Welcome to Jefferson County ...
Time Zone: Jefferson County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.
The community of Mount Vernon is the Seat for Jefferson County.
Jefferson County was founded in 1819. Jefferson was created by taking area from Edwards and White Counties.
From the Census Estimates for 2019, <1> Jefferson had a population of 37,635 people. This is a decrease of 3.07% since the last Census (which gave a population of 38,827 people in 2010).
At the time of the 2010 Census, Jefferson represented 0.3% of the total population of Illinois.
Below are some of the communities located in Jefferson County:
- Belle Rive
(10 miles [16.1 km] to the southeast)
- Note: The GPS coordinates that we are using for Belle Rive have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Belle Rive
- Belle Rive is located in Jefferson County (IL)
- Population from the 2020 Census: 347 people
- Jump to TripAdvisor's Tourism page for Belle Rive <3>
- Bluford
(9 miles [14.5 km] to the east)
- Note: The GPS coordinates that we are using for Bluford have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Bluford
- Bluford is located in Jefferson County (IL)
- Population from the 2020 Census: 660 people
- Jump to TripAdvisor's Tourism page for Bluford <3>
- Bonnie
(7 miles [11.3 km] to the south)
- Note: The GPS coordinates that we are using for Bonnie have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Bonnie
- Bonnie is located in Jefferson County (IL)
- Population from the 2020 Census: 380 people
- Jump to TripAdvisor's Tourism page for Bonnie <3>
- Dix
(9 miles [14.5 km] to the north)
- Jump to our Gazetteer entry for Dix
- Dix is located in Jefferson County (IL)
- Population from the 2020 Census: 428 people
- Jump to TripAdvisor's Tourism page for Dix <3>
- Ina
(11 miles [17.7 km] to the south)
- Jump to our Gazetteer entry for Ina
- Ina is located in Jefferson County (IL)
- Population from the 2020 Census: 2,279 people
- Jump to TripAdvisor's Tourism page for Ina <3>
- Mount Vernon
(Less than 2 miles to the northeast)
- Nason
(9 miles [14.5 km] to the south)
- Note: The GPS coordinates that we are using for Nason have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Nason
- Nason is located in Jefferson County (IL)
- Population from the 2020 Census: 228 people
- Jump to TripAdvisor's Tourism page for Nason <3>
- Waltonville
(9 miles [14.5 km] to the southwest)
- Woodlawn
(6 miles [9.7 km] to the west)
Websites of Interest ...
- Websites specific to Illinois
- Websites specific to Jefferson County
- Websites for nearby counties
- Franklin County
- Hamilton County
- Marion County
- Perry County
- Washington County
- Wayne County
- Cemetery Information and Directories
Footnotes ...
| <1> | On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. |
| <2> | The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required. |
| <3> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |