New Lenox, IL
Population 27,456 · Illinois
About New Lenox, IL
New Lenox is a mid-sized city in Illinois with a population of 27,456 residents. The median household income is $133,071 per year, which is above the national average. The median age in New Lenox is 37.3 years.
Housing in New Lenox has a median home value of $377,500 and median monthly rent of $1,244. Of the 9,473 total housing units, the majority are owner-occupied, with 8,334 owner-occupied and 808 renter-occupied units.
The unemployment rate in New Lenox is 2.9% and the poverty rate is 2.1%. 45.5% of residents hold a bachelor's degree or higher. The average commute time is 32.8 minutes.
Cost of Living in New Lenox, IL
Compared to national averages, New Lenox has a median household income of $133,071 (77% above the national median of $75,149). Home values average $377,500, which is 54% above the national median. Monthly rent at $1,244 is 7% above the US average of $1,163. Within Illinois, New Lenox's income is 77% above the state average of $75,072, and home values are 128% above the state median of $165,779.
Why Live in New Lenox, IL?
New Lenox offers a strong local economy with a median household income of $133,071, well above the national average, and a strong job market with an unemployment rate of just 2.9%, and a well-educated community where 45.5% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 2.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $377,500. However, New Lenox’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
New Lenox has a population of 27,456 with a median age of 37.3 years. Compare New Lenox with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near New Lenox
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Wilmette | 27,550 | $192,300 | $802,200 | Compare |
| McHenry | 27,774 | $86,865 | $244,900 | Compare |
| Round Lake Beach | 27,081 | $86,632 | $191,200 | Compare |
| Huntley | 27,859 | $86,349 | $318,500 | Compare |
| Chicago Heights | 26,938 | $57,479 | $149,900 | Compare |
| Oak Forest | 26,888 | $87,941 | $247,800 | Compare |
| Vernon Hills | 26,772 | $120,625 | $384,800 | Compare |
| Batavia | 26,730 | $119,167 | $358,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about New Lenox
What is the population of New Lenox, IL?
The population of New Lenox, IL is 27,456 according to the latest Census data.
What is the median household income in New Lenox?
The median household income in New Lenox, IL is $133,071 per year.
What is the median home value in New Lenox?
The median home value in New Lenox, IL is $377,500.
What is the average rent in New Lenox?
The median monthly rent in New Lenox, IL is $1,244.
What is the unemployment rate in New Lenox?
The unemployment rate in New Lenox, IL is 2.9%.