The total population of Bristow is estimated to be 170 with 65 males (38.24%) and 105 females (61.76%). There are 40 more females than males in Bristow.
In 2022, the population of Bristow was 143, a 0.69% decrease year-by-year from 2021. Previously, in 2021, Bristow's population was 144, a decline of 0.00% compared to a population of 144 in 2020.
The median age in Bristow, IA is 43.8, as per 2021 ACS 5-Year Estimates. Of the total population, 15.47% were under the age of 15, 11.05% aged 15 to 29, 53.59% aged 30 to 64, 14.36% aged 65 to 84, and 5.52% were 85 years of age and older.