Last official estimated population of Johnstown city (Cambria County**, Pennsylvania state) was 20,184 (year 2014)[1]. This was 0.006% of total US population and 0.16% of total Pennsylvania state population. Area of Johnstown city is 6.1 mi² (=15.8 km²)[6], in this year population density was 3,313.74 p/mi². If population growth rate would be same as in period 2010-2014 (-0.96%/yr), Johnstown city population in 2024 would be 18,328*.
Historical population of Johnstown city for period 1840-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1840-1850] +2.95 %/yr
[1850-1860] +12.67 %/yr
[1860-1870] +3.72 %/yr
[1870-1880] +3.35 %/yr
[1880-1890] +10.04 %/yr
[1890-1900] +5.12 %/yr
[1900-1910] +4.44 %/yr
[1910-1920] +1.95 %/yr
[1920-1930] -0.05 %/yr
[1930-1940] -0.05 %/yr
[1940-1950] -0.53 %/yr
[1950-1960] -1.58 %/yr
[1960-1970] -2.36 %/yr
[1970-1980] -1.78 %/yr
[1980-1990] -2.31 %/yr
[1990-2000] -1.53 %/yr
[2000-2005] -1.53 %/yr
[2005-2010] -1.21 %/yr
[2010-2014] -0.96 %/yr
• Westmont borough population
1.8 mi, 255°
• Geistown borough
3.3 mi, 132°
• Southmont borough
1.3 mi, 214°
• Ferndale borough
2.5 mi, 180°
• Dale borough
1.2 mi, 142°
• East Conemaugh borough
2.3 mi, 49°
• Lorain borough
2.4 mi, 149°
• Brownstown borough
1.1 mi, 297°
• Daisytown borough
0.9 mi, 116°
• Franklin borough
2.1 mi, 59°
*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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