Last official estimated population of Charter Oak city (Crawford County**, Iowa state) was 498 (year 2014)[1]. This was 0% of total US population and 0.02% of total Iowa state population. Area of Charter Oak city is 0.5 mi² (=1.3 km²)[6], in this year population density was 1,028.93 p/mi². If population growth rate would be same as in period 2010-2014 (-0.2%/yr), Charter Oak city population in 2026 would be 486*.
Historical population of Charter Oak city for period 1890-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1890-1900] +3.13 %/yr
[1900-1910] -0.5 %/yr
[1910-1920] +0.22 %/yr
[1920-1930] -0.86 %/yr
[1930-1940] +1.21 %/yr
[1940-1950] -0.88 %/yr
[1950-1960] -0.65 %/yr
[1960-1970] +0.73 %/yr
[1970-1980] -1.5 %/yr
[1980-1990] -1.93 %/yr
[1990-2000] +0.5 %/yr
[2000-2005] -0.72 %/yr
[2005-2010] -0.43 %/yr
[2010-2014] -0.2 %/yr
• Denison city population
12.7 mi, 
106°
• Mapleton city
12.4 mi, 
303°
• Schleswig city
10.2 mi, 
51°
• Dow City city
10.8 mi, 
153°
• Ute city
6.1 mi, 
258°
• Danbury city
13.5 mi, 
329°
• Deloit city
14.1 mi, 
81°
• Soldier city
11.4 mi, 
239°
• Ricketts city
4.2 mi, 
10°
• Arion city
10.5 mi, 
141°
*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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