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Marengo, Iowa facts for kids

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Marengo, Iowa
Iowa County Courthouse
Iowa County Courthouse
"Our town make it yours"
Location of Marengo, Iowa
Location of Marengo, Iowa
Country  United States
State  Iowa
County Iowa
 • Total 2.18 sq mi (5.64 km2)
 • Land 2.12 sq mi (5.48 km2)
 • Water 0.06 sq mi (0.16 km2)
738 ft (225 m)
 • Total 2,435
 • Density 1,151.30/sq mi (444.47/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
Area code(s) 319 Exchange: 642
FIPS code 19-49395
GNIS feature ID 0458801

Marengo is a town in and the county seat of Iowa County, Iowa, United States. It has served as the county seat since August 1845, even though it was not incorporated until July 1859. The population was 2,435 in the 2020 census, a decline from 2,535 in 2000.


Marengo was laid out in 1845 and platted in 1847. The city's name commemorates the Battle of Marengo, where Napoleon defeated the Austrian army.


According to the United States Census Bureau, the city has a total area of 2.14 square miles (5.54 km2), of which 2.08 square miles (5.39 km2) is land and 0.06 square miles (0.16 km2) is water.

The Iowa River passes north of town.


Historical population
Census Pop.
1850 50
1870 1,693
1880 1,738 2.7%
1890 1,710 −1.6%
1900 2,007 17.4%
1910 1,786 −11.0%
1920 2,048 14.7%
1930 2,112 3.1%
1940 2,260 7.0%
1950 2,151 −4.8%
1960 2,264 5.3%
1970 2,235 −1.3%
1980 2,308 3.3%
1990 2,270 −1.6%
2000 2,535 11.7%
2010 2,528 −0.3%
2020 2,435 −3.7%
U.S. Decennial Census

2010 census

As of the census of 2010, there were 2,528 people, 1,059 households, and 648 families living in the city. The population density was 1,215.4 inhabitants per square mile (469.3/km2). There were 1,154 housing units at an average density of 554.8 per square mile (214.2/km2). The racial makeup of the city was 97.3% White, 0.6% African American, 0.6% Native American, 0.4% Asian, 0.4% from other races, and 0.7% from two or more races. Hispanic or Latino of any race were 2.8% of the population.

There were 1,059 households, of which 30.5% had children under the age of 18 living with them, 45.2% were married couples living together, 10.3% had a female householder with no husband present, 5.7% had a male householder with no wife present, and 38.8% were non-families. 34.4% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.94.

The median age in the city was 41 years. 24.9% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 24% were from 25 to 44; 26.2% were from 45 to 64; and 18.1% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.

Sign entering Marengo

Arts and culture

Marengo Public Library
Marengo Public Library


The Marengo Public Library is a Carnegie library, constructed in 1904-1905, and Marengo is believed to be the smallest town in the United States to have received a donation from Andrew Carnegie for the construction of a library. The Library completed a renovation and addition in May 2007.


Local public schools in Marengo include Iowa Valley Elementary School and Iowa Valley Junior Senior High School, part of the Iowa Valley Community School District. The Iowa Valley Junior High and High School teams are the Tigers.

The Iowa Valley Tigers were the dominant 1985 State Champions in Track and Field for Class 2A, winning 45 points over the second place team's 31.50. This included Matt Zuber's Class 2A records in the long jump (24'-3") and the 110 meter high hurdles (14.1 sec).

Notable people

Images for kids

See also

Kids robot.svg In Spanish: Marengo (Iowa) para niños

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