Caledonia, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Caledonia, Illinois had a total population of 226, the 1170th largest village in Illinois, with a median household income of $88,571, which is 6% higher than the state average. The poverty rate is 8.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
Caledonia Quick Facts
How Caledonia 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 | 219 | 226 | +3.2% |
| Median household income | $86,513 | $88,571 | +2.4% |
| Median home value | $161,800 | $163,200 | +0.9% |
How Caledonia 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
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Caledonia Rankings in Illinois
Explore Illinois Rankings
Other Cities in Boone County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Belvidere | 24,752 | $64,528 | 14.6% | $158,900 |
| Candlewick Lake | 5,448 | $86,146 | 10.0% | $172,300 |
| Poplar Grove | 3,923 | $120,278 | 3.7% | $270,700 |
| Capron | 1,311 | $90,192 | 8.9% | $160,100 |
| Timberlane | 1,278 | $147,308 | 0.8% | $351,000 |
| Garden Prairie | 403 | $68,319 | 0.0% | $186,400 |
Cities Similar to Caledonia
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Colp | 223 | N/A | $69,300 | 18.9% | 47.1% |
| Forest City | 223 | $87,813 | $86,300 | 11.7% | 28.2% |
| Alvan (Alvin) | 230 | $88,750 | $91,600 | 4.2% | 3.0% |
| Ridgefield | 221 | N/A | $254,200 | 76.3% | 0.0% |
| Adair | 215 | N/A | $90,000 | 45.7% | 20.5% |
A note before these figures: with a population of 226, Caledonia'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
Caledonia is a small community located in Illinois, within Boone County. The total population is 226. It ranks as the 1170th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Caledonia is 41.0 years. This is 5% higher than the state median of 39.0 years. Only 14.2% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Caledonia is $88,571. This is 6% higher than the state median of $83,390. It is also 10% higher than the national median of $80,734. The poverty rate stands at 8.4%. This is 29% lower than the state poverty rate of 11.8%. The unemployment rate is 3.8%. This is 35% lower than the state rate of 5.8%. The median home value is $163,200. Housing costs are 38% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Caledonia is one of the most affordable housing markets in the area. 67.9% of occupied housing units are owner-occupied. This homeownership rate is 1% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Caledonia is White (non-Hispanic), making up 75.2% of the population. Hispanic or Latino residents account for 8.0%. The Black or African American population (1.3%) is well below the state average of 13.3%. The Hispanic or Latino population (8.0%) is well below the state average of 18.8%.
Education
31.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% 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 91.1%. Notably, 16.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Caledonia, 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 Caledonia, Illinois?
Caledonia, Illinois has a population of 226 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Caledonia, IL?
The median household income in Caledonia is $88,571, which is 10% higher than the national median of $80,734.
What is the poverty rate in Caledonia, IL?
The poverty rate in Caledonia is 8.4%. This means approximately 19 residents live below the federal poverty line.
What is the racial makeup of Caledonia, Illinois?
Caledonia's population is 75.2% White, 1.3% Black, 8.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Caledonia, IL?
The median home value in Caledonia is $163,200. The home-value-to-income ratio is 1.8x.
How educated is Caledonia, Illinois?
31.7% of adults (25+) in Caledonia hold a bachelor's degree or higher, and 16.7% hold a graduate or professional degree.