St Louis County Population 2025. Louis county, minnesota's estimated 2024 population is 201,470 with a growth rate of 0.48% in the past year according to the most recent united states census data. Louis county, mo (moslpop) from 1970 to 2023 about st.
Also for cities and towns with a population of 5,000 or more. 2000 to 2030 state totals.