St. Clair County's estimated 2026 population is 99,807 with a growth rate of 1.46% in the past year according to the most recent United States census data. St. Clair County is the 15th largest county in Alabama. The 2010 population was 83,587 and has seen a growth of 19.4% since that time.
Data after 2023 is projected based on recent change
The racial composition of St. Clair County includes 84.33% White, 9.86% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (84.33%)
Black or African American (9.86%)
Two or more races (3.83%)
Other race (1.08%)
Asian (0.47%)
Native American (0.3%)
Native Hawaiian or Pacific Islander (0.13%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 78,348 | 84.33% |
| Black or African American | 9,161 | 9.86% |
| Two or more races | 3,554 | 3.83% |
| Other race | 1,006 | 1.08% |
| Asian | 432 | 0.47% |
| Native American | 280 | 0.3% |
| Native Hawaiian or Pacific Islander | 122 | 0.13% |
Married
Widowed
Divorced
Separated
Never Married
St. Clair County's average per capita income is $49,522. Household income levels show a median of $78,993. The poverty rate stands at 11.17%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,999 | $114,699 |
| Families | $91,091 | $103,303 |
| Households | $78,993 | $92,258 |
| Non Families | $43,924 | $58,318 |
Average Income
Median Household Income
Poverty Rate
