Aviston, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Aviston, Illinois had a total population of 2,387, the 470th largest village in Illinois, with a median household income of $117,875, which is 41% higher than the state average. The poverty rate is 4.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 41% above the state average — one of the wealthiest communities in Illinois.
- An exceptionally low poverty rate of 4.1% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
- Near full employment with an unemployment rate of just 1.9%.
Aviston Quick Facts
How Aviston 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 | 2,451 | 2,387 | -2.6% |
| Median household income | $111,354 | $117,875 | +5.9% |
| Median home value | $217,000 | $244,800 | +12.8% |
How Aviston 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+)
Aviston Rankings in Illinois
Explore Illinois Rankings
Other Cities in Clinton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Breese | 4,301 | $85,222 | 4.2% | $229,600 |
| Carlyle | 2,980 | $77,273 | 7.9% | $155,000 |
| Trenton | 2,664 | $80,795 | 12.4% | $178,200 |
| Germantown | 1,350 | $92,083 | 5.4% | $192,500 |
| Albers | 1,280 | $109,583 | 7.2% | $210,200 |
| Beckemeyer | 993 | $63,603 | 5.4% | $121,300 |
| Bartelso | 782 | $90,000 | 4.2% | $209,700 |
| Keyesport | 635 | $46,500 | 26.2% | $72,500 |
| Hoffman | 607 | $66,667 | 5.6% | $106,700 |
| St. Rose | 593 | $115,000 | 8.1% | $206,000 |
Cities Similar to Aviston
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Fox Lake Hills | 2,399 | $111,964 | $245,000 | 29.8% | 3.2% |
| Oakwood Hills | 2,416 | $109,907 | $282,300 | 37.6% | 2.9% |
| Lake Summerset | 2,364 | $108,355 | $237,300 | 30.5% | 3.0% |
| Elmwood | 2,327 | $90,285 | $153,500 | 37.9% | 10.1% |
| Heyworth | 2,573 | $96,500 | $210,600 | 30.9% | 6.1% |
Population Overview
Aviston is a small community located in Illinois, within Clinton County. The total population is 2,387. It ranks as the 470th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Aviston is 31.8 years. This is 18% lower than the state median of 39.0 years. With 31.4% of the population under 18, Aviston has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Aviston is $117,875. This is 41% higher than the state median of $83,390. It is also 46% higher than the national median of $80,734. The poverty rate stands at 4.1%. This is 66% 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 1.9%. This is 67% lower than the state rate of 5.8%. The median home value is $244,800. Housing costs are 7% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.1x, Aviston is one of the most affordable housing markets in the area. 81.7% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 67.1%.
Race & Ethnicity
Aviston has a predominantly White (non-Hispanic) population, comprising 85.5% of all residents. Hispanic or Latino residents account for 12.5%. The Black or African American population (0.3%) is well below the state average of 13.3%. The Asian population (0.1%) is well below the state average of 5.9%.
Education
42.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% higher 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 96.3%.
Data Sources & Methodology
All demographic data for Aviston, 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 Aviston, Illinois?
Aviston, Illinois has a population of 2,387 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Aviston, IL?
The median household income in Aviston is $117,875, which is 46% higher than the national median of $80,734.
What is the poverty rate in Aviston, IL?
The poverty rate in Aviston is 4.1%. This means approximately 94 residents live below the federal poverty line.
What is the racial makeup of Aviston, Illinois?
Aviston's population is 85.5% White, 0.3% Black, 12.5% Hispanic/Latino, and 0.1% Asian.
What is the median home value in Aviston, IL?
The median home value in Aviston is $244,800. The home-value-to-income ratio is 2.1x.
How educated is Aviston, Illinois?
42.3% of adults (25+) in Aviston hold a bachelor's degree or higher, and 13.6% hold a graduate or professional degree.