Spanish Lake, Missouri
Seal of Missouri
Spanish Lake · St. Louis County, Missouri
Population 18,183 (est. 2026: ~17,200)
Source: Census ACS 2023 · ACS 2023 + -1.7% annual growth projection
# Spanish Lake, Missouri St. Louis County, Missouri · Population 18,413

Contact this office — local service-area, municipal code pointer, and corrections form.