Last official estimated population of Sidney city (Shelby County**, Ohio state) was 20,905 (year 2014)[1]. This was 0.007% of total US population and 0.18% of total Ohio state population. Area of Sidney city is 12.1 mi² (=31.2 km²)[6], in this year population density was 1,733.85 p/mi². If population growth rate would be same as in period 2010-2014 (-0.38%/yr), Sidney city population in 2026 would be 19,962*.
Historical population of Sidney city for period 1830-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1830-1840] +11.5 %/yr
[1840-1850] +6.21 %/yr
[1850-1860] +4.67 %/yr
[1860-1870] +3.17 %/yr
[1870-1880] +3.13 %/yr
[1880-1890] +2.41 %/yr
[1890-1900] +1.61 %/yr
[1900-1910] +1.51 %/yr
[1910-1920] +2.66 %/yr
[1920-1930] +0.8 %/yr
[1930-1940] +0.51 %/yr
[1940-1950] +1.61 %/yr
[1950-1960] +2.47 %/yr
[1960-1970] +1.08 %/yr
[1970-1980] +0.78 %/yr
[1980-1990] +0.71 %/yr
[1990-2000] +0.76 %/yr
[2000-2005] +0.47 %/yr
[2005-2010] +0.29 %/yr
[2010-2014] -0.38 %/yr
• Piqua city population
10.4 mi,
202°
• Anna village
7.4 mi,
356°
• Fort Loramie village
11.4 mi,
289°
• Jackson Center village
12.3 mi,
32°
• Botkins village
11.3 mi,
356°
• Quincy village
10.4 mi,
87°
• Fletcher village
10.6 mi,
164°
• Port Jefferson village
4.8 mi,
54°
• Kettlersville village
11.1 mi,
335°
• Lockington village
6.8 mi,
213°
*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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