sum (plural sums) 1  A quantity obtained by addition or aggregation. The sum of 3 and 4 is 7. ( 2 often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition). We're learning about division, and the sums are tricky. 3  A quantity of money. a tidy sum. the sum of forty pounds.
Most / Least Educated Cities in IA. As of 2010-2014, the total population of Ottumwa is 24,847, which is 0.60% less than it was in 2000. The population growth rate is much lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%.
According to our research of Iowa and other state lists there were 87 registered sex offenders living in Ottumwa, Iowa as of April 12, 2017. The ratio of number of residents in Ottumwa to the number of sex offenders is 285 to 1. Nearest city with pop. 50,000+: Iowa City, IA (64.1 miles , pop. 62,220).