Lake Catherine, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Lake Catherine, Illinois had a total population of 968, the 710th largest community in Illinois, with a median household income of $91,667, which is 10% higher than the state average. The poverty rate is 11.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 9.7% is notably above the national average.
Lake Catherine Quick Facts
How Lake Catherine 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 | 1,091 | 968 | -11.3% |
| Median household income | $94,821 | $91,667 | -3.3% |
| Median home value | $237,100 | $257,200 | +8.5% |
How Lake Catherine 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+)
Lake Catherine Rankings in Illinois
Explore Illinois Rankings
Other Cities in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Waukegan | 89,076 | $71,919 | 15.3% | $190,900 |
| Mundelein | 31,915 | $108,340 | 8.2% | $309,700 |
| North Chicago | 30,643 | $60,172 | 24.5% | $159,600 |
| Gurnee | 30,510 | $119,628 | 5.2% | $344,300 |
| Highland Park | 30,398 | $168,094 | 4.2% | $607,300 |
| Round Lake Beach | 27,079 | $86,059 | 14.8% | $199,200 |
| Vernon Hills | 26,876 | $121,943 | 6.1% | $412,300 |
| Zion | 24,600 | $63,104 | 16.0% | $183,800 |
| Grayslake | 20,929 | $113,972 | 6.3% | $309,500 |
| Libertyville | 20,525 | $165,667 | 4.2% | $512,000 |
Cities Similar to Lake Catherine
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Sidney | 936 | $88,618 | $197,600 | 24.5% | 4.3% |
| Rapids City | 980 | $83,125 | $203,700 | 23.2% | 3.3% |
| Oreana | 1,037 | $89,000 | $137,300 | 24.6% | 3.0% |
| Hennepin | 929 | $83,000 | $168,300 | 20.9% | 8.0% |
| Pleasant Plains | 886 | $89,643 | $169,000 | 25.3% | 3.2% |
A note before these figures: with a population of 968, Lake Catherine'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
Lake Catherine is a small community located in Illinois, within Lake County. The total population is 968. It ranks as the 710th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Lake Catherine is 51.2 years. This is 31% higher than the state median of 39.0 years. Only 10.0% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Lake Catherine is $91,667. This is 10% higher than the state median of $83,390. It is also 14% higher than the national median of $80,734. The poverty rate stands at 11.9%. This is about the same as the state poverty rate of 11.8%. The unemployment rate is 9.7%. This is 67% higher than the state rate of 5.8%. The median home value is $257,200. Housing costs are 2% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.8x, Lake Catherine is one of the most affordable housing markets in the area. 79.7% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 67.1%.
Race & Ethnicity
Lake Catherine has a predominantly White (non-Hispanic) population, comprising 94.3% of all residents. Asian residents account for 1.5%. The White (non-Hispanic) population is significantly higher than the state average (94.3% vs 58.1%). The Asian population (1.5%) is well below the state average of 5.9%.
Education
33.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% 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 93.9%.
Data Sources & Methodology
All demographic data for Lake Catherine, 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.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Lake Catherine, Illinois?
Lake Catherine, Illinois has a population of 968 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake Catherine, IL?
The median household income in Lake Catherine is $91,667, which is 14% higher than the national median of $80,734.
What is the poverty rate in Lake Catherine, IL?
The poverty rate in Lake Catherine is 11.9%. This means approximately 115 residents live below the federal poverty line.
What is the racial makeup of Lake Catherine, Illinois?
Lake Catherine's population is 94.3% White, 0.0% Black, 0.0% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Lake Catherine, IL?
The median home value in Lake Catherine is $257,200. The home-value-to-income ratio is 2.8x.
How educated is Lake Catherine, Illinois?
33.9% of adults (25+) in Lake Catherine hold a bachelor's degree or higher, and 10.1% hold a graduate or professional degree.