Last official estimated population of Sykesville borough (Jefferson County**, Pennsylvania state) was 1,141 (year 2014)[1]. This was 0% of total US population and 0.01% of total Pennsylvania state population. Area of Sykesville borough is 1.6 mi² (=4.1 km²)[6], in this year population density was 717.61 p/mi². If population growth rate would be same as in period 2010-2014 (-0.35%/yr), Sykesville borough population in 2026 would be 1,094*.
Historical population of Sykesville borough for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1910-1920] +3.62 %/yr
[1920-1930] -1.74 %/yr
[1930-1940] -0.28 %/yr
[1940-1950] -2.11 %/yr
[1950-1960] -1.1 %/yr
[1960-1970] -1.2 %/yr
[1970-1980] +1.6 %/yr
[1980-1990] -0.92 %/yr
[1990-2000] -1.13 %/yr
[2000-2005] -0.88 %/yr
[2005-2010] -0.68 %/yr
[2010-2014] -0.35 %/yr
• DuBois city population
6.1 mi,
28°
• Punxsutawney borough
11 mi,
230°
• Reynoldsville borough
5.3 mi,
310°
• Brockway borough
14 mi,
3°
• Falls Creek borough
6.7 mi,
1°
• Big Run borough
6.2 mi,
214°
• Mahaffey borough
12.6 mi,
159°
• Grampian borough
11.8 mi,
118°
• Troutville borough
1.6 mi,
130°
• Lumber City borough
14.6 mi,
122°
*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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