High Ridge Low Ridge

High Ridge is an unincorporated community and census-designated place in Jefferson County, Missouri, United States. The population was 4,305 at the 2010 census. A post office called High Ridge has been in operation since 1856. The community was so named on account of its lofty elevation.
  • Elevation: 922 ft (281 m)
  • Country: United States
  • State: Missouri
  • County: Jefferson
  • ZIP code: 63049
  • Area code: 636
  • FIPS code: 29-32140
Data from: en.wikipedia.org