In 2022, the population of Swink was 596, a 1.49% decrease year-by-year from 2021. Previously, in 2021, Swink's population was 605, an increase of 0.50% compared to a population of 602 in 2020.
The median age in Swink, CO is 39.5, as per 2021 ACS 5-Year Estimates. Of the total population, 18.48% were under the age of 15, 21.23% aged 15 to 29, 30.79% aged 30 to 64, 23.82% aged 65 to 84, and 5.67% were 85 years of age and older.