Lyndon Township, Whiteside County, Illinois
Lyndon Township is a township in Whiteside County, Illinois. About 656 people live there (2020–2024 estimate). It covers 27.3 sq mi (70.7 km²) of land and uses Central Time. It has its own local government.
- Population, 2020–2024 estimate
- 656 ± 156
- County
- Whiteside County
- School district
- Prophetstown-Lyndon-Tampico Community Unit School District 3
- Land area
- 27.3 sq mi (70.7 km²)
- Type
- TownshipIts own local government
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $64,375 ± $11,094
- Median home value
- $134,100 ± $56,147
- Water area
- 0.81 sq mi (2.11 km²)
- State
- Illinois
- Census code (GEOID)
- 1719545291
- Coordinates (central point)
- 41.736022, -89.910033
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 Lyndon Township
- Lyndon (village)433 people
This place’s central point lies inside Lyndon 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
- Mount Pleasant Township4.6 mi north
- Hume Township5.7 mi east
- Hopkins Township6.7 mi northeast
- Fenton Township6.8 mi west
- Prophetstown Township6.8 mi south
These towns, townships, cities and boroughs share a boundary with Lyndon Township. Distances are straight lines between central points, not driving distances.
Other townships in Whiteside County, largest first
- Sterling Township17,089 people
- Coloma Township10,446 people
- Mount Pleasant Township4,720 people
- Fulton Township4,303 people
- Montmorency Township2,539 people
- Prophetstown Township2,527 people
- Hopkins Township2,148 people
- Erie Township1,930 people
- Union Grove Township1,419 people
- Garden Plain Township1,161 people
- Tampico Township859 people
- Jordan Township838 people
All 21
- Albany Township823 people
- Genesee Township615 people
- Fenton Township600 people
- Hume Township574 people
- Newton Township489 people
- Ustick Township410 people
- Portland Township404 people
- Clyde Township258 people
- Hahnaman Township139 people
People counts are American Community Survey 2020–2024 5-year estimates. See Whiteside County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Lyndon Township
- Longest day
- 15 hours 12 minutes around June 21
- Shortest day
- 9 hours 9 minutes around December 21
- Earliest sunrise
- 5:24 AM around June 15
- Latest sunrise
- 7:37 AM the day before clocks go back in November
- Earliest sunset
- 4:28 PM around December 8
- Latest sunset
- 8:38 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 | 7:24 AM | 4:53 PM | 9 h 29 min |
| Feb 15 | 6:55 AM | 5:32 PM | 10 h 37 min |
| Mar 15 | 7:11 AM | 7:06 PM | 11 h 55 min |
| Apr 15 | 6:19 AM | 7:40 PM | 13 h 21 min |
| May 15 | 5:40 AM | 8:12 PM | 14 h 32 min |
| Jun 15 | 5:24 AM | 8:36 PM | 15 h 12 min |
| Jul 15 | 5:38 AM | 8:32 PM | 14 h 54 min |
| Aug 15 | 6:07 AM | 7:59 PM | 13 h 52 min |
| Sep 15 | 6:39 AM | 7:09 PM | 12 h 30 min |
| Oct 15 | 7:11 AM | 6:18 PM | 11 h 7 min |
| Nov 15 | 6:48 AM | 4:39 PM | 9 h 51 min |
| Dec 15 | 7:19 AM | 4:29 PM | 9 h 10 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 Whiteside County or the local office.
Find the township or town where you are now or find your county.