Population of Midsayap reaches at 151,684 Population of the Municipality of Midsayap Cotabato increases at 2.36 percent annually. As of August 1, 2015, the municipality of Midsayap has recorded a total population of about 151,684 persons. This count ranked second among the 18 municipalities of Cotabato Province and it comprised about 11% of the province’s total population which is 1,379,747. In May 2010 its population was 134,170 which means that it has increased by 17,514 in five-year time. The result showed that its population increased on the average of 2.36 percent annually from 2010 to 2015. The number of households on the other hand recorded at 34,198. Read more about Special Release: 2015 CENSUS OF POPULATION–FINAL RESULTS for MIDSAYAP.