Last official estimated population of Irrigon city (Morrow County**, Oregon state) was 1,791 (year 2014)[1]. This was 0.001% of total US population and 0.04% of total Oregon state population. Area of Irrigon city is 1.4 mi² (=3.8 km²)[6], in this year population density was 1,236.88 p/mi². If population growth rate would be same as in period 2010-2014 (-0.48%/yr), Irrigon city population in 2026 would be 1,690*.
Historical population of Irrigon city for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1910-1920] -0.83 %/yr
[1920-1930] -5.55 %/yr
[1930-1950] +0.72 %/yr
[1950-1960] +11.95 %/yr
[1960-1970] +1.18 %/yr
[1970-1980] +10.37 %/yr
[1980-1990] +0.57 %/yr
[1990-2000] +8.84 %/yr
[2000-2005] +0.75 %/yr
[2005-2010] +0.34 %/yr
[2010-2014] -0.48 %/yr
• Kennewick city population
25.8 mi, 
35°
• Richland city
28.5 mi, 
19°
• Hermiston city
10.7 mi, 
113°
• West Richland city
29.3 mi, 
9°
• Umatilla city
7.7 mi, 
78°
• Prosser city
25.3 mi, 
328°
• Boardman city
10.6 mi, 
247°
• Benton City city
25.5 mi, 
1°
• Stanfield city
15 mi, 
120°
• Echo city
17.7 mi, 
126°
*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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