Last official estimated population of Monmouth city (Warren County**, Illinois state) was 9,527 (year 2014)[1]. This was 0.003% of total US population and 0.07% of total Illinois state population. Area of Monmouth city is 4.2 mi² (=11 km²)[6], in this year population density was 2,242.17 p/mi². If population growth rate would be same as in period 2010-2014 (+0.22%/yr), Monmouth city population in 2026 would be 9,780*.
Historical population of Monmouth city for period 1850-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1850-1860] +12.14 %/yr
[1860-1870] +6.4 %/yr
[1870-1880] +0.7 %/yr
[1880-1890] +1.73 %/yr
[1890-1900] +2.31 %/yr
[1900-1910] +2.04 %/yr
[1910-1920] -1.17 %/yr
[1920-1930] +0.66 %/yr
[1930-1940] +0.49 %/yr
[1940-1950] +1.15 %/yr
[1950-1960] +0.17 %/yr
[1960-1970] +0.61 %/yr
[1970-1980] -0.29 %/yr
[1980-1990] -1.14 %/yr
[1990-2000] +0.25 %/yr
[2000-2005] -0.69 %/yr
[2005-2010] -0.04 %/yr
[2010-2014] +0.22 %/yr
• Galesburg city population
14 mi,
79°
• Abingdon city
14.7 mi,
121°
• Roseville village
12.7 mi,
185°
• Alexis village
11.2 mi,
23°
• Kirkwood village
6.5 mi,
239°
• Little York village
8.6 mi,
320°
• Biggsville village
12.3 mi,
250°
• Seaton village
15.4 mi,
327°
• North Henderson village
14.9 mi,
35°
• Media village
14.2 mi,
224°
*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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