Last official estimated population of St. Marys city (Elk County**, Pennsylvania state) was 12,793 (year 2014)[1]. This was 0.004% of total US population and 0.1% of total Pennsylvania state population. Area of St. Marys city is 99.5 mi² (=257.8 km²)[6], in this year population density was 128.54 p/mi². If population growth rate would be same as in period 2010-2014 (-0.53%/yr), St. Marys city population in 2025 would be 12,061*.
Historical population of St. Marys city for period 1860-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1860-1870] +4.59 %/yr
[1870-1880] +3.31 %/yr
[1880-1890] +1.52 %/yr
[1890-1900] +9.43 %/yr
[1900-1910] +3.98 %/yr
[1910-1920] +0.94 %/yr
[1920-1930] +0.64 %/yr
[1930-1940] +0.31 %/yr
[1940-1950] +0.25 %/yr
[1950-1960] +0.28 %/yr
[1960-1970] -0.76 %/yr
[1970-1980] -1.51 %/yr
[1980-1990] +8.18 %/yr
[1990-2000] +0.3 %/yr
[2000-2005] -1.1 %/yr
[2005-2010] -0.97 %/yr
[2010-2014] -0.53 %/yr
• DuBois city population
26.1 mi, 
208°
• Ridgway borough
10.8 mi, 
261°
• Kane borough
20.7 mi, 
313°
• Johnsonburg borough
8.6 mi, 
287°
• Brockway borough
20.1 mi, 
224°
• Emporium borough
15.3 mi, 
75°
• Smethport borough
24.6 mi, 
9°
• Mount Jewett borough
19.9 mi, 
341°
• Austin borough
25.5 mi, 
60°
• Driftwood borough
21.9 mi, 
110°
*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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