Population.us

Population of Onawa, IA

Last official estimated population of Onawa city (Monona County**, Iowa state) was 2,891 (year 2014)^[1]. This was 0.001% of total US population and 0.09% of total Iowa state population. Area of Onawa city is 5.2 mi² (=13.4 km²)^[6], in this year population density was 557.25 p/mi². If population growth rate would be same as in period 2010-2014 (-0.9%/yr), Onawa city population in 2026 would be 2,592*.

Historical population

Historical population of Onawa city for period 1870-2014:

Onawa city on population map

Estimated population for 2014^[1]. Click on flag to hide it.

Population • Legends • Position

Settlements near Onawa city

• Sloan city population 15.8 mi, 334°
• Whiting city 7.6 mi, 335°
• Decatur village 8.2 mi, 259°
• Hornick city 14.1 mi, 358°
• Moorhead city 14.2 mi, 119°
• Blencoe city 6.7 mi, 176°
• Little Sioux city 15.4 mi, 167°
• Castana city 9.8 mi, 70°
• Turin city 6.4 mi, 93°
• Rodney city 14.2 mi, 30°

Sources, notices

*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