St. Clair County's estimated 2026 population is 99,366 with a growth rate of 1.18% 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 18.88% since that time.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 42.5 years
Male: 38.9 years
There are 73,226 adults, (16,832 of whom are seniors) in St. Clair County.
Female: 47,563 (50.5%)
Male: 46,603 (49.5%)
The racial composition of St. Clair County includes 83.66% White, 10.17% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 78,776 | 83.66% |
| Black or African American | 9,575 | 10.17% |
| Two or more races | 3,390 | 3.6% |
| Other race | 1,466 | 1.56% |
| Asian | 537 | 0.57% |
| Native American | 337 | 0.36% |
| Native Hawaiian or Pacific Islander | 85 | 0.09% |
St. Clair County's average per capita income is $50,509. Household income levels show a median of $77,463. The poverty rate stands at 11.35%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,648 | - |
| Families | $90,154 | $102,083 |
| Households | $77,463 | $91,073 |
| Non Families | $41,664 | $57,056 |
Average Income
Median Household Income
Poverty Rate
