Illinois · Census place 1752584

New Lenox, Illinois

New Lenox is a village in Will County, Illinois with an estimated 28,480 residents on July 1, 2024. It is the 73rd largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
28,480
#73 of 651 in Illinois
Change since 2020
+4.5%
+1,237 people
Land area
16.1 sq mi
+ 0.03 sq mi water
Density
1,772 / sq mi
State median 2,177
Orange pin: New Lenox. Shaded: its county. Dark pin: Springfield.

New Lenox population, 2020 to 2024

New Lenox added 1,237 residents from July 2020 to July 2024, a change of +4.5%. In the latest year it moved by +350. Among 330 Illinois places of 5,000 or more, that growth ranks 20th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so New Lenox is 1.9 times that size.

27.2k202027.5k202127.6k202228.1k202328.5k2024
July 1 estimates. The April 2020 estimates base was 27,206. The axis starts above zero so yearly changes are visible.

New Lenox covers 16.07 square miles of land and 0.03 of water, for 1,772 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so New Lenox is less dense than the typical town.

What county New Lenox is in

All of New Lenox's residents live in Will County, which had 708,583 residents in 2024. New Lenox holds 4.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in New Lenox

1 ZIP Code Tabulation Area (ZCTA) overlaps New Lenox by at least 10% of the ZCTA's or the village's land: 60451. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where New Lenox is

The Census internal point of New Lenox is at 41.510000, -87.970000. Springfield, the capital, is 148.4 miles SW in a straight line. The nearest larger place is Orland Park, IL (58,020 people), 8.9 miles away. The nearest city of 100,000 or more is Joliet, IL, 9.2 miles away.

Internal point

Decimal
41.510000, -87.970000
DMS
41°30'36.00"N 87°58'12.00"W
UTM
16N 419053.1E 4595828.6N
Geohash
dp3knhwjq
Plus code
86HJG26H+2X

Daylight in New Lenox

At 41.51° N, New Lenox gets about 15 h 11 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 01 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near New Lenox

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Mokena, 5.0 miles away, with 19,915 people.

Questions people ask

What is the population of New Lenox, IL?

28,480 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 1,237 (4.5%) from 27,243 in July 2020.

What county is New Lenox in?

Will County. All of its residents live in that county.

What ZIP codes cover New Lenox?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 60451.

How far is New Lenox from Springfield?

148.4 miles (238.8 km) in a straight line, heading SW from New Lenox.

What is the nearest larger city to New Lenox?

Orland Park, IL, with 58,020 residents, 8.9 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.