Last official estimated population of Harpers Ferry city (Allamakee County**, Iowa state) was 323 (year 2014)[1]. This was 0% of total US population and 0.01% of total Iowa state population. Area of Harpers Ferry city is 0.6 mi² (=1.7 km²)[6], in this year population density was 500.00 p/mi². If population growth rate would be same as in period 2010-2014 (-0.38%/yr), Harpers Ferry city population in 2026 would be 308*.
Historical population of Harpers Ferry city for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1910-1920] +1 %/yr
[1920-1930] -1.26 %/yr
[1930-1940] +2.25 %/yr
[1940-1950] -3.53 %/yr
[1950-1960] -1.76 %/yr
[1960-1970] +0.73 %/yr
[1970-1980] +1.29 %/yr
[1980-1990] +0.86 %/yr
[1990-2000] +1.56 %/yr
[2000-2005] -0.18 %/yr
[2005-2010] +0.18 %/yr
[2010-2014] -0.38 %/yr
• Prairie du Chien city population
10.9 mi, 
176°
• Lansing city
11.5 mi, 
342°
• McGregor city
12 mi, 
187°
• Marquette city
11 mi, 190°
• Eastman village
6.5 mi, 
112°
• Mount Sterling village
13.8 mi, 
54°
• Ferryville village
10.9 mi, 
15°
• Waterville city
7.2 mi, 
274°
• Steuben village
14.9 mi, 
94°
• Lynxville village
6.3 mi, 
55°
*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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