2023 St. Clair County, Michigan Demographics | Data & Analysis

Ready-to-use reports, analytics, and visualizations covering St. Clair County, Michigan, including population, race, income, and more. Based on 2023 American Community Survey Estimates.

St. Clair County, Michigan Key Demographic Statistics (2023 Estimates)

Key demographic statistics for St. Clair County, Michigan summarized from the U.S. Census Bureau's 2023 American Community Survey (ACS).

Total Population
160,089
Median Age
44.3 years
Median Household Income
$69,349
Bachelor's Degree+
20.33%
Uninsured Rate
4.8%
Total Households
66,618
Total Workers
74,425
Citizenship Rate
99.2%

Source: U.S. Census Bureau, 2023 American Community Survey (ACS) Estimates

St. Clair County, Michigan 2023 Population: Age & Gender Distribution

Bar chart showing the population distribution of St. Clair County, Michigan by age group and gender, based on 2023 ACS data.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the total population of St. Clair County, Michigan is 160,089. The median age of the population in St. Clair County, Michigan is 44.3 years. The median age for males is 43.3 years, and for females it is 45.2 years.

The age distribution of the population in St. Clair County, Michigan by age group is as follows:

Age Group Percentage
Under 5 years 4.90%
5–17 years (children) 15.62%
18–24 years (young adults) 7.61%
25–34 years 11.35%
35–54 years 24.73%
55–64 years 16.02%
65 years and over (seniors) 19.77%

The total dependency ratio in St. Clair County, Michigan is 67.45. The youth dependency ratio is 34.35, and the old-age dependency ratio is 33.10. In demographic terms, the dependency ratio measures the size of the population typically not in the labor force (children under 18 and older adults 65+) relative to the working age (18-64) population. A higher ratio indicates a greater financial and social burden on the working population to support the non-working age groups.


What is the Racial and Ethnic Breakdown of St. Clair County, Michigan?

Race and Ethnicity Distribution Chart for St. Clair County, Michigan
Source: U.S. Census Bureau, 2023 ACS Estimates

The racial makeup and ethnic composition (racial demographics) of St. Clair County, Michigan is detailed below, based on the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates.

The Diversity Index for St. Clair County, Michigan is calculated at 18.69, suggesting a very low level of racial and ethnic diversity. This index measures the probability that two people chosen at random will be from different racial or ethnic groups.

The following table provides the breakdown of the population of St. Clair County, Michigan by race and ethnicity:

Racial/Ethnic Group Percentage
White Alone (Non-Hispanic) 90.01%
Hispanic or Latino (Any Race) 3.59%
Two or More Races 3.29%
Black/African American Alone 2.24%
Asian Alone 0.47%
Some Other Race Alone 0.29%
American Indian and Alaska Native Alone 0.10%
Native Hawaiian or Other Pacific Islander Alone 0.00%

St. Clair County, Michigan 2023 Demographics: Household Income Distribution

Horizontal bar chart showing household income distribution in St. Clair County, Michigan.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the median household income in St. Clair County, Michigan over the past 12 months, adjusted for 2023 inflation, was $69,349. This figure is based on a total of 66,618 households.

The distribution of household income in St. Clair County, Michigan across various income brackets is as follows:

Income Range Percentage of Households
Less than $20,000 11.65%
$20,000 to $34,999 11.43%
$35,000 to $49,999 12.21%
$50,000 to $74,999 18.22%
$75,000 to $149,999 32.15%
$150,000 or more 14.34%

St. Clair County, Michigan 2023 Demographics: Property Value Distribution

Line chart showing the distribution of property values for owner-occupied housing units in St. Clair County, Michigan.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the distribution of property values for owner-occupied housing units in St. Clair County, Michigan is based on a total of 53,655 properties.

The property value distribution in St. Clair County, Michigan across various value brackets is as follows:

Property Value Range Percentage of Properties
Less than $25,000 4.34%
$25,000 to $49,999 2.77%
$50,000 to $99,999 7.82%
$100,000 to $199,999 30.90%
$200,000 to $499,999 48.23%
$500,000 to $999,999 5.45%
$1,000,000 or more 0.50%

Educational Attainment in St. Clair County, Michigan (2023 Data)

Treemap chart illustrating the educational attainment breakdown for population 25 years and over in St. Clair County, Michigan.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the educational attainment data covers the population 25 years and older in St. Clair County, Michigan, totaling 115,061 individuals.

A significant portion of the population, 92.09%, has attained a high school diploma or higher. Furthermore, the percentage of individuals who hold a Bachelor's Degree or a higher professional/graduate degree is 20.33%.

The detailed breakdown by educational level is presented below:

Educational Attainment Level Percentage of Population 25+
Less than high school graduate 7.91%
High school graduate (incl. equivalency) 33.18%
Some college or associate's degree 38.58%
Bachelor's Degree 12.79%
Graduate or professional degree 7.54%

What is the Health Insurance Coverage Rate in St. Clair County, Michigan?

