Saint Clair, MI demographics:
population, income, and more

Total population
12,711
0.2% year-over-year change
Median household income
$79,891/yr
-0.5% year-over-year change
Housing units
5,415
0.2% year-over-year change

Saint Clair population

How many people live in Saint Clair

Saint Clair is home to 12,711 residents, according to the most recent Census data. Gender-wise, 47.5% of Saint Clair locals are male, and 52.5% are female.

Total population
12,711
0.2% year-over-year change
Gender ratio
Male
47.5%
6,035
Female
52.5%
6,676
Value Percent YoY change
Male 6,035 47.5% -4.0%
Female 6,676 52.5% 4.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Saint Clair is 45, with the population distributed as follows: about 16.9% are children under 15, then 11.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.4% of the population, while another 30.2% fall into the 45 to 64 bracket. Finally, around 20% are 65 or older.

Median age
45.3
Age breakdown
Under 15
16.9%
15 to 24
11.3%
25 to 44
21.4%
45 to 64
30.2%
Over 65
20%
Value Percent YoY change
Under 15 2,151 16.9% 3.1%
15 to 24 1,442 11.3% -6.5%
25 to 44 2,726 21.4% -3.0%
45 to 64 3,845 30.2% -1.2%
Over 65 2,547 20% 8.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Saint Clair, 95.7% of the population are US-born citizens, while 3.1% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 93.9% of locals are Caucasian, 1.6% are African American and 0.1% have Asian roots. There’s also a share of 3.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.7%
Non-U.S.-born citizens
3.1%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 12,162 95.7% -0.2%
Non-U.S.-born citizens 390 3.1% 8.0%
Non-citizens 159 1.2% 18.7%
Racial breakdown
White
93.9%
Black or African American
1.6%
American Indian and Alaska Native
0%
Asian
0.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.9%
Other
0.4%
Value Percent
White 11,940 93.9%
Black or African American 208 1.6%
Asian 11 0.1%
Two or more races 495 3.9%
Other 57 0.4%

Households in Saint Clair

A peek inside Saint Clair households

Saint Clair has 5,348 households, with an average of 2 members in each. Of these, 65.7% are families, while the remaining 34.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,348
2.8% year-over-year change
Average people per household
2
Non-family households
1,832
Family households
3,516
Value Percent YoY change
Non-family households 1,832 34.3% 13.7%
Family households 3,516 65.7% -2.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Saint Clair

The housing landscape of Saint Clair

Saint Clair's housing consists of 5,415 units, with 80.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.4% of the housing landscape.

Housing units
5,415
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 4,381 80.9%
1 unit, attached 397 7.3%
2 units 43 0.8%
3 or 4 units 160 3%
5 to 9 units 134 2.5%
10 to 19 units 102 1.9%
20 to 49 units 45 0.8%
50 or more units 70 1.3%
Mobile home 78 1.4%
Boat, RV, van, etc. 5 0.1%
Homes built since 2020
30
% year-over-year change

The age of buildings