St. Clair

County in Missouri

County

The population development of St. Clair.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
St. Clair	County	8,457	9,652	9,805	9,282	9,848	→
Missouri	State	5,117,073	5,595,211	5,988,927	6,154,854	6,245,466

Contents: Incorporated Places

The population development of the incorporated places in St. Clair.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Appleton City	City	St. Clair	1,280	1,319	1,131	1,023	1,080	→
Collins	Village	St. Clair	144	192	161	125	133	→
Gerster	Town	St. Clair	40	36	25	18	19	→
Lowry City	City	St. Clair	731	730	640	613	652	→
Osceola	City	St. Clair	765	841	949	928	979	→
Roscoe	Village	St. Clair	100	115	124	88	93	→
Vista	Village	St. Clair	50	58	48	35	37	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	4,703
Females	4,581

Age Groups (C 2020)
0-17 years	1,974
18-64 years	4,918
65+ years	2,392

Age Distribution (C 2020)
80+ years	545
70-79 years	1,150
60-69 years	1,451
50-59 years	1,311
40-49 years	949
30-39 years	936
20-29 years	761
10-19 years	1,131
0-9 years	1,050

Urbanization (C 2020)
Rural	9,284

»Race« (C 2020)
White	8,643
Black/African American	26
Indigenous	67
Asian	21
Pacific Islander	9
Some other	66
2 or more	452

Ethnicity (C 2020)
Hispanic or Latino	178
Other	9,106