In 2022, the population of Mcgrew was 63, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Mcgrew's population was 63, a decline of 1.56% compared to a population of 64 in 2020.
The median age in Mcgrew, NE is 59.3, as per 2021 ACS 5-Year Estimates. Of the total population, 7.58% were under the age of 15, 7.58% aged 15 to 29, 39.39% aged 30 to 64, 34.85% aged 65 to 84, and 10.61% were 85 years of age and older.