Last official estimated population of Marengo city (Iowa County**, Iowa state) was 2,513 (year 2014)[1]. This was 0.001% of total US population and 0.08% of total Iowa state population. Area of Marengo city is 2.1 mi² (=5.5 km²)[6], in this year population density was 1,174.30 p/mi². If population growth rate would be same as in period 2010-2014 (-0.15%/yr), Marengo city population in 2026 would be 2,469*.
Historical population of Marengo city for period 1850-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1850-1870] +19.26 %/yr
[1870-1880] +0.26 %/yr
[1880-1890] -0.16 %/yr
[1890-1900] +1.61 %/yr
[1900-1910] -1.16 %/yr
[1910-1920] +1.38 %/yr
[1920-1930] +0.31 %/yr
[1930-1940] +0.68 %/yr
[1940-1950] -0.49 %/yr
[1950-1960] +0.51 %/yr
[1960-1970] -0.13 %/yr
[1970-1980] +0.32 %/yr
[1980-1990] +0.3 %/yr
[1990-2000] +0.67 %/yr
[2000-2005] +0.3 %/yr
[2005-2010] -0.39 %/yr
[2010-2014] -0.15 %/yr
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• Hartwick city
14.3 mi,
267°
*Calculated by population.us from last known population growth rate, not official data.
**Some cities are placed on more than one county. Only 1 county is shown.
[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016
[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016
[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016
[4] Population of the 100 Largest Urban Places: 1980,
[5] Population of the 100 Largest Urban Places in history,
[6] Area, latitude longitude data, retrieved 02/23/2016
[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb
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