According to the 2018 American Community Survey five-year estimate, Louise had a population of 935. Of these persons, 394 were male and 541 were female. The median age was 34.8. Of the estimated population, 34 were under 5 years of age, 51 were 5–9 years, 63 were 10–14 years, 151 were 15–19 years, 73 were 20–24 years, 104 were 25–34 years, 88 were 35–44 years, 243 were 45–54 years, 38 were 55–59 years, 25 were 60–64 years, 23 were 65–74 years, 42 were 75–84 years, and 0 were 85 years or over.
According to the 2018 American Community Survey five-year estimate, Louise had a population of 935. Of, these persons, 394 were male and 541 were female. The median age was 34.8. Of the estimated population, 34 were under 5 years of age, 51 were 5–9 years, 63 were 10–14 years, 151 were 15–19 years 73 were 20–24 years, 104 were 25–34 years, 88 were 35–44 years, 243 were 45–54 years, 38 were 55–59 years, 25 were 60–64 years, 23 were 65–74 years, 42 were 75–84 years, and 0 were 85 years or over.