Market insights · Alabama
St. Clair County, AL: growth, migration and housing
St. Clair County has 98,206 residents, up 7.1% since 2020 (+1.2% in the last year). In 2022–2023, 2,849 households moved in and 2,310 moved out (+539 net), bringing in a net $42.2M of income. Median household income is $77,463, the median home $226,300 and median rent $1,084 a month.
In Alabama: 6th of 67 counties for 5-year population growth · 5th of 67 counties for net in-migration (per resident) · 6th of 67 counties for median household income · 8th of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to St. Clair County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jefferson County, AL | 1,072 | $74.1M |
| Shelby County, AL | 232 | $16.5M |
| Talladega County, AL | 171 | $9.6M |
| Etowah County, AL | 129 | $7.1M |
| Calhoun County, AL | 124 | $5.2M |
| Blount County, AL | 88 | $5.0M |
| Tuscaloosa County, AL | 36 | $2.1M |
| Baldwin County, AL | 29 | $1.6M |
Where leavers went
Top counties by households leaving St. Clair County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jefferson County, AL | 722 | $42.1M |
| Shelby County, AL | 195 | $11.7M |
| Talladega County, AL | 195 | $11.7M |
| Etowah County, AL | 125 | $9.4M |
| Calhoun County, AL | 123 | $6.3M |
| Blount County, AL | 74 | $4.3M |
| Madison County, AL | 41 | $2.3M |
| Tuscaloosa County, AL | 37 | $1.8M |
BizyFi in St. Clair County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Alabama companies.
← All Alabama counties · National rankings
Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.