Jefferson in numbers
- Coordinates
- 42.0153, -94.3775
- Elevation
- 325 m above sea level
- Population
- 4 204
- Region
- Iowa
- Country
- United States, North America
- Capital
- Washington, D.C. — 1505 km away
- Same name
- 41 more places in the world share this name
What time is it in Jefferson, Iowa, United States
The time in Jefferson, Iowa, United States at this very moment is shown below, in the America/Chicago zone (−5).
Jefferson, United States
Thursday, 29 October 2026
UTC−5 · America/Chicago
Local time in Jefferson
UTC−5 · daylight saving time is active
Jefferson keeps America/Chicago clock_time.
The sun today
Sunrise 7:47 AM Solar noon 1:02 PM Sunset 6:17 PM Daylight 10 h 30 min Night 13 h 30 min Civil twilight 7:19 AM – 6:46 PM
Weather in Jefferson right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Jefferson and its neighbours
Postal codes
- 01522
- 03583
- 04348
- 12093
- 15344
- 21755
- 28640
- 29718
- 30549
- 36745
- 44047
- 50129
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Iowa
- Des Moines 214 133
- Cedar Rapids 130 405
- Davenport 102 582
- Sioux City 82 821
- Iowa City 74 220
- Waterloo 68 460
Other places named Jefferson
- Jefferson Louisiana, United States
- Jefferson Georgia, United States
- Jefferson Wisconsin, United States
- Jefferson Georgia, United States
- Jefferson Oregon, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Greene County — 2.8 km
- Winkelmans — 5.9 km
- Farlin — 9.0 km
- Gravel Pit — 9.4 km
- Cooper — 10.9 km
- Green Brier — 10.9 km
Local time details for Jefferson
Close by, Greene County and Winkelmans keep time with Jefferson.
Jefferson includes 12 postal codes.
In Jefferson the time zone is America/Chicago and the offset is UTC−5. Daylight saving time used: Yes.
Today in Jefferson, daylight opens at 7:47 AM and closes at 6:17 PM. That span measures 10 h 30 min.
Questions and answers
- What time zone setting should I choose for Jefferson?
- Choose America/Chicago for Jefferson, with an offset of −5.
- Is there a spring or autumn clock change in Jefferson?
- Daylight saving in Jefferson: Yes.
- When does the sun disappear in Jefferson?
- It disappears at 6:17 PM.