Lake St. Clair

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Lake St. Clair or Lake Saint Clair is an unincorporated community and census-designated place (CDP) in Franklin County, Missouri, United States. It is in the southeast part of the county, surrounding a lake impounded on a tributary of Hoosier Creek, a south-flowing tributary of the Meramec River. The community is bordered to the north by the city of Saint Clair and is 54 miles (87 km) southwest of St. Louis.

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Lake St. Clair, MO from NOAA NWS API.

Health (adults)

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Notable people from here

Phoebe Hearst

American philanthropist, feminist and suffragist (1842–1919)

Peter Clark MacFarlane

American actor and writer

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Missouri

• St. Clair
  1.7 mi away
• Charmwood
  6 mi away
• Stanton
  6.8 mi away
• Oak Grove Village
  10.5 mi away
• Sullivan
  11.7 mi away
• Leslie
  14.2 mi away
• St. Cloud
  15.5 mi away
• Lake Tekakwitha
  17.3 mi away · pop. 202
• Bourbon
  18.1 mi away · pop. 1,636
• Augusta
  18.2 mi away
• LaBarque Creek
  18.5 mi away · pop. 1,457
• Cedar Hill
  19.6 mi away · pop. 1,261

Browse all places in Missouri →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Lake St. Clair

Sailing on the Great Lakes and Rivers of America

John Disturnell · 1874

Sailing on the Great Lakes and rivers of America

J. Disturnell · 1874

Flood insurance study

United States. Federal Insurance Administration. · 1977

Missouri nature viewing guide

Martha Daniels · 1995

1990 census of population and housing

United States. Bureau of the Census · 1992

1980 census of housing

United States. Bureau of the Census · 1983

Exploring Literature -- Fourth Edition

Frank Madden · 2009

Search results from Open Library.

Nearest stream gauge

Live readings from USGS NWIS · measured 2026-09-26 05:30 UTC.