Last official estimated population of St. Olaf city (Clayton County**, Iowa state) was 107 (year 2014)[1]. This was 0% of total US population and 0% of total Iowa state population. Area of St. Olaf city is 0.2 mi² (=0.6 km²)[6], in this year population density was 438.52 p/mi². If population growth rate would be same as in period 2010-2014 (-0.23%/yr), St. Olaf city population in 2026 would be 104*.
Historical population of St. Olaf city for period 1880-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1880-1900] +4.65 %/yr
[1900-1910] +3.21 %/yr
[1910-1920] -1.31 %/yr
[1920-1930] +1.56 %/yr
[1930-1940] +0.94 %/yr
[1940-1950] -1.88 %/yr
[1950-1960] +0.68 %/yr
[1960-1970] -1.86 %/yr
[1970-1980] -0.14 %/yr
[1980-1990] -0.98 %/yr
[1990-2000] +0.55 %/yr
[2000-2005] -2.05 %/yr
[2005-2010] -1.92 %/yr
[2010-2014] -0.23 %/yr
• Monona city population
8.6 mi, 
358°
• Elkader city
4.9 mi, 
188°
• McGregor city
12.4 mi, 
55°
• Garnavillo city
8.7 mi, 
118°
• Elgin city
12.7 mi, 
278°
• Marquette city
12.8 mi, 
50°
• Farmersburg city
2.4 mi, 
25°
• Luana city
9.8 mi, 
339°
• Volga city
11.6 mi, 
222°
• Clayton city
12.1 mi, 
97°
*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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