Last official estimated population of Marietta city (Washington County**, Ohio state) was 13,954 (year 2014)[1]. This was 0.004% of total US population and 0.12% of total Ohio state population. Area of Marietta city is 8.7 mi² (=22.7 km²)[6], in this year population density was 1,595.11 p/mi². If population growth rate would be same as in period 2010-2014 (-0.23%/yr), Marietta city population in 2026 would be 13,568*.
Historical population of Marietta city for period 1800-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1800-1810] +3.73 %/yr
[1810-1820] +4.89 %/yr
[1820-1830] +4.93 %/yr
[1830-1840] +4.16 %/yr
[1840-1850] +5.76 %/yr
[1850-1860] +3.13 %/yr
[1860-1870] +1.9 %/yr
[1870-1880] +0.42 %/yr
[1880-1890] +4.27 %/yr
[1890-1900] +4.9 %/yr
[1900-1910] -0.32 %/yr
[1910-1920] +1.6 %/yr
[1920-1930] -0.58 %/yr
[1930-1940] +0.18 %/yr
[1940-1950] +0.96 %/yr
[1950-1960] +0.51 %/yr
[1960-1970] +0.01 %/yr
[1970-1980] -0.24 %/yr
[1980-1990] -0.73 %/yr
[1990-2000] -0.42 %/yr
[2000-2005] -0.4 %/yr
[2005-2010] -0.42 %/yr
[2010-2014] -0.23 %/yr
• Parkersburg city population
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204°
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213°
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218°
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1.6 mi, 
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13.1 mi, 
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• Beverly village
13.4 mi, 
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10.3 mi, 
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• North Hills town
8 mi, 205°
• Lowell village
8 mi, 
336°
• Lower Salem village
10.2 mi, 
16°
*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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