Last official estimated population of Brentwood borough (Allegheny County**, Pennsylvania state) was 9,563 (year 2014)[1]. This was 0.003% of total US population and 0.07% of total Pennsylvania state population. Area of Brentwood borough is 1.4 mi² (=3.7 km²)[6], in this year population density was 6,608.85 p/mi². If population growth rate would be same as in period 2010-2014 (-0.21%/yr), Brentwood borough population in 2024 would be 9,366*.
Historical population of Brentwood borough for period 1920-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1920-1930] +12.25 %/yr
[1930-1940] +3.45 %/yr
[1940-1950] +5.2 %/yr
[1950-1960] +0.9 %/yr
[1960-1970] +0.04 %/yr
[1970-1980] -1.44 %/yr
[1980-1990] -0.89 %/yr
[1990-2000] -0.4 %/yr
[2000-2005] -1.07 %/yr
[2005-2010] -0.55 %/yr
[2010-2014] -0.21 %/yr
• West Mifflin borough population
3.9 mi, 106°
• Baldwin borough
1.6 mi, 74°
• Whitehall borough
1.2 mi, 219°
• Munhall borough
4.2 mi, 70°
• Dormont borough
3.6 mi, 293°
• Pleasant Hills borough
3.1 mi, 164°
• Castle Shannon borough
2.3 mi, 258°
• Mount Oliver borough
2.7 mi, 348°
• Homestead borough
4.2 mi, 55°
• West Homestead borough
3.7 mi, 67°
*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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