Lemont Township, Cook County, Illinois
Lemont Township is a township in Cook County, Illinois. About 22,564 people live there (2020–2024 estimate). It covers 20.4 sq mi (52.7 km²) of land and uses Central Time. It has its own local government.
- Population, 2020–2024 estimate
- 22,564 ± 37
- County
- Cook County
- School districts
- Lemont Township High School District 2109–12 · high schoolLemont-Bromberek Combined School District 113APre-K to 8 · elementary
- Land area
- 20.4 sq mi (52.7 km²)
- Type
- TownshipIts own local government
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $120,984 ± $11,687
- Median home value
- $484,400 ± $20,839
- Water area
- 0.66 sq mi (1.7 km²)
- State
- Illinois
- Census code (GEOID)
- 1703142808
- Coordinates (central point)
- 41.669297, -87.962037
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Census place in Lemont Township
- Lemont (village)17,820 people
This place’s central point lies inside Lemont Township. A place can reach across the line, and its government, if it has one, can be separate from the township’s.
Bordering areas, nearest first
- Homer Township, Will County5.3 mi south
- Palos Township5.9 mi east
- Downers Grove Township, DuPage County5.9 mi north
- Du Page Township, Will County6.6 mi west
These towns, townships, cities and boroughs share a boundary with Lemont Township. Distances are straight lines between central points, not driving distances.
Other townships in Cook County, largest first
- Wheeling Township153,991 people
- Thornton Township153,682 people
- Worth Township149,419 people
- Proviso Township147,690 people
- Maine Township137,069 people
- Schaumburg Township131,761 people
- Lyons Township112,613 people
- Palatine Township111,737 people
- Niles Township109,647 people
- Bremen Township104,594 people
- Hanover Township97,865 people
- Orland Township96,492 people
All 28
- Elk Grove Township93,245 people
- Leyden Township90,973 people
- Northfield Township89,674 people
- Bloom Township83,966 people
- Cicero Township82,797 people
- Rich Township74,330 people
- New Trier Township56,161 people
- Berwyn Township55,595 people
- Palos Township55,552 people
- Oak Park Township53,292 people
- Stickney Township40,507 people
- Norwood Park Township26,755 people
- Calumet Township18,086 people
- Riverside Township16,242 people
- Barrington Township16,233 people
- River Forest Township11,992 people
People counts are American Community Survey 2020–2024 5-year estimates. See Cook County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Lemont Township
- Longest day
- 15 hours 12 minutes around June 21
- Shortest day
- 9 hours 9 minutes around December 21
- Earliest sunrise
- 5:16 AM around June 15
- Latest sunrise
- 7:29 AM the day before clocks go back in November
- Earliest sunset
- 4:21 PM around December 8
- Latest sunset
- 8:30 PM around June 27
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:16 AM | 4:46 PM | 9 h 30 min |
| Feb 15 | 6:47 AM | 5:25 PM | 10 h 38 min |
| Mar 15 | 7:03 AM | 6:58 PM | 11 h 55 min |
| Apr 15 | 6:12 AM | 7:32 PM | 13 h 20 min |
| May 15 | 5:32 AM | 8:04 PM | 14 h 32 min |
| Jun 15 | 5:16 AM | 8:28 PM | 15 h 12 min |
| Jul 15 | 5:30 AM | 8:24 PM | 14 h 54 min |
| Aug 15 | 6:00 AM | 7:51 PM | 13 h 51 min |
| Sep 15 | 6:31 AM | 7:01 PM | 12 h 30 min |
| Oct 15 | 7:03 AM | 6:10 PM | 11 h 7 min |
| Nov 15 | 6:40 AM | 4:31 PM | 9 h 51 min |
| Dec 15 | 7:11 AM | 4:22 PM | 9 h 11 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A township line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Cook County or the local office.
Find the township or town where you are now or find your county.