Pyramid chart showing health insurance coverage by age and sex in St. Clair County, Michigan.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the health insurance coverage data for St. Clair County, Michigan shows that 4.8% of the population lacks health insurance coverage. This represents 7,686 individuals out of a total population of 158,867 people.

The uninsured rates vary significantly by age group. Young adults (18-34 years) have uninsured rates of 13.0% for males and 5.2% for females. In the 35-64 age bracket, 7.6% of males and 4.9% of females are uninsured.

Children under 18 and seniors aged 65+ generally have higher coverage rates due to public programs like Medicaid/CHIP and Medicare. In St. Clair County, Michigan, uninsured rates for children are 3.4% for males and 2.0% for females, while seniors have rates of 0.2% for males and 0.3% for females.

Age Group Male Uninsured % Female Uninsured %
Under 18 3.4% 2.0%
18-34 years 13.0% 5.2%
35-64 years 7.6% 4.9%
65+ years 0.2% 0.3%

St. Clair County, Michigan 2023 Population by Nativity and Citizenship Status

Treemap showing the population distribution by nativity and citizenship status in St. Clair County, Michigan based on U.S. Census data.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the nativity and citizenship data for St. Clair County, Michigan shows that 99.2% of the population are U.S. citizens. This includes both native-born and naturalized citizens, representing 158,764 individuals out of a total population of 160,089 people.

The nativity breakdown reveals diverse origins: 97.3% were born in the United States, 0.0% were born in Puerto Rico or U.S. Island Areas, and 0.7% were born abroad of American parent(s).

Among the foreign-born population, 1.1% of the total population have become naturalized U.S. citizens (1,837 individuals), while 0.8% are non-citizens (1,325 individuals).

Nativity/Citizenship Status Percentage
Born in the United States 97.3%
Born in Puerto Rico or U.S. Island Areas 0.0%
Born abroad of American parent(s) 0.7%
U.S. citizen by naturalization 1.1%
Not a U.S. citizen 0.8%
Total U.S. Citizens 99.2%

St. Clair County, Michigan 2023 Demographics: Means of Transportation to Work

Treemap showing means of transportation to work distribution in St. Clair County, Michigan.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the commuting patterns for St. Clair County, Michigan show that 89.8% of workers commute by car, truck, or van. This represents 65,263 workers out of a total workforce of 72,698 people.

Public transportation usage stands at 0.8% (594 workers), which includes buses, subways, light rail, commuter trains, and ferries, but excludes taxicabs. Active transportation methods include walking (1.3%) and bicycling (0.3%).

7.1% of workers in St. Clair County, Michigan report working from home. An additional 0.7% use other means such as taxicabs, motorcycles, or other forms of transportation. These alternative commuting patterns reflect changing work arrangements and transportation preferences in the modern workforce.

Transportation Method Percentage Number of Workers
Car, truck, or van 89.8% 65,263
Public transportation 0.8% 594
Bicycle 0.3% 240
Walked 1.3% 943
Taxicab, motorcycle, or other means 0.7% 489
Worked from home 7.1% 5,169
Total Workers - 72,698

St. Clair County, Michigan 2023 Demographics: Employment by Class of Worker

Horizontal bar chart showing employment distribution by class of worker and gender in St. Clair County, Michigan, based on 2023 ACS data.
Source: U.S. Census Bureau, 2023 ACS Estimates

According to the U.S. Census Bureau's 2023 American Community Survey (ACS) Estimates, the civilian employed population aged 16 and over in St. Clair County, Michigan totals 74,425 workers. Of these, 39,843 (53.5%) are male and 34,582 (46.5%) are female.

The employment distribution by class of worker in St. Clair County, Michigan is as follows:

Employment Class Male Workers Female Workers
Private For-Profit 31,779 (42.7%) 23,198 (31.2%)
Private Non-Profit 1,657 (2.2%) 4,325 (5.8%)
Government (All Levels) 3,809 (5.1%) 5,327 (7.2%)
  • Local Government 2,121 3,877
  • State Government 560 736
  • Federal Government 1,128 714
Self-Employed 2,582 (3.5%) 1,690 (2.3%)

Class of worker categorizes employed civilians by their employment arrangement. Private sector workers are employed by for-profit or non-profit companies. Government workers include those employed at local, state, or federal levels. Self-employed workers operate their own unincorporated businesses. Understanding the class of worker distribution provides insights into the economic structure and employment diversity of St. Clair County, Michigan.


Frequently Asked Questions (FAQs)

The age breakdown for the population of St. Clair County, Michigan is detailed below, showing the percentage of the total population for each group:

Age Group Percentage
Under 5 years4.90%
5–17 years (children)15.62%
18–24 years (young adults)7.61%
25–34 years11.35%
35–54 years24.73%
55–64 years16.02%
65 years and over (seniors)19.77%

The racial and ethnic composition of St. Clair County, Michigan is dominated by: White Alone (Non-Hispanic): 90.01%, Hispanic or Latino (Any Race): 3.59%, Two or More Races: 3.29%. The complete breakdown includes 8 distinct racial and ethnic categories.

