La Grange Park, Illinois Demographics & Population 2026

Population Overview

La Grange Park is a small city located in Illinois, within Cook County. The total population is 13,447. It ranks as the 183rd most populous out of 1,445 Census-designated places in Illinois.

Age Demographics

The median age in La Grange Park is 44.0 years. This is 13% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in La Grange Park is $120,408. This is 44% higher than the state median of $83,390. It is also 49% higher than the national median of $80,734. The poverty rate stands at 4.9%. This is 58% 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 3.3%. This is 43% lower than the state rate of 5.8%. The median home value is $439,800. Housing costs are 67% higher than the state median of $263,300. The home-value-to-income ratio is 3.7x. 72.2% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 67.1%.

Race & Ethnicity

The largest racial or ethnic group in La Grange Park is White (non-Hispanic), making up 74.5% of the population. Hispanic or Latino residents account for 16.3%. The Black or African American population (3.8%) is well below the state average of 13.3%. The Asian population (2.9%) is well below the state average of 5.9%.

Education

57.3% of residents aged 25 and older hold a bachelor's degree or higher. This places La Grange Park in the top 10% of all cities in the state for educational attainment. This is 51% 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 95.6%. Notably, 27.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for La Grange Park, 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.