The total population of Brunswick is estimated to be 171 with 98 males (57.31%) and 73 females (42.69%). There are 25 less females than males in Brunswick.
In 2022, the population of Brunswick was 155, a 0.65% increase year-by-year from 2021. Previously, in 2021, Brunswick's population was 154, an increase of 1.32% compared to a population of 152 in 2020.
The median age in Brunswick, NE is 44.8, as per 2021 ACS 5-Year Estimates. Of the total population, 18.82% were under the age of 15, 17.20% aged 15 to 29, 32.26% aged 30 to 64, 24.73% aged 65 to 84, and 6.99% were 85 years of age and older.