Last official estimated population of Winthrop town (Okanogan County**, Washington state) was 412 (year 2014)[1]. This was 0% of total US population and 0.01% of total Washington state population. Area of Winthrop town is 0.9 mi² (=2.4 km²)[6], in this year population density was 437.83 p/mi². If population growth rate would be same as in period 2010-2014 (+1.12%/yr), Winthrop town population in 2023 would be 456*.
Historical population of Winthrop town for period 1930-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1930-1940] +3.06 %/yr
[1940-1950] +0.82 %/yr
[1950-1960] -0.98 %/yr
[1960-1970] +0.33 %/yr
[1970-1980] +1.08 %/yr
[1980-1990] -2.61 %/yr
[1990-2000] +0.94 %/yr
[2000-2005] +0.74 %/yr
[2005-2010] +1.76 %/yr
[2010-2014] +1.12 %/yr
• Omak city population
29.7 mi, 
97°
• Chelan city
44 mi, 
169°
• Okanogan city
28.5 mi, 104°
• Bridgeport city
39.7 mi, 
144°
• Brewster city
31.3 mi, 143°
• Tonasket city
37.4 mi, 
64°
• Twisp town
8.2 mi, 
159°
• Pateros city
31.5 mi, 155°
• Riverside town
30.5 mi, 
84°
• Conconully town
20.5 mi, 
73°
*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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