Population & Household section gives reader an outlook. of general population profile, structure, and outlook.
Population Trend
St. Clair County, AL, exhibits a population growth rate of 1.4% over the past year, slightly above the state average of 0.6%. With a median age of 41.0 years, it is older than the state median of 39.3, indicating a relatively mature demographic. The county's age dependency ratio of 65.8 is comparable to nearby counties, suggesting a balanced population structure, though it leans towards a higher proportion of dependents. Notably, St. Clair's sex ratio of 99.2 is healthier than the state average of 94.7, reflecting a more balanced gender distribution.
Total Population
91719
Sex Ratio
99.2 %
Population Growth (2021-2022)
1.4 %
Population CAGR (2010-2022)
1.08 %
Population Growth Rate (%)
Source: Census.gov
Age Structure
Dependency Rate
65.8 %
Median Age
41.0 y.o.
% of Population > 65 y.o.
17.4 %
Active Aging Index
94.8 %
Old Dependency Rate
28.9 %
Young Dependency Rate
37 %
Age Structure (%)
Source: Census.gov
Population Structure
Source: Census.gov
Household Status
St. Clair County, AL, with a total of 33,838 households, exhibits a healthy household growth rate of 1.87% over the past year, slightly above the state average of 1.59%. The county has a higher percentage of households with children (34.2%) compared to the state average of 29.3%, indicating a family-friendly environment. The average household size in St. Clair County is 2.65, which is comparable to nearby counties like Shelby (2.63) and Mobile (2.54). Additionally, the proportion of married-couple households (57.5%) is significant, reflecting a stable family structure. In comparison to other counties, St. Clair's growth rate is robust, particularly when contrasted with counties like Calhoun, which has a negative growth rate. Overall, St. Clair County demonstrates positive demographic trends that may attract new residents and families.
Total Households
33838
Married-couple Household
19436
Household CAGR (2010-2022)
1.13 %
Household Growth (2021-2022)
1.87 %
Average Household Size
2.65 p
Average Family Size
3.1 p
Household with Children (%)
34.2 %
Household with Elder 65+ (%)
32.5 %
Household Size
Source: Census.gov
Household Structure
Source: Census.gov
Marriage
Never Married
23.9 %
Now Married
56.8 %
Widowed
6.8 %
Divorced
12.6 %
Marriage Status
Source: Census.gov
Marriage Status Breakdown
Source: Census.gov | S1201
Cultures
*Culture section contains several components: races, education, marriage and other factors.
Racial Profiiles
St. Clair County, AL, exhibits a predominantly homogenous demographic profile, with a single race percentage of 97.2%, slightly above the Alabama state average of 96.3%. The county's racial composition shows 85.2% White, 9.8% Black, and a minimal 0.4% Asian population, indicating a lower diversity compared to the national average of 34.1% non-White. The Hispanic population stands at 2.5%, significantly lower than Alabama's 4.6%. This demographic trend suggests St. Clair County is less diverse than both the state and national levels, reflecting a more traditional Southern demographic landscape.
One Race
97.2 %
Two or More Races
2.8 %
Non-White
14.8 %
Hispanic (Overlapping)
2.5 %
White
78169
Black
8985
Asian
373
Native American
310
Race Structure (%)
Source: Census.gov
Racial Profile Breakdown
Source: Census.gov
Place of Birth
St. Clair County, AL, exhibits a notably high percentage of U.S.-born residents at 98.5%, significantly above the Alabama state average of 96.5% and the national average of 86.3%. The county's foreign-born population is just 1.5%, with 61% of these individuals being naturalized citizens. Comparatively, nearby counties like Jefferson and Mobile have higher percentages of foreign-born residents (3.9% and 3.2%, respectively). This suggests that St. Clair County has a more homogenous population, which may influence its cultural dynamics and economic opportunities relative to more diverse counties in Alabama.
Native US Citizen
78169
Native US Citizen (%)
14.8 %
Born in Alabama (%)
75.6 %
Born in Other State (%)
22.5 %
Foreign Born (%)
1.5 %
Naturalized (% of Foreign Born)
61 %
Place of Birth Changes (2010-2022)
Source: Census.gov
Birthplace Breakdown (Outside of US)
Source: Census.gov
Migration
-
Migration Inflow (% of Population)
10.8 %
From Different County (% of Inflow)
67.6 %
From Different State (% of Inflow)
30.9 %
From Different Country (% of Inflow)
1.5 %
%
Source: Census.gov
Religion
Number of Congregations
162
Number of Adherents
47436
Adherents (% of Total Population)
51.7 %
Christian (% of Total Population)
51.3 %
Religion Breakdown
Source: Census.gov
Education Attainment
St. Clair County, AL, shows a modest educational attainment level, with 19.3% of the population aged 25 and older holding a bachelor's degree, which is below the Alabama state average of 27.2% and significantly lower than the national average of 34.3%. Over the past decade, the county has seen a notable increase from 15.5%. The median earnings for St. Clair County residents aged 25 and older stand at $47,383, which is slightly above the state median of $43,016 but lower than the national median of $48,747. Additionally, 36.4% of degree holders are enrolled in STEM fields, indicating a potential area for growth in higher education and workforce development.