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Welcome to Hammond ...

The city of Hammond is located in Lake County<1>.

Hammond was established in 1884.

When the people of Hammond refer to themselves (known as a demonym), they frequently use Hammondite<2>

From the  Census Estimates for 2019, Hammond has a population of 75,638 people<3> (see below for details).

The community of Hammond is 590 feet [180 m] above sea level.<4>.

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

Note: If you travel east from Hammond (for example, toward New Carlisle), you will leave Central Time and cross into the Eastern Time Zone (EST/EDT).

Hammond is within the boundaries of the (219) area code.

The ZIP codes for Hammond: 46320, 46323-46325, 46327<5>

Websites for Hammond ...

Official Website:

Population Details ...

Taken from the 2019 Census Estimates, Hammond had an population of 75,638 people. This is a decrease of 6.42% since the 2010 Census (or a decrease of 8.92% since the 2000 Census).

At the time of the 2010 Census, Hammond had a population of 80,830 people (or 16.3% of the total population of Lake County). This makes Hammond the county's most populous community.

The population of Hammond represents 1.25% of the total population of Indiana (which has 6,483,802 people), making it the state's 5th most populous community.

With a 2010 count of 80,830 people, the population of Hammond decreased 2.67% from the 2000 Census (with a count of 83,048 people).

More information can be found on the Census Page for Hammond.

Communities Also Named Hammond ...

Using our Gazetteer, we found that there are 33 communities that are also named Hammond - they are located in California (2), Florida (2), Georgia, Illinois, Kansas, Kentucky (2), Louisiana, Maine, Michigan (3), Minnesota, Missouri, Montana, Nebraska, New York (2), Ontario, Oregon, Pennsylvania (3), South Carolina (4), Texas (2), West Virginia and Wisconsin.

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

Communities near Hammond ...

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

  • Gary
    (7 miles [11.3 km] to the east)
    • Jump to our Gazetteer entry for Gary
    • Gary is located in Lake County
    • Population from the 2020 Census: 74,693 people
    • Jump to TripAdvisor's Tourism page for Gary <6>
  • Orland Park
    (18 miles [29 km] to the west)
  • Tinley Park
    (15 miles [24.1 km] to the west)
    • Note: The GPS coordinates that we are using for Tinley Park have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Tinley Park
    • Tinley Park is located in Cook County (IL)
    • Population from the 2020 Census: 55,221 people
    • Jump to TripAdvisor's Tourism page for Tinley Park <6>
  • Oak Lawn
    (15 miles [24.1 km] to the northwest)
    • Note: The GPS coordinates that we are using for Oak Lawn have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Oak Lawn
    • Oak Lawn is located in Cook County (IL)
    • Population from the 2020 Census: 54,376 people
    • Jump to TripAdvisor's Tourism page for Oak Lawn <6>
  • Portage
    (16 miles [25.7 km] to the east)
  • Merrillville
    (11 miles [17.7 km] to the southeast)
  • Crown Point
    (14 miles [22.5 km] to the southeast)
  • Chicago Heights
    (9 miles [14.5 km] to the southwest)
  • Schererville
    (7 miles [11.3 km] to the southeast)
    • Note: The GPS coordinates that we are using for Schererville have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Schererville
    • Schererville is located in Lake County
    • Population from the 2020 Census: 28,593 people
    • Jump to TripAdvisor's Tourism page for Schererville <6>
  • Burbank
    (17 miles [27.4 km] to the northwest)
    • Jump to our Gazetteer entry for Burbank
    • Burbank is located in Cook County (IL)
    • Population from the 2020 Census: 27,933 people
    • Jump to TripAdvisor's Tourism page for Burbank <6>

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 Hammond. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Hammond.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Hammond. 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 Hammond.

We also have a detailed list of newspapers that have been published in the area around Hammond. Our list includes 7 papers. See our Newspapers Page for Hammond.

TripAdvisor Tourism Pages for Hammond ...

Looking for more information about Hammond? 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 Hammond, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Hammond.

Adding Hammond to Our Gazetteer ...

We originally found mention of Hammond 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 Hammond was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

From that list, the Hammond post office opened in 1873.

We also found Hammond in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Hammond.

The official website for Hammond:

The official website for Lake County:

The official website for State of Indiana:

Footnotes ...

<1>If you're interested in how the shape of Indiana's counties, including Lake, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of Hammond refer to themselves. It's important to note that there aren't any rules for taking a city's name and turning it into a demonym. A demonym is informal and while the majority of Hammond may use one name, keep in mind that others may use something different.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Hammond.
<4>The elevation is an estimate for the area around Hammond - it will be higher in some places and lower in others.
<5>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 city (such as Hammond). When looking for a ZIP Code, whether Hammond or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for Hammond includes: 46320, 46323, 46324 & 46325.
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>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.
<8>A copy of their list with background information can be found at:


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This page was last modified/updated: 24 Feb 2024