Johnnie St. Vrain: What is Longmont’s Population?
Dear Johnnie St. Vrain: What is the population of Longmont as of Jan. 1, 2019?
Who says so?
How does he know that?
— Bob Askey
Dear Bob: I don’t have the population estimate for Jan. 1, but I do have it for Dec. 31. Good enough?
As of Dec. 31, it’s estimated that 96,192 people live in Longmont, which is up 1.5 percent from the start of 2018.
To answer the second and third questions, first I must say that the person who says so is not a “he.” She is Erin Fosdick, a principal planner in the city’s Planning and Development Services Department.
According to a report from the Planning and Development Services Department, there were 86,270 people living in Longmont as of the 2010 Census. The year-end population estimate in 2017 said the population had reached 94,777.
The estimate for last year is derived by putting together four variables: number of dwelling units, vacancy rate, average household size and population living in group quarters.
In 2018, the city had a net total of 37,673 dwelling units, a 1.9 percent vacancy rate, an average household size of 2.58 and 842 people living in group quarters, or group homes.
The city then uses a formula to find the estimated population. It multiplies the total dwelling units by the occupancy rate to find the number of occupied dwelling units, then multiplies that by the average household size. It then adds the number of people living in group homes to that number to get the total, 96,192.