Last official estimated population of Helix city (Umatilla County**, Oregon state) was 186 (year 2014)[1]. This was 0% of total US population and 0% of total Oregon state population. Area of Helix city is 0.1 mi² (=0.3 km²)[6], in this year population density was 1,441.86 p/mi². If population growth rate would be same as in period 2010-2014 (+0.27%/yr), Helix city population in 2024 would be 191*.
Historical population of Helix city for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1910-1920] +6.26 %/yr
[1920-1930] -0.36 %/yr
[1930-1940] -4.56 %/yr
[1940-1950] +4.17 %/yr
[1950-1960] -2.05 %/yr
[1960-1970] +0.27 %/yr
[1970-1980] +0.2 %/yr
[1980-1990] -0.33 %/yr
[1990-2000] +1.2 %/yr
[2000-2005] +0.93 %/yr
[2005-2010] +0.78 %/yr
[2010-2014] +0.27 %/yr
• Walla Walla city population
21.6 mi, 45°
• Pendleton city
14.4 mi, 212°
• College Place city
18.6 mi, 44°
• Milton-Freewater city
14.1 mi, 65°
• Stanfield city
27.3 mi, 260°
• Pilot Rock city
26 mi, 198°
• Athena city
8.4 mi, 107°
• Echo city
26.7 mi, 253°
• Weston city
11.5 mi, 101°
• Adams city
7.4 mi, 141°
*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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