Last official estimated population of Columbus Junction city (Louisa County**, Iowa state) was 1,857 (year 2014)[1]. This was 0.001% of total US population and 0.06% of total Iowa state population. Area of Columbus Junction city is 2.2 mi² (=5.7 km²)[6], in this year population density was 848.72 p/mi². If population growth rate would be same as in period 2010-2014 (-0.56%/yr), Columbus Junction city population in 2026 would be 1,736*.
Historical population of Columbus Junction city for period 1860-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1860-1870] +5.06 %/yr
[1870-1880] -0.69 %/yr
[1880-1890] +1.85 %/yr
[1890-1900] +1.44 %/yr
[1900-1910] +0.76 %/yr
[1910-1920] -1.8 %/yr
[1920-1930] -1.3 %/yr
[1930-1940] +1.18 %/yr
[1940-1950] +1.42 %/yr
[1950-1960] -1 %/yr
[1960-1970] +1.72 %/yr
[1970-1980] +1.72 %/yr
[1980-1990] +1.89 %/yr
[1990-2000] +1.08 %/yr
[2000-2005] +0.05 %/yr
[2005-2010] -0.26 %/yr
[2010-2014] -0.56 %/yr
• Wapello city population
11.6 mi, 
127°
• Winfield city
11.2 mi, 
199°
• Ainsworth city
9.9 mi, 
274°
• Grandview city
9.2 mi, 
90°
• Conesville city
7 mi, 
6°
• Letts city
7.6 mi, 
62°
• Columbus City city
1.4 mi, 200°
• Crawfordsville city
10 mi, 
243°
• Fredonia city
1.4 mi, 
73°
• Cotter city
5.3 mi, 
281°
*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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