County
· Missouri
St Louis County
St. Louis County is located in eastern Missouri. It is bounded by the City of St. Louis and the Mississippi River to the east, the Missouri River to the north, and the Meramec River to the south. As of the 2020 census, the population was 1,004,125, making it the most populous county in Missouri, and was estimated to be 987,059 in 2023. Its county seat is Clayton, while the largest city is Florissant. The county is included in the St. Louis, MO–IL metropolitan statistical area.
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Cities and towns 87
- City of Ballwin pop. 30,870
- City of Bella Villa pop. 745
- City of Bellefontaine Neighbors pop. 10,615
- City of Berkeley pop. 8,148
- City of Beverly Hills pop. 467
- City of Black Jack pop. 6,593
- City of Breckenridge Hills pop. 4,419
- City of Brentwood pop. 8,164
- City of Bridgeton pop. 11,380
- City of Charlack pop. 1,292
- City of Chesterfield pop. 49,703
- City of Clarkson Valley pop. 2,590
- City of Clayton pop. 16,943
- City of Cool Valley pop. 1,027
- City of Country Club Hills pop. 1,010
- City of Crestwood pop. 12,338
- City of Creve Coeur pop. 18,660
- City of Crystal Lake Park pop. 505
- City of Dellwood pop. 4,882
- City of Des Peres pop. 9,158
- City of Edmundson pop. 855
- City of Ellisville pop. 9,942
- City of Eureka pop. 12,154
- City of Fenton pop. 3,968
- City of Ferguson pop. 18,343
- City of Flordell Hills pop. 718
- City of Florissant pop. 52,003
- City of Frontenac pop. 3,690
- City of Glendale pop. 6,142
- City of Green Park pop. 2,683
- City of Greendale pop. 640
- City of Hazelwood pop. 25,241
- City of Huntleigh pop. 353
- City of Jennings pop. 12,886
- City of Kinloch pop. 262
- City of Kirkwood pop. 29,371
- City of Ladue pop. 8,969
- City of Lakeshire pop. 1,542
- City of Manchester pop. 18,240
- City of Maplewood pop. 8,188
- City of Maryland Heights pop. 28,024
- City of Moline Acres pop. 2,138
- City of Normandy pop. 4,204
- City of Northwoods pop. 3,650
- City of Oakland pop. 1,375
- City of Olivette pop. 8,452
- City of Overland pop. 15,775
- City of Pagedale pop. 2,542
- City of Pasadena Hills pop. 902
- City of Pine Lawn pop. 2,729
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 168767
- FIPS state
- 29
- FIPS county
- 189
- FIPS place
- 99189
- Census record name
- COUNTY OF ST LOUIS
- Mailing address
- 41 S CENTRAL AVE, CLAYTON 63105