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St. Clair County, AL
10 cities and towns and 12 ZIP codes in St. Clair County, Alabama.
Population
94,166
Land area
632sq mi
People per sq mi
149
ZIP codes
12
Cities and towns in St. Clair County
St. Clair County at a glance
- St. Clair County is 48% denser than Alabama as a whole.
- The median household income is $77,463, 21% above the Alabama median of $63,999.
- A typical owner-occupied home is valued at $226,300 (8% above Alabama) and median rent is $1,084 a month.
- Its largest cities are Pell City (13,587), Moody (13,488) and Margaret (5,877).
Local data for St. Clair County, AL
Counts from official public data
Housing and community stats
St. Clair County, AL, American Community Survey 2020-2024
Median household income
$77,463
Poverty rate
11.4%
Median home value
$226,300
Prices +0.6% in a year
Median rent
$1,084/mo
Homeownership
82.6%
Bachelor's or higher
21.4%
Median age
41.2
Average commute
30.7 min
Largest reported origins and ancestries: Irish Americans (10,029), German Americans (6,571), Scottish Americans (2,476).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.3%
Sep 2026, +0.8 pts in a year
Average annual pay
$57,291
22,380 jobs, 2025
Income per person
$54,878
BEA, 2024
Federal spending
$692M
FY 2026, $7,597 per person
PPP loans
$81.1M
1,508 loans, 9,705 jobs reported
Campaign donations
$170K
Itemized, 2026 cycle
How people get to work
St. Clair County, AL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.2%
- Carpooled6.7%
- Public transit0.0%
- Walked0.5%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home11.7%
Average one-way commute: 30.7 minutes for people who do not work from home.
Environment and hazard risk
St. Clair County, AL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: tornado
Storm events since 1996
478
Most often thunderstorm wind
Flood insurance policies
301
0.9% of homes, county
July high / Jan low
91° / 33°F
57.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone7 historic places
Health statistics
Share of adults in St. Clair County, AL, CDC PLACES estimates
Obesity
39.6%
U.S. 33.3% +6.3 pts
Diabetes
13.0%
U.S. 12.1% +0.9 pts
Smoking
15.2%
U.S. 12.8% +2.4 pts
Uninsured (18-64)
9.2%
U.S. 11.1% -1.9 pts
Cities, towns and ZIP codes in St. Clair County
Population shown
Frequently asked questions
- What is the largest city in St. Clair County, AL?
- Pell City is the largest city or town in St. Clair County, with about 13,587 residents.
- How many ZIP codes are in St. Clair County?
- St. Clair County includes 12 ZIP Code Tabulation Areas, including 35004, 35052, 35054, 35112, 35120.
- What is the population of St. Clair County, AL?
- About 94,166 people live in St. Clair County, based on American Community Survey 5-year estimates.
- What counties border St. Clair County?
- St. Clair County borders Jefferson County, Shelby County, Calhoun County, Etowah County, Talladega County, Blount County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023