Welcome to Hennepin ...
The village of Hennepin is located in Putnam County<1> and is the County Seat for Putnam County.
The location of Hennepin has been provided by the Geographic Names Information System (the GNIS).<2>
The pronunciation of Hennepin: HEN-nuh-pin<3>
While we don't have a date for the founding of Hennepin, you might consider that their post office opened in 1831.
From the Census Estimates for 2019, Hennepin has a population of 707 people<4> (see below for details).
Hennepin is 540 feet [165 m] above sea level.<5>.
Time Zone: Hennepin lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Telephone area codes for Hennepin: (815) and (779)<6>
The ZIP code for Hennepin: 61327<7>
Population Details ...
Taken from the 2019 Census Estimates, Hennepin had an population of 707 people. This is a decrease of 6.61% since the 2010 Census.
At the time of the 2010 Census, Hennepin had a population of 757 people (which is 12.59% of the total population of Putnam County). This makes Hennepin the county's 2nd most populous community.
With a 2010 count of 757 people, the population of Hennepin increased 7.07% from the 2000 Census (which had a count of 707 people).
More information can be found on the Census Page for Hennepin.
Communities Also Named Hennepin ...
Using our Gazetteer, we found that there are 2 communities that are also named Hennepin - they are located in Oklahoma and Quebec.
For more information, see our Tidbits & Trivia Page for Hennepin.
Communities near Hennepin ...
We have created a list of 10 communities that are near Hennepin.
- Peru
(11 miles [17.7 km] to the northeast)- Jump to our Gazetteer entry for Peru
- Peru is located in La Salle County
- Population from the 2020 Census: 9,612 people
- Jump to TripAdvisor's Tourism page for Peru <8>
- La Salle
(14 miles [22.5 km] to the northeast)- Note: The GPS coordinates that we are using for La Salle have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for La Salle
- La Salle is located in La Salle County
- Population from the 2020 Census: 8,897 people
- Jump to TripAdvisor's Tourism page for La Salle <8>
- Princeton
(11 miles [17.7 km] to the northwest)- Jump to our Gazetteer entry for Princeton
- Princeton is located in Bureau County
- Population from the 2020 Census: 7,403 people
- Jump to TripAdvisor's Tourism page for Princeton <8>
- Spring Valley
(8 miles [12.9 km] to the northeast)- Note: The GPS coordinates that we are using for Spring Valley have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Spring Valley
- Spring Valley is located in Bureau County
- Population from the 2020 Census: 5,065 people
- Jump to TripAdvisor's Tourism page for Spring Valley <8>
- Oglesby
(13 miles [20.9 km] to the east)- Jump to our Gazetteer entry for Oglesby
- Oglesby is located in La Salle County
- Population from the 2020 Census: 3,526 people
- Jump to TripAdvisor's Tourism page for Oglesby <8>
- Henry
(9 miles [14.5 km] to the south)- Note: The GPS coordinates that we are using for Henry have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Henry
- Henry is located in Marshall County
- Population from the 2020 Census: 2,230 people
- Jump to TripAdvisor's Tourism page for Henry <8>
- Lacon
(16 miles [25.7 km] to the south)- Note: The GPS coordinates that we are using for Lacon have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Lacon
- Lacon is located in Marshall County
- Population from the 2020 Census: 1,713 people
- Jump to TripAdvisor's Tourism page for Lacon <8>
- De Pue
(5 miles [8 km] to the north) - North Utica
(16 miles [25.7 km] to the northeast)- Note: The GPS coordinates that we are using for North Utica have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for North Utica
- North Utica is located in La Salle County
- Population from the 2020 Census: 1,333 people
- Granville
(4 miles [6.4 km] to the east)- Jump to our Gazetteer entry for Granville
- Granville is located in Putnam County
- Population from the 2020 Census: 1,298 people
- Jump to TripAdvisor's Tourism page for Granville <8>
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 Hennepin. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Hennepin.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Hennepin. 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 Hennepin.
We also have a detailed list of newspapers that have been published in the area around Hennepin. Our list includes 13 papers. See our Newspapers Page for Hennepin.
TripAdvisor Tourism Pages for Hennepin ...
Looking for more information about Hennepin? 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.
In addition to the Tourism page for Hennepin, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Hennepin.
Adding Hennepin to Our Gazetteer ...
We originally found mention of Hennepin 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 Hennepin was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>
From that list, the Hennepin post office opened in 1831.
We also found Hennepin in the book titled U.S. Post Offices (Oct. 1846).
For more details, see References and Mentions for Hennepin.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Hennepin. If you can help, please contact us through our Feedback Page.
The official website for State of Illinois: https://illinois.gov
Footnotes ...
| <1> | If you're interested in how the shape of Illinois' counties, including Putnam, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <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> | The pronunciation we've provided is our attempt to give a phonetic pronunciation for Hennepin. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page. |
| <4> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Hennepin. |
| <5> | The elevation is an estimate for the area around Hennepin - it will be higher in some places and lower in others. |
| <6> | Area code (779) is an overlay for area code (815). |
| <7> | ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a village (such as Hennepin). When looking for a ZIP Code, whether Hennepin or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <8> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <9> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |