Lake Catherine CDP, Illinois Demographics & Population 2026

Population Overview

Lake Catherine CDP is a small community located in Illinois. The total population is 1,091. It ranks as the 674th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Lake Catherine CDP is 50.5 years. This is 30% higher than the state median of 38.9 years. Only 10.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Lake Catherine CDP is $94,821. This is 16% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 21% higher. The poverty rate stands at 7.2%. This is 38% lower than the state poverty rate of 11.7%. The unemployment rate is 10.1%. This is 74% higher than the state rate of 5.8%. The median home value is $237,100. Housing costs are 5% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.5x, Lake Catherine CDP is one of the most affordable housing markets in the area. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 66.8%.

Race & Ethnicity

Lake Catherine CDP has a predominantly White (non-Hispanic) population, comprising 91.7% of all residents. Hispanic or Latino residents account for 1.2%. The White (non-Hispanic) population is significantly higher than the state average (91.7% vs 58.8%). The Hispanic or Latino population (1.2%) is well below the state average of 18.5%. The Asian population (1.2%) is well below the state average of 5.8%.

Education

25.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.4%.

Data Sources & Methodology

All demographic data for Lake Catherine CDP, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.