Last official estimated population of Portal city (Burke County**, North Dakota state) was 154 (year 2014)[1]. This was 0% of total US population and 0.02% of total North Dakota state population. Area of Portal city is 0.6 mi² (=1.5 km²)[6], in this year population density was 272.57 p/mi². If population growth rate would be same as in period 2010-2014 (+5.14%/yr), Portal city population in 2024 would be 254*.
Historical population of Portal city for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1910-1920] -0.78 %/yr
[1920-1930] +1.21 %/yr
[1930-1940] -0.26 %/yr
[1940-1950] -1.97 %/yr
[1950-1960] -1.52 %/yr
[1960-1970] -3.3 %/yr
[1970-1980] -0.53 %/yr
[1980-1990] -2.12 %/yr
[1990-2000] -3.75 %/yr
[2000-2005] -0.93 %/yr
[2005-2010] +0.16 %/yr
[2010-2014] +5.14 %/yr
• Crosby city population
34.4 mi, 
260°
• Kenmare city
31 mi, 
135°
• Bowbells city
19 mi, 
134°
• Powers Lake city
30.2 mi, 
188°
• Lignite city
8.2 mi, 185°
• Columbus city
12.3 mi, 
239°
• Noonan city
22.2 mi, 
250°
• Wildrose city
38.4 mi, 
228°
• Flaxton city
9.8 mi, 134°
• Tolley city
37.5 mi, 
119°
*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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