Last official estimated population of Hartly town (Kent County**, Delaware state) was 71 (year 2014)[1]. This was 0% of total US population and 0.01% of total Delaware state population. Area of Hartly town is 0.1 mi² (=0.2 km²)[6], in this year population density was 1,203.39 p/mi². If population growth rate would be same as in period 2010-2014 (-1.03%/yr), Hartly town population in 2025 would be 63*.
Historical population of Hartly town for period 1920-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1920-1930] -19.69 %/yr
[1930-1940] +2.15 %/yr
[1940-1950] +1.07 %/yr
[1950-1960] +1.67 %/yr
[1960-1970] +0.94 %/yr
[1970-1980] -5.16 %/yr
[1980-1990] -3.15 %/yr
[1990-2000] +0.75 %/yr
[2000-2005] -1.23 %/yr
[2005-2010] -1.05 %/yr
[2010-2014] -1.03 %/yr
• Clayton town population
8.5 mi, 
30°
• Wyoming town
8.8 mi, 
116°
• Cheswold town
7.5 mi, 
60°
• Millington town
9.2 mi, 
312°
• Sudlersville town
7.6 mi, 
277°
• Kenton town
4.8 mi, 32°
• Henderson town
7.1 mi, 
204°
• Marydel town
4.3 mi, 
206°
• Barclay town
8.3 mi, 
258°
• Templeville town
3.7 mi, 
232°
*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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