Limestone, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Limestone, Illinois had a total population of 1,419, the 600th largest village in Illinois, with a median household income of $103,906, which is 25% higher than the state average. The poverty rate is 4.7%.
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 4.7% — among the lowest in Illinois.
- Housing is very affordable with a home-value-to-income ratio of just 2.0x.
Limestone Quick Facts
How Limestone 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 | 1,338 | 1,419 | +6.1% |
| Median household income | $95,625 | $103,906 | +8.7% |
| Median home value | $212,600 | $212,200 | -0.2% |
How Limestone 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+)
Limestone Rankings in Illinois
Explore Illinois Rankings
Other Cities in Kankakee County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kankakee | 23,996 | $47,514 | 25.5% | $104,900 |
| Bourbonnais | 18,078 | $81,708 | 9.5% | $253,100 |
| Bradley | 15,325 | $67,420 | 7.7% | $173,400 |
| Manteno | 9,030 | $97,634 | 3.5% | $248,400 |
| Momence | 3,291 | $58,365 | 10.1% | $154,800 |
| Grant Park | 1,449 | $78,385 | 9.0% | $215,800 |
| Herscher | 1,246 | $91,667 | 12.2% | $197,600 |
| St. Anne | 1,104 | $83,077 | 5.3% | $154,900 |
| Essex | 1,026 | $108,250 | 3.8% | $228,200 |
| Chebanse | 920 | $65,278 | 1.5% | $161,500 |
Cities Similar to Limestone
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Waterman | 1,448 | $100,139 | $217,300 | 23.2% | 5.0% |
| Philo | 1,487 | $105,625 | $205,400 | 29.1% | 10.3% |
| Westlake Village | 1,414 | $116,563 | $239,200 | 30.4% | 2.1% |
| Clifton | 1,385 | $92,344 | $205,400 | 25.7% | 11.9% |
| Twin Grove | 1,458 | $116,250 | $264,800 | 59.7% | 4.2% |
Population Overview
Limestone is a small community located in Illinois, within Kankakee County. The total population is 1,419. It ranks as the 600th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Limestone is 39.6 years. This is 2% higher than the state median of 39.0 years. 11.3% 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 Limestone is $103,906. This is 25% higher than the state median of $83,390. It is also 29% higher than the national median of $80,734. The poverty rate stands at 4.7%. This is 60% 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 3.9%. This is 34% lower than the state rate of 5.8%. The median home value is $212,200. Housing costs are 19% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.0x, Limestone is one of the most affordable housing markets in the area. 94.0% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 67.1%.
Race & Ethnicity
Limestone has a predominantly White (non-Hispanic) population, comprising 94.6% of all residents. Hispanic or Latino residents account for 4.7%. The White (non-Hispanic) population is significantly higher than the state average (94.6% vs 58.1%). The Hispanic or Latino population (4.7%) is well below the state average of 18.8%.
Education
23.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 38% 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 95.1%.
Data Sources & Methodology
All demographic data for Limestone, 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 Limestone, Illinois?
Limestone, Illinois has a population of 1,419 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Limestone, IL?
The median household income in Limestone is $103,906, which is 29% higher than the national median of $80,734.
What is the poverty rate in Limestone, IL?
The poverty rate in Limestone is 4.7%. This means approximately 66 residents live below the federal poverty line.
What is the racial makeup of Limestone, Illinois?
Limestone's population is 94.6% White, 0.0% Black, 4.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Limestone, IL?
The median home value in Limestone is $212,200. The home-value-to-income ratio is 2.0x.
How educated is Limestone, Illinois?
23.6% of adults (25+) in Limestone hold a bachelor's degree or higher, and 8.4% hold a graduate or professional degree.