STATSCapeCod

Population Estimates

The Population Estimates Program prepares estimates of the total population; estimates of the population by age, sex, race, and Hispanic origin; and estimates of the number of housing units. The annual population estimates start with a base population for the prior census and calculate population estimates for July 1 for years begining with the census year to the current year being estimated.  The population estimates use a variety of administrative records data to measure the population change including data on births, deaths, migration, and housing units.

https://www.census.gov/programs-surveys/popest.html