Last official estimated population of Portsmouth city (Scioto County**, Ohio state) was 20,326 (year 2014)[1]. This was 0.006% of total US population and 0.18% of total Ohio state population. Area of Portsmouth city is 11.1 mi² (=28.7 km²)[6], in this year population density was 1,835.80 p/mi². If population growth rate would be same as in period 2010-2014 (+0.12%/yr), Portsmouth city population in 2026 would be 20,629*.
Historical population of Portsmouth city for period 1820-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1820-1830] +10.09 %/yr
[1830-1840] +1.14 %/yr
[1840-1850] +10.02 %/yr
[1850-1860] +4.57 %/yr
[1860-1870] +5.39 %/yr
[1870-1880] +0.67 %/yr
[1880-1890] +0.91 %/yr
[1890-1900] +3.73 %/yr
[1900-1910] +2.77 %/yr
[1910-1920] +3.47 %/yr
[1920-1930] +2.57 %/yr
[1930-1940] -0.5 %/yr
[1940-1950] -0.95 %/yr
[1950-1960] -0.89 %/yr
[1960-1970] -1.95 %/yr
[1970-1980] -0.61 %/yr
[1980-1990] -1 %/yr
[1990-2000] -1.16 %/yr
[2000-2005] -0.74 %/yr
[2005-2010] +0.06 %/yr
[2010-2014] +0.12 %/yr
• Raceland city population
18.8 mi, 
142°
• New Boston village
1 mi, 
98°
• Worthington city
18.2 mi, 139°
• Greenup city
14.1 mi, 
152°
• South Shore city
2.2 mi, 
196°
• Wurtland city
16.9 mi, 146°
• South Webster village
12.6 mi, 
69°
• Hanging Rock village
18 mi, 137°
• Rarden village
19.5 mi, 
307°
• Otway village
14.9 mi, 
301°
*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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