Population.us > Settlements > Iowa > Irwin city

Population of Irwin, IA

Last official estimated population of Irwin city (Shelby County**, Iowa state) was 334 (year 2014)[1]. This was 0% of total US population and 0.01% of total Iowa state population. Area of Irwin city is 0.6 mi² (=1.5 km²)[6], in this year population density was 560.40 p/mi². If population growth rate would be same as in period 2010-2014 (-0.52%/yr), Irwin city population in 2024 would be 317*.


Historical population

Historical population of Irwin city for period 1900-2014:

Irwin city on population map

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

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Annual growth rate

[1900-1910] -0.59 %/yr
[1910-1920] +1.13 %/yr
[1920-1930] +1.39 %/yr
[1930-1940] -0.34 %/yr
[1940-1950] +1 %/yr
[1950-1960] +1.1 %/yr
[1960-1970] +0.48 %/yr
[1970-1980] -0.43 %/yr
[1980-1990] -0.8 %/yr
[1990-2000] -0.57 %/yr
[2000-2005] -0.93 %/yr
[2005-2010] -0.8 %/yr
[2010-2014] -0.52 %/yr

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Settlements near Irwin city

Harlan city population 11.5 mi, 212°
Manning city 11 mi, 41°
Manilla city 7.2 mi, 348°
Earling city 11 mi, 264°
Defiance city 7.3 mi, 289°
Westphalia city 10.8 mi, 243°
Kirkman city 5.3 mi, 216°
Gray city 11.9 mi, 72°
Buck Grove city 13.1 mi, 312°
Aspinwall city 9.1 mi, 23°


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

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