Jefferson Township, Bremer County, Iowa
Jefferson Township is a township in Bremer County, Iowa. About 3,584 people live there (2020–2024 estimate). It covers 24.2 sq mi (62.8 km²) of land and uses Central Time. Its local government works under another unit of government.
- Population, 2020–2024 estimate
- 3,584 ± 330
- County
- Bremer County
- School district
- Denver Community School District
- Land area
- 24.2 sq mi (62.8 km²)
- Type
- TownshipGovernment under another
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $94,192 ± $5,392
- Median home value
- $255,100 ± $18,657
- Water area
- 0.03 sq mi (0.07 km²)
- State
- Iowa
- Census code (GEOID)
- 1901792205
- Coordinates (central point)
- 42.680738, -92.366096
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 Jefferson Township
- Denver (city)2,379 people
This place’s central point lies inside Jefferson 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 Vernon Township, Black Hawk County5.3 mi south
- Jackson Township5.6 mi west
- Maxfield Township5.6 mi east
- Warren Township6.5 mi north
- Washington Township7.7 mi west
These towns, townships, cities and boroughs share a boundary with Jefferson Township. Distances are straight lines between central points, not driving distances.
Other townships in Bremer County, largest first
- Fremont Township1,735 people
- Jackson Township1,471 people
- Maxfield Township1,279 people
- Polk Township916 people
- Lafayette Township619 people
- Warren Township570 people
- Frederika Township410 people
- Franklin Township400 people
- Washington Township397 people
- Dayton Township352 people
- Douglas Township342 people
- Le Roy Township273 people
All 13
- Sumner No. 2 Township266 people
People counts are American Community Survey 2020–2024 5-year estimates. See Bremer County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Jefferson Township
- Longest day
- 15 hours 20 minutes around June 21
- Shortest day
- 9 hours 2 minutes around December 21
- Earliest sunrise
- 5:30 AM around June 15
- Latest sunrise
- 7:49 AM the day before clocks go back in November
- Earliest sunset
- 4:35 PM around December 9
- Latest sunset
- 8:51 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 | 7:37 AM | 5:01 PM | 9 h 24 min |
| Feb 15 | 7:06 AM | 5:41 PM | 10 h 35 min |
| Mar 15 | 7:21 AM | 7:15 PM | 11 h 54 min |
| Apr 15 | 6:28 AM | 7:51 PM | 13 h 23 min |
| May 15 | 5:47 AM | 8:25 PM | 14 h 38 min |
| Jun 15 | 5:30 AM | 8:49 PM | 15 h 19 min |
| Jul 15 | 5:44 AM | 8:45 PM | 15 h 1 min |
| Aug 15 | 6:15 AM | 8:11 PM | 13 h 56 min |
| Sep 15 | 6:49 AM | 7:19 PM | 12 h 30 min |
| Oct 15 | 7:22 AM | 6:27 PM | 11 h 5 min |
| Nov 15 | 7:00 AM | 4:46 PM | 9 h 46 min |
| Dec 15 | 7:32 AM | 4:36 PM | 9 h 4 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 Bremer County or the local office.
Find the township or town where you are now or find your county.