The median household income in St. Clair County, Michigan is $69,349. This represents the midpoint of all household incomes in the area, meaning half of households earn more than this amount and half earn less.

The household income distribution in St. Clair County, Michigan is: Very Low Income (under $20,000): 11.65%, Low Income ($20,000-$34,999): 11.43%, Lower Middle Income ($35,000-$49,999): 12.21%, Middle Income ($50,000-$74,999): 18.22%, Upper Middle Income ($75,000-$149,999): 32.15%, High Income ($150,000+): 14.34%.

Approximately 32.26% of households in St. Clair County, Michigan earn over $100,000 annually. This includes households earning between $100,000 and $124,999, $125,000 and $149,999, $150,000 and $199,999, and $200,000 or more.

The property value distribution for owner-occupied housing units in St. Clair County, Michigan is: Less than $25,000: 4.34%, $25,000-$49,999: 2.77%, $50,000-$99,999: 7.82%, $100,000-$199,999: 30.90%, $200,000-$499,999: 48.23%, $500,000-$999,999: 5.45%, $1,000,000 or more: 0.50%.

There are 53,655 owner-occupied housing units in St. Clair County, Michigan. This represents homes that are owned by the people living in them, as opposed to rental properties or vacant units.

Approximately 5.94% of owner-occupied housing units in St. Clair County, Michigan are valued over $500,000. This includes properties valued between $500,000 and $749,999, $750,000 and $999,999, $1,000,000 and $1,499,999, $1,500,000 and $1,999,999, and $2,000,000 or more.

In St. Clair County, Michigan, 20.33% of the population aged 25 and older holds a bachelor's degree or higher. This includes those with bachelor's degrees as well as those with graduate or professional degrees.

The educational attainment breakdown for St. Clair County, Michigan (population 25+) is: Less than high school graduate: 7.91%, High school graduate (including equivalency): 33.18%, Some college or associate's degree: 38.58%, Bachelor's degree: 12.79%, Graduate or professional degree: 7.54%.

In St. Clair County, Michigan, 92.09% of the population aged 25 and older has completed at least a high school education. This includes high school graduates, those with some college, associate's degrees, bachelor's degrees, and graduate degrees.

In St. Clair County, Michigan, 4.8% of the population lacks health insurance coverage. This represents 7,686 individuals out of a total population of 158,867 people.

The uninsured rates vary by age group in St. Clair County, Michigan. For young adults (18-34 years), 13.0% of males and 5.2% of females lack coverage. In the 35-64 age group, 7.6% of males and 4.9% of females are uninsured. These working-age populations typically face different coverage challenges than children or seniors.

Children under 18 in St. Clair County, Michigan have uninsured rates of 3.4% for males and 2.0% for females. Seniors aged 65 and older, who are typically covered by Medicare, have uninsured rates of 0.2% for males and 0.3% for females. These age groups generally have higher coverage rates due to public programs.

In St. Clair County, Michigan, 99.2% of the population are U.S. citizens. This includes native-born citizens and naturalized citizens. Out of a total population of 160,089 people, 158,764 are U.S. citizens.

St. Clair County, Michigan has 1,837 naturalized U.S. citizens, representing 1.1% of the total population. These are foreign-born individuals who have gone through the naturalization process to become U.S. citizens.

The nativity and citizenship breakdown for St. Clair County, Michigan is: 97.3% were born in the United States, 0.0% were born in Puerto Rico or U.S. Island Areas, 0.7% were born abroad of American parent(s), 1.1% are foreign-born naturalized U.S. citizens, and 0.8% are foreign-born non-citizens.

In St. Clair County, Michigan, 89.8% of workers commute by car, truck, or van, making it the most common means of transportation to work. Out of 72,698 total workers, 65,263 use personal vehicles for their commute.

594 workers in St. Clair County, Michigan use public transportation (excluding taxicabs) to commute to work, representing 0.8% of all workers. This includes buses, subways, light rail, commuter trains, and ferries.

Alternative commute methods in St. Clair County, Michigan include: 7.1% work from home, 1.3% walk to work, 0.3% bicycle, and 0.7% use other means such as taxicabs or motorcycles. These alternatives to driving alone help reduce traffic congestion and environmental impact.

"Class of worker" refers to the type of employer or work arrangement for employed civilians aged 16 and over in St. Clair County, Michigan. It categorizes workers into private sector (for-profit and non-profit), government (local, state, and federal), self-employed, and unpaid family workers. This classification helps understand the employment structure and economic composition of the workforce.

According to the American Community Survey, St. Clair County, Michigan has 74,425 employed civilians aged 16 and over. The private for-profit sector employs the largest share of workers, with 42.7% of male workers and 31.2% of female workers in this category.

In St. Clair County, Michigan, there are 3,809 male government workers and 5,327 female government workers. Government employment includes local, state, and federal positions. This represents 5.1% of male workers and 7.2% of female workers.

Self-employment in St. Clair County, Michigan includes 2,582 males (3.5%) and 1,690 females (2.3%). Self-employed workers operate their own businesses that are not legally incorporated.