Last official estimated population of Etna borough (Allegheny County**, Pennsylvania state) was 3,421 (year 2014)[1]. This was 0.001% of total US population and 0.03% of total Pennsylvania state population. Area of Etna borough is 0.8 mi² (=2.1 km²)[6], in this year population density was 4,308.56 p/mi². If population growth rate would be same as in period 2010-2014 (-0.22%/yr), Etna borough population in 2025 would be 3,340*.
Historical population of Etna borough for period 1870-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1870-1880] +4.9 %/yr
[1880-1890] +4.74 %/yr
[1890-1900] +3.8 %/yr
[1900-1910] +0.8 %/yr
[1910-1920] +0.84 %/yr
[1920-1930] +1.68 %/yr
[1930-1940] -0.37 %/yr
[1940-1950] -0.67 %/yr
[1950-1960] -1.99 %/yr
[1960-1970] +0.53 %/yr
[1970-1980] -2.46 %/yr
[1980-1990] -0.85 %/yr
[1990-2000] -0.62 %/yr
[2000-2005] -1.5 %/yr
[2005-2010] -0.99 %/yr
[2010-2014] -0.22 %/yr
• Pittsburgh city population
4.1 mi, 200°
• Wilkinsburg borough
5.3 mi, 131°
• Bellevue borough
5.6 mi, 269°
• West View borough
4.7 mi, 289°
• Fox Chapel borough
3.8 mi, 56°
• Millvale borough
1.6 mi, 233°
• Sharpsburg borough
1.5 mi, 95°
• Edgewood borough
5.6 mi, 141°
• Aspinwall borough
2.5 mi, 93°
• Blawnox borough
4.7 mi, 91°
*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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