Research is the labor of finding knowledge (and information), either where it was hidden, hard to reach, or unknown. Research usually means empirical research.
... average family size is 2.79.
In the town the population is spread out with 18.5% under the age of 18, 4.4% from 18 to 24, 20.6% from 25 to 44, 26.3% from 45 to 64, and ...