Welcome to De Long ...

De Long is located in Knox County<1>.

We aren't confident of the location of De Long, so consider the above location as an estimate.<2>

The pronunciation of De Long: duh-LAWNG<3>

While we don't have a date for the founding of De Long, you might get a feel for it by knowing that during our research the earliest mention that we found (so far) was in a book dated 1895.

De Long is 670 feet [204 m] above sea level.<4>.

Time Zone: De Long lies in the Central Time Zone (CST/CDT) and observes daylight saving time

De Long is within the (309) area code.

Communities Also Named De Long ...

Using our Gazetteer, we found that there are two Illinois communities named De Long: This one is located in Knox County and the other is located in Vermilion County.

For more information, see our Tidbits & Trivia Page for De Long.

Communities near De Long ...

We have created a list of 10 communities that are near De Long.

• Galesburg
  (9 miles [14.5 km] to the north)
  • Jump to our Gazetteer entry for Galesburg
  • Galesburg is located in Knox County
  • Population from the 2020 Census: 29,803 people
  • Jump to TripAdvisor's Tourism page for Galesburg <5>
• Monmouth
  (18 miles [29 km] to the west)
  • Note: The GPS coordinates that we are using for Monmouth have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Monmouth
  • Monmouth is located in Warren County
  • Population from the 2020 Census: 8,801 people
  • Jump to TripAdvisor's Tourism page for Monmouth <5>
• Abingdon
  (5 miles [8 km] to the west)
  • Jump to our Gazetteer entry for Abingdon
  • Abingdon is located in Knox County
  • Population from the 2020 Census: 3,008 people
  • Jump to TripAdvisor's Tourism page for Abingdon <5>
• Knoxville
  (6 miles [9.7 km] to the north)
  • Note: The GPS coordinates that we are using for Knoxville have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Knoxville
  • Knoxville is located in Knox County
  • Population from the 2020 Census: 2,692 people
  • Jump to TripAdvisor's Tourism page for Knoxville <5>
• Farmington
  (17 miles [27.4 km] to the southeast)
  • Jump to our Gazetteer entry for Farmington
  • Farmington is located in Fulton County
  • Population from the 2020 Census: 2,181 people
  • Jump to TripAdvisor's Tourism page for Farmington <5>
• Elmwood
  (17 miles [27.4 km] to the east)
  • Jump to our Gazetteer entry for Elmwood
  • Elmwood is located in Peoria County
  • Population from the 2020 Census: 1,995 people
  • Jump to TripAdvisor's Tourism page for Elmwood <5>
• Roseville
  (19 miles [30.6 km] to the west)
  • Jump to our Gazetteer entry for Roseville
  • Roseville is located in Warren County
  • Population from the 2020 Census: 885 people
  • Jump to TripAdvisor's Tourism page for Roseville <5>
• Wataga
  (14 miles [22.5 km] to the north)
  • Note: The GPS coordinates that we are using for Wataga have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Wataga
  • Wataga is located in Knox County
  • Population from the 2020 Census: 773 people
  • Jump to TripAdvisor's Tourism page for Wataga <5>
• East Galesburg
  (8 miles [12.9 km] to the north)
  • Note: The GPS coordinates that we are using for East Galesburg have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for East Galesburg
  • East Galesburg is located in Knox County
  • Population from the 2020 Census: 761 people
• Avon
  (12 miles [19.3 km] to the southwest)
  • Note: The GPS coordinates that we are using for Avon have been provided by the GNIS.<6> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Avon
  • Avon is located in Fulton County
  • Population from the 2020 Census: 699 people
  • Jump to TripAdvisor's Tourism page for Avon <5>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around De Long. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for De Long.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of De Long. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around De Long.

We also have a detailed list of newspapers that have been published in the area around De Long. See our Newspapers Page for De Long.

TripAdvisor Tourism Pages for De Long ...

Looking for more information about De Long? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

While we are unaware of a Tourism page that is specific to De Long, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for De Long.

Adding De Long to Our Gazetteer ...

We originally found mention of De Long in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for De Long was in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for De Long.

Off-the-Road Links ...

Unfortunately, we don't know of a website for De Long. If you can help, please contact us through our Feedback Page.

The official website for State of Illinois: https://illinois.gov