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%.
Population Trends: Population change for Plaistow totaled 4,699 over 54 years, from 2,915 in 1960 to 7,614 in 2014. The largest decennial percent change was a 62 percent increase between 1960 and 1970; the smallest, a seven percent increase between 1990 and 2000. The 2014 Census estimate for Plaistow was 7,614 residents, which ranked 39th among New Hampshire's incorporated cities and towns. Population Density and Land Area, 2014 (US Census Bureau): 717.6 persons per square mile of land area.