Last official estimated population of Northumberland borough (Northumberland County**, Pennsylvania state) was 3,753 (year 2014)[1]. This was 0.001% of total US population and 0.03% of total Pennsylvania state population. Area of Northumberland borough is 1.5 mi² (=3.9 km²)[6], in this year population density was 2,488.73 p/mi². If population growth rate would be same as in period 2010-2014 (-0.34%/yr), Northumberland borough population in 2026 would be 3,604*.
Historical population of Northumberland borough for period 1830-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1830-1840] -1.65 %/yr
[1840-1850] +1.21 %/yr
[1850-1860] +0.63 %/yr
[1860-1870] +4.9 %/yr
[1870-1880] +2.52 %/yr
[1880-1890] +1.81 %/yr
[1890-1900] +0.01 %/yr
[1900-1910] +2.5 %/yr
[1910-1920] +1.45 %/yr
[1920-1930] +0.99 %/yr
[1930-1940] -0.03 %/yr
[1940-1950] -0.6 %/yr
[1950-1960] -0.12 %/yr
[1960-1970] -0.13 %/yr
[1970-1980] -1.2 %/yr
[1980-1990] +0.82 %/yr
[1990-2000] -0.25 %/yr
[2000-2005] -0.35 %/yr
[2005-2010] +0.13 %/yr
[2010-2014] -0.34 %/yr
• Sunbury city population
2.5 mi, 
170°
• Milton borough
7.9 mi, 
338°
• Selinsgrove borough
7.6 mi, 
208°
• Lewisburg borough
6.8 mi, 
313°
• Danville borough
10.5 mi, 
64°
• Riverside borough
8.7 mi, 
65°
• Shamokin Dam borough
3.1 mi, 211°
• New Berlin borough
9.8 mi, 
263°
• Freeburg borough
12 mi, 
219°
• Snydertown borough
6.3 mi, 
104°
*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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