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A Gazetteer for the United States and Canada
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Welcome to Marengo ...

The city of Marengo is located in Iowa County<1> and is the County Seat for Iowa County.

While we don't have a date for the founding of Marengo, you might consider that their post office opened in 1846.

See our Genealogy Helper Page for Marengo for more information about variations on the name of Marengo.

From the  Census Estimates for 2019, Marengo has a population of 2,465 people<2> (see below for details).

Marengo is 730 feet [223 m] above sea level.<3>.

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

Area Code for Marengo: 319

The ZIP code for Marengo: 52301<4>

Population Details ...

Taken from the 2019 Census Estimates, Marengo had an population of 2,465 people. This is a decrease of 2.49% since the 2010 Census (or a decrease of 2.76% since the 2000 Census).

At the time of the 2010 Census, Marengo had a population of 2,528 people (which is 15.48% of the total population of Iowa County). This makes Marengo the county's 2nd most populous community.

The population of Marengo represents 0.08% of the population of Iowa (which has 3,046,355 people), making it the state's 132nd most populous community.

With a 2010 count of 2,528 people, the population of Marengo has remained roughly the same as the 2000 Census (with a count of 2,535 people).

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

Communities Also Named Marengo ...

Using our Gazetteer, we found that there are 17 communities that are also named Marengo - they are located in Alabama, California, Illinois, Indiana, Kansas, Michigan, Nebraska, New York, Ohio (2), Pennsylvania, Saskatchewan, Tennessee, Virginia, Washington (2) and Wisconsin.

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

Websites for Marengo ...

Official Website: www.marengoiowa.com/

Communities near Marengo ...

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

  • Williamsburg
    (9 miles [14.5 km] to the south)
  • Fairfax
    (17 miles [27.4 km] to the northeast)
  • Belle Plaine
    (12 miles [19.3 km] to the northwest)
  • Atkins
    (17 miles [27.4 km] to the northeast)
  • Walford
    (13 miles [20.9 km] to the northeast)
    • Walford is located in Linn County
    • Jump to our Gazetteer entry for Walford
    • Population from the 2020 Census: 1,436 people
  • Brooklyn
    (19 miles [30.6 km] to the west)
  • North English
    (19 miles [30.6 km] to the south)
  • Swisher
    (19 miles [30.6 km] to the east)
  • Victor
    (12 miles [19.3 km] to the west)
  • Newhall
    (14 miles [22.5 km] to the north)

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

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

We also have a detailed list of newspapers that have been published in the area around Marengo. Our list includes 12 papers. See our Newspapers Page for Marengo.

TripAdvisor Tourism Pages for Marengo ...

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

Adding Marengo to Our Gazetteer ...

We originally found mention of Marengo 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 (so far) for Marengo was in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Marengo.

Footnotes ...

<1>If you're interested in how the shape of Iowa's counties, including Iowa, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Marengo.
<3>The elevation is an estimate for the area around Marengo - it will be higher in some places and lower in others.
<4>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 Marengo). When looking for a ZIP Code, whether Marengo or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.