Missouri

St. Louis

1,004,125
2020 population
1810
first census record
22
census records

About St. Louis

St. Louis, Missouri, first appears in the United States federal census in 1810, when it recorded a population of 5,667. At the most recent census, in 2020, its population stood at 1,004,125.

Its recorded population peaked at 1,016,315 in 2000, and has since declined by roughly 1 percent.

On the ground today, 663 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20201,004,125
2010998,954
20001,016,315
1990993,529
1980973,896
1970951,353
1960703,532
1950406,349
1940274,230
1930211,593
1920100,737
191082,417
190050,040
189036,307
188031,888
1870351,189
1860190,524
1850104,978
184035,979
183014,125
182010,049
18105,667
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Historic places in St. Louis

National Register of Historic Places listings in St. Louis, Missouri.

Majestic Hotel
St. Louis (Independent City)
Beethoven Conservatory
St. Louis (Independent City)
Manchester Methodist Episcopal Church
Manchester
Kiel Opera House
St. Louis (Independent City)
Standard Adding Machine Building
St. Louis (Independent City)
St. Mary of Victories Church
St. Louis (Independent City)
Sugar Loaf Mound
St. Louis (Independent City)
Sumner, Charles, High School
St. Louis (Independent City)
Browse all Missourihistoric sites ›

Other counties in Missouri

Explore census history and historic records for more Missouri counties.

RallsRandolphRayReynoldsRipleySalineSchuylerScotlandScottShannonShelbySt. CharlesSt. ClairSt. FrancoisSt. Louis citySte. GenevieveStoddardStoneSullivanTaney
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Everything a full report reveals about St. Louis County, Missouri

This page charts the census history of St. Louis County, Missouri. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Missourihistory ›NRHP historic sites ›Notable people from Missouri›

Frequently asked about St. Louis

When does St. Louis first appear in the US census?
St. Louis, Missouri first appears in the federal census in 1810, with a recorded population of 5,667.
What is the population of St. Louis?
At the most recent federal census (2020), St. Louis had a recorded population of 1,004,125.
When did St. Louis's population peak?
St. Louis's recorded population peaked at 1,016,315 in 2000.
How many historic places are in St. Louis?
663 sites are listed on the National Register of Historic Places in St. Louis, Missouri.
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