Population
28,893
New LenoxCensus, July 2025
From 27,259 in July 2020 to 28,893 in July 2025.
The Census Bureau's estimate of everyone living here on July 1.
New Lenox by the numbers
Official figures for New Lenox. Each one shows its date, its source and the area it covers. A figure for a larger area says so.
People
Change in a year
+1.4%
New LenoxCensus, 2024 to 2025
Change in the population estimate over one year, from July 1 to July 1, both from the same release.
Change over 5 years
+6.0%
New LenoxCensus, 2020 to 2025
Change in the population estimate over five years, from July 1 to July 1, both from the same release.
Sources
- U.S. Census Bureau, Population Estimates, Vintage 2025 · Public domain
Figures are shown as each source publishes them. Survey figures carry a 90% margin of error. A figure for a larger area is labelled with that area.