Last official estimated population of Grafton city (Worth County**, Iowa state) was 255 (year 2014)[1]. This was 0% of total US population and 0.01% of total Iowa state population. Area of Grafton city is 0.3 mi² (=0.8 km²)[6], in this year population density was 784.62 p/mi². If population growth rate would be same as in period 2010-2014 (+0.3%/yr), Grafton city population in 2026 would be 264*.
Historical population of Grafton city for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] +1.61 %/yr
[1910-1920] +2.44 %/yr
[1920-1930] +0.67 %/yr
[1930-1940] -17.36 %/yr
[1940-1950] +1.75 %/yr
[1950-1960] +0.66 %/yr
[1960-1970] +18.38 %/yr
[1970-1980] +0.04 %/yr
[1980-1990] -0.4 %/yr
[1990-2000] +1.7 %/yr
[2000-2005] -1.42 %/yr
[2005-2010] -1.37 %/yr
[2010-2014] +0.3 %/yr
• Osage city population
13.4 mi, 
104°
• Northwood city
10.8 mi, 
316°
• Nora Springs city
13.2 mi, 
166°
• Manly city
7.3 mi, 
246°
• St. Ansgar city
8.3 mi, 
65°
• Plymouth city
6.4 mi, 
205°
• Kensett city
7.3 mi, 
282°
• Rock Falls city
8.6 mi, 
186°
• Mitchell city
10 mi, 
93°
• Carpenter city
6.4 mi, 
23°
*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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