Last official estimated population of Duncan city (Stephens County**, Oklahoma state) was 23,173 (year 2014)[1]. This was 0.007% of total US population and 0.59% of total Oklahoma state population. Area of Duncan city is 47.7 mi² (=123.6 km²)[6], in this year population density was 485.40 p/mi². If population growth rate would be same as in period 2010-2014 (-0.28%/yr), Duncan city population in 2024 would be 22,540*.
Historical population of Duncan city for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] +7.84 %/yr
[1910-1920] +3.41 %/yr
[1920-1930] +9.22 %/yr
[1930-1940] +0.97 %/yr
[1940-1950] +5.23 %/yr
[1950-1960] +2.7 %/yr
[1960-1970] -0.15 %/yr
[1970-1980] +1.34 %/yr
[1980-1990] -0.11 %/yr
[1990-2000] +0.18 %/yr
[2000-2005] -0.04 %/yr
[2005-2010] +0.7 %/yr
[2010-2014] -0.28 %/yr
• Marlow city population
9.1 mi, 
17°
• Comanche city
10 mi, 
171°
• Rush Springs town
19.1 mi, 
8°
• Bray town
12.8 mi, 
56°
• Central High town
8.8 mi, 
327°
• Empire City town
3.7 mi, 
237°
• Sterling town
19.3 mi, 330°
• Velma town
19.8 mi, 
100°
• Hastings town
20.3 mi, 
196°
• Addington town
18.3 mi, 172°
*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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