Last official estimated population of Hartford city (Warren County**, Iowa state) was 760 (year 2014)[1]. This was 0% of total US population and 0.02% of total Iowa state population. Area of Hartford city is 1.0 mi² (=2.5 km²)[6], in this year population density was 774.72 p/mi². If population growth rate would be same as in period 2010-2014 (-0.36%/yr), Hartford city population in 2026 would be 728*.
Historical population of Hartford city for period 1880-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1880-1920] -0.51 %/yr
[1920-1930] -0.52 %/yr
[1930-1940] 0 %/yr
[1940-1950] +0.66 %/yr
[1950-1960] +2.06 %/yr
[1960-1970] +7.94 %/yr
[1970-1980] +2.72 %/yr
[1980-1990] +0.1 %/yr
[1990-2000] -0.13 %/yr
[2000-2005] +0.03 %/yr
[2005-2010] +0.29 %/yr
[2010-2014] -0.36 %/yr
• Indianola city population
10.6 mi, 
231°
• Pleasant Hill city
11.1 mi, 
331°
• Carlisle city
5.9 mi, 
315°
• Prairie City city
12.8 mi, 
42°
• Pleasantville city
8.5 mi, 
125°
• Milo city
11.8 mi, 
188°
• Runnells city
4.5 mi, 
30°
• Ackworth city
7.3 mi, 
209°
• Swan city
5 mi, 
82°
• Sandyville city
6.1 mi, 
170°
*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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