St. Clair County, Alabama Population 2021

St. Clair County, Alabama's estimated population is 91,228 with a growth rate of 0.95% in the past year according to the most recent United States census data. St. Clair County, Alabama is the 16th largest county in Alabama. The 2010 Population was 83,571 and has seen a growth of 9.16% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202191,2288580.95%
202090,3708580.96%
201989,5128580.97%
201888,6547280.83%
201787,9266200.71%
201687,3067600.88%
201586,5465500.64%
201485,9961860.22%
201385,8101,0491.24%
201284,7617860.94%
201183,9754040.48%
201083,57133,56267.11%
199050,0098,80421.37%
198041,20513,24947.39%
197027,9562,56810.12%
196025,388-1,299-4.87%
195026,687-649-2.37%
194027,3362,82611.53%
193024,5101,1274.82%
192023,3832,66812.88%
191020,7151,2906.64%
190019,4252,07211.94%
189017,3532,89119.99%
188014,4625,10254.51%
18709,360-1,653-15.01%
186011,0134,18461.27%
18506,8291,19121.12%
18405,638-337-5.64%
18305,9751,80943.42%
18204,1660.00%
2021 Growth Rate
0.95%
County Website
State
Founded
November 20, 1818
2010 Population
83,571
Growth Since 2010
9.16%
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St. Clair County, Alabama Population Growth

Population by Race

Race Population Percentage
White76,77487.25%
Black or African American8,4479.60%
Two or More Races1,0421.18%
Asian7450.85%
Some Other Race6190.70%
American Indian and Alaska Native3510.40%
Native Hawaiian and Other Pacific Islander110.01%
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St. Clair County, Alabama Population by Race

St. Clair County, Alabama Population Pyramid $2021

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St. Clair County, Alabama Median Age

40.3


Total

39.2


Male

41.8


Female

St. Clair County, Alabama Adults

There are 67,948 adults, (14,317 of whom are seniors) in St. Clair County, Alabama.

St. Clair County, Alabama Age Dependency

64.1

Age Dependency Ratio

26.7

Old Age Dependency Ratio

37.4

Child Dependency Ratio

St. Clair County, Alabama Sex Ratio

Female

43,976

49.98%

Male

44,013

50.02%

St. Clair County, Alabama Population by Age

St. Clair County, Alabama Renter vs Owner Occupied by Household Type

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St. Clair County, Alabama Household Types

Type Owner Renter
Married87.3%12.7%
All79.9%20.1%
Non Family71%29%
Male67.5%32.5%
Female66.8%33.2%

79.9%

Rate of Home Ownership

St. Clair County, Alabama Households and Families

Type Count Average Size Owned
All32,0362.6879.9
Married18,6363.2387.3
Non Family8,6361.1671
Female3,3723.2966.8
Male1,3923.1967.5

3.17

Average Family Size

2.68

Average Household Size

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St. Clair County, Alabama Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,1695.16%
9th to 12th Grade6,31910.29%
High School Graduate21,84935.57%
Some College14,22123.15%
Associates Degree5,9869.75%
Bachelors Degree6,51210.60%
Graduate Degree3,3685.48%
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St. Clair County, Alabama Educational Attainment by Sex (over 25)

St. Clair County, Alabama Educational Attainment by Race

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Race Total High School Bachelors
White53,63645,7328,857
Black5,4754,345578
Hispanic1,133802140
Asian534504112
2+ Races522486132
Other Race29416811
Native American21014761
Islander1111

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 29.05%.

St. Clair County, Alabama Educational Attainment by Race

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Name Average Male Female
Overall$40,463$51,474$32,293
Less Than 9th Grade$24,878$26,236$18,200
High School Graduate$36,650$44,817$26,796
Some College$41,672$54,020$32,149
Bachelors Degree$52,458$66,605$42,500
Graduate Degree$58,760$61,867$56,905

$40,463

Average Earnings

$51,474

Average Male

$32,293

Average Female

St. Clair County, Alabama Earnings by Educational Attainment

St. Clair County, Alabama Language by Age

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St. Clair County, Alabama Language

97.39% of St. Clair County, Alabama residents speak only English, while 2.61% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.69% of the population.

St. Clair County, Alabama Language

St. Clair County, Alabama Poverty by Race

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Name Total In Poverty Poverty Rate
White74,6008,70211.66%
Black7,3131,19816.38%
Hispanic2,11154825.96%
Other61924940.23%
Native3515615.95%
Multiple1,040141.35%
Asian745131.74%

12.21%

Overall Poverty Rate

12.23%

Male Poverty Rate

12.19%

Female Poverty Rate

Poverty in St. Clair County, Alabama

The race most likely to be in poverty in St. Clair County, Alabama is Other, with 40.23% below the poverty level.

The race least likely to be in poverty in St. Clair County, Alabama is Multiple, with 1.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.07%. Among those working part-time, it was 12.62%, and for those that did not work, the poverty rate was 19.90%.

St. Clair County, Alabama Poverty

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Name Poverty
Less Than 9th Grade29.26%
High School11.00%
Some College6.76%
Bachelors or Greater3.37%

St. Clair County, Alabama Poverty Rate by Education

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Rate Poverty
Male Unemployed31.12%
Female Unemployed27.72%
Female Employed6.19%
Male Employed3.87%

St. Clair County, Alabama Poverty Rate by Employment Status and Sex

St. Clair County, Alabama Income by Household Type

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Name Median Mean
Households$58,308$70,326
Families$68,977$80,307
Married Families$79,307$89,434
Non Families$33,071$40,633
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Income by Household Type

St. Clair County, Alabama Marital Status

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Marriage Rates

55.5%

Overall Marriage Rate

56.1%

Male Marriage Rate

54.9%

Female Marriage Rate

St. Clair County, Alabama Married by Age and Sex

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St. Clair County, Alabama Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

St. Clair County, Alabama Marital Status by Race

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St. Clair County, Alabama Marital Status

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6,296

Number of Veterans

5,848

Male Veterans

448

Female Veterans

War Veterans
Vietnam2,546
Second Gulf War1,035
First Gulf War905
Korea494
World War II160

St. Clair County, Alabama Veterans by War

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Age Group Veterans
65 to 741,733
75+1,472
55 to 641,429
35 to 541,095
18 to 34567

St. Clair County, Alabama Veterans by Age

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Name Veterans % of Total
White5,5349.27%
Black4947.74%
2+ Races13520.42%
Hispanic1088.27%
Native American7522.94%
Asian305.73%
Other Race175.78%
Islander11100.00%

St. Clair County, Alabama Veterans by Race

St. Clair County, Alabama Veterans by Education

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8.49%

Veteran Poverty Rate

35.32%

Veteran Disability Rate

St. Clair County, Alabama Veterans by Education

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58%

Labor Force Participation

54.9%

Employment Rate

5.3%

Unemployment Rate

St. Clair County, Alabama Employment by Age

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St. Clair County, Alabama Employment by Race

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St. Clair County, Alabama Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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77.46%

Born in St. Clair County, Alabama

98.40%

Native Born

1.60%

Foreign Born

0.81%

Non Citizen

0.79%

Naturalized

Place of Birth

98.40% of St. Clair County, Alabama residents were born in the United States, with 77.46% having been born in Alabama. 0.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

St. Clair County, Alabama Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources