 8.1%. This is 38% higher than the state rate of 5.8%. The median home value is $121,300. Housing costs are 54% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.2x, Alto Pass is one of the most affordable housing markets in the area. 87.7% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Alto Pass is White (non-Hispanic), making up 76.4% of the population. Hispanic or Latino residents account for 21.0%.
Education
29.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% 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 88.8%. Notably, 17.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Alto Pass, 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 Alto Pass, Illinois?
Alto Pass, Illinois has a population of 343 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Alto Pass, IL?
The median household income in Alto Pass is $55,556, which is 31% lower than the national median of $80,734.
What is the poverty rate in Alto Pass, IL?
The poverty rate in Alto Pass is 7.0%. This means approximately 24 residents live below the federal poverty line.
What is the racial makeup of Alto Pass, Illinois?
Alto Pass's population is 76.4% White, 0.0% Black, 21.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Alto Pass, IL?
The median home value in Alto Pass is $121,300. The home-value-to-income ratio is 2.2x.
How educated is Alto Pass, Illinois?
29.1% of adults (25+) in Alto Pass hold a bachelor's degree or higher, and 17.5% hold a graduate or professional degree.