Last official estimated population of Westfield town (Union County**, New Jersey state) was 30,890 (year 2014)[1]. This was 0.01% of total US population and 0.34% of total New Jersey state population. Area of Westfield town is 6.7 mi² (=17.5 km²)[6], in this year population density was 4,581.05 p/mi². If population growth rate would be same as in period 2010-2014 (+0.47%/yr), Westfield town population in 2025 would be 32,525*.
Historical population of Westfield town for period 1810-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1810-1820] +0.92 %/yr
[1820-1830] +0.55 %/yr
[1830-1840] +2.37 %/yr
[1840-1850] -6.68 %/yr
[1850-1860] +0.87 %/yr
[1860-1870] +4.82 %/yr
[1870-1880] -2.15 %/yr
[1880-1890] +2.14 %/yr
[1890-1900] +4.68 %/yr
[1900-1910] +4.02 %/yr
[1910-1920] +3.51 %/yr
[1920-1930] +5.72 %/yr
[1930-1940] +1.57 %/yr
[1940-1950] +1.42 %/yr
[1950-1960] +4 %/yr
[1960-1970] +0.7 %/yr
[1970-1980] -1.02 %/yr
[1980-1990] -0.53 %/yr
[1990-2000] +0.27 %/yr
[2000-2005] +0.09 %/yr
[2005-2010] +0.35 %/yr
[2010-2014] +0.47 %/yr
• Plainfield city population
4.5 mi, 
236°
• Rahway city
4.5 mi, 
132°
• Summit city
4.6 mi, 
345°
• Roselle borough
4.4 mi, 
89°
• Roselle Park borough
4.1 mi, 
76°
• New Providence borough
4.6 mi, 
314°
• Kenilworth borough
3.3 mi, 
57°
• Fanwood borough
2.3 mi, 
252°
• Mountainside borough
2.2 mi, 
336°
• Garwood borough
1.1 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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