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Calmar, Iowa
Calmar Passenger Depot
Calmar Passenger Depot
"If you lived in Calmar, you'd be home now!"
Location of Calmar, Iowa
Location of Calmar, Iowa
Country  United States
State  Iowa
County Winneshiek
 • Total 1.10 sq mi (2.86 km2)
 • Land 1.10 sq mi (2.86 km2)
 • Water 0.00 sq mi (0.00 km2)
1,260 ft (384 m)
 • Total 1,125
 • Density 1,018.10/sq mi (392.93/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
Area code(s) 563
FIPS code 19-10045
GNIS feature ID 0455057
Website City of Calmar, Iowa Website

Calmar is a city in Winneshiek County, Iowa, United States. The population was 1125 at the 2020 census. It is at the junction of U.S. Route 52 and State highways 150 and 24, with both state routes terminating in Calmar.


Calmar was platted in 1854. It was named after Kalmar, a city in Sweden.

The settlement experienced growth in 1868 when the railroad was built through it. Calmar was incorporated on July 14, 1869.


Calmar is located at 43°10′55″N 91°51′59″W / 43.18194°N 91.86639°W / 43.18194; -91.86639 (43.182054, -91.866446).

According to the United States Census Bureau, the city has a total area of 1.07 square miles (2.77 km2), all of it land.


Historical populations
Year Pop. ±%
1880 617 —    
1890 813 +31.8%
1900 1,003 +23.4%
1910 849 −15.4%
1920 1,039 +22.4%
1930 915 −11.9%
1940 903 −1.3%
1950 937 +3.8%
1960 954 +1.8%
1970 1,008 +5.7%
1980 1,053 +4.5%
1990 1,026 −2.6%
2000 1,058 +3.1%
2010 978 −7.6%
2020 1,125 +15.0%
Source: and Iowa Data Center
U.S. Decennial Census
The population of Calmar, Iowa from US census data

2010 census

As of the census of 2010, there were 978 people, 444 households, and 252 families living in the city. The population density was 914.0 inhabitants per square mile (352.9/km2). There were 492 housing units at an average density of 459.8 per square mile (177.5/km2). The racial makeup of the city was 98.0% White, 0.3% African American, 0.1% Asian, 0.6% from other races, and 1.0% from two or more races. Hispanic or Latino of any race were 2.0% of the population.

There were 444 households, of which 27.0% had children under the age of 18 living with them, 43.9% were married couples living together, 9.9% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 43.2% were non-families. 31.5% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.84.

The median age in the city was 34.9 years. 21.5% of residents were under the age of 18; 13.7% were between the ages of 18 and 24; 23.9% were from 25 to 44; 27.7% were from 45 to 64; and 13.2% were 65 years of age or older. The gender makeup of the city was 51.7% male and 48.3% female.


Calmar is home to one of two campuses of Northeast Iowa Community College.

The community is within the South Winneshiek Community School District. South Winneshiek High School is in Calmar. Its elementary and middle schools are in Ossian.

CFS Catholic School formed as a consolidation of Catholic schools in Calmar, Festina, and Spillville. Prior to fall 2020 its campuses are St. Aloysius Center in Calmar and St. Wenceslaus Center in Spillville. In 2019 CFS and St. Theresa of Calcutta in Ossian announced plans to consolidate into a single school, with the Calmar campus closing. Beginning fall 2020 the Ossian campus will house grades K-2 and middle school while the Spillville campus will house grades 3-4.

Notable person

  • John Brayshaw Kaye - poet and former mayor of Calmar

See also

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

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