Last official estimated population of Piqua city (Miami County**, Ohio state) was 20,759 (year 2014)[1]. This was 0.007% of total US population and 0.18% of total Ohio state population. Area of Piqua city is 11.9 mi² (=30.8 km²)[6], in this year population density was 1,745.19 p/mi². If population growth rate would be same as in period 2010-2014 (+0.29%/yr), Piqua city population in 2026 would be 21,487*.
Historical population of Piqua city for period 1810-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1810-1820] +2 %/yr
[1820-1830] +3.38 %/yr
[1830-1840] +11.73 %/yr
[1840-1850] +8.27 %/yr
[1850-1860] +3.49 %/yr
[1860-1870] +2.6 %/yr
[1870-1880] +0.11 %/yr
[1880-1890] +4.19 %/yr
[1890-1900] +2.96 %/yr
[1900-1910] +0.96 %/yr
[1910-1920] +1.17 %/yr
[1920-1930] +0.62 %/yr
[1930-1940] +0.02 %/yr
[1940-1950] +0.84 %/yr
[1950-1960] +0.97 %/yr
[1960-1970] +0.77 %/yr
[1970-1980] -0.13 %/yr
[1980-1990] +0.14 %/yr
[1990-2000] -0 %/yr
[2000-2005] +0.04 %/yr
[2005-2010] -0.26 %/yr
[2010-2014] +0.29 %/yr
• Troy city population
7.6 mi, 
171°
• Sidney city
10.4 mi, 
22°
• Covington village
6.1 mi, 
248°
• Bradford village
9.8 mi, 
261°
• Pleasant Hill village
8.8 mi, 
218°
• Russia village
10.4 mi, 
303°
• Fletcher village
7 mi, 
94°
• Casstown village
9.1 mi, 
138°
• Ludlow Falls village
11.7 mi, 
205°
• Lockington village
4 mi, 
4°
*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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