Troy Grove Township, LaSalle County, Illinois
Troy Grove Township is a township in LaSalle County, Illinois. About 1,437 people live there (2020–2024 estimate). It covers 35.7 sq mi (92.4 km²) of land and uses Central Time. It has its own local government.
- Population, 2020–2024 estimate
- 1,437 ± 436
- County
- LaSalle County
- School districts
- Mendota Township High School District 2809–12 · high schoolMendota Community Consolidated School District 289Pre-K to 8 · elementary
- Land area
- 35.7 sq mi (92.4 km²)
- Type
- TownshipIts own local government
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $84,917 ± $24,516
- Median home value
- $164,700 ± $52,936
- Water area
- 0.04 sq mi (0.1 km²)
- State
- Illinois
- Census code (GEOID)
- 1709976238
- Coordinates (central point)
- 41.491241, -89.117420
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 Troy Grove Township
- Troy Grove (village)300 people
This place’s central point lies inside Troy Grove 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
- Dimmick Township5.5 mi south
- Mendota Township5.9 mi north
- Westfield Township, Bureau County6.1 mi southwest
- Clarion Township, Bureau County6.4 mi northwest
- Ophir Township6.9 mi east
These towns, townships, cities and boroughs share a boundary with Troy Grove Township. Distances are straight lines between central points, not driving distances.
Other townships in LaSalle County, largest first
- LaSalle Township13,287 people
- Bruce Township11,794 people
- Ottawa Township11,204 people
- Peru Township10,070 people
- South Ottawa Township8,322 people
- Northville Township7,316 people
- Mendota Township7,071 people
- Manlius Township6,100 people
- Mission Township4,054 people
- Rutland Township3,589 people
- Otter Creek Township2,642 people
- Earl Township2,574 people
All 36
- Dayton Township1,971 people
- Adams Township1,916 people
- Utica Township1,886 people
- Eagle Township1,530 people
- Eden Township1,311 people
- Serena Township1,120 people
- Brookfield Township1,038 people
- Fall River Township900 people
- Farm Ridge Township871 people
- Dimmick Township712 people
- Hope Township640 people
- Wallace Township623 people
- Waltham Township613 people
- Miller Township590 people
- Groveland Township486 people
- Ophir Township476 people
- Deer Park Township438 people
- Freedom Township432 people
- Allen Township407 people
- Meriden Township344 people
- Vermillion Township331 people
- Richland Township252 people
- Osage Township188 people
- Grand Rapids Township179 people
People counts are American Community Survey 2020–2024 5-year estimates. See LaSalle County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Troy Grove Township
- Longest day
- 15 hours 11 minutes around June 21
- Shortest day
- 9 hours 10 minutes around December 21
- Earliest sunrise
- 5:22 AM around June 14
- Latest sunrise
- 7:34 AM the day before clocks go back in November
- Earliest sunset
- 4:26 PM around December 8
- Latest sunset
- 8:34 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 | 7:20 AM | 4:51 PM | 9 h 31 min |
| Feb 15 | 6:51 AM | 5:30 PM | 10 h 39 min |
| Mar 15 | 7:08 AM | 7:02 PM | 11 h 54 min |
| Apr 15 | 6:16 AM | 7:36 PM | 13 h 20 min |
| May 15 | 5:37 AM | 8:08 PM | 14 h 31 min |
| Jun 15 | 5:22 AM | 8:32 PM | 15 h 10 min |
| Jul 15 | 5:35 AM | 8:28 PM | 14 h 53 min |
| Aug 15 | 6:05 AM | 7:56 PM | 13 h 51 min |
| Sep 15 | 6:36 AM | 7:06 PM | 12 h 30 min |
| Oct 15 | 7:08 AM | 6:15 PM | 11 h 7 min |
| Nov 15 | 6:44 AM | 4:36 PM | 9 h 52 min |
| Dec 15 | 7:15 AM | 4:27 PM | 9 h 12 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 LaSalle County or the local office.
Find the township or town where you are now or find your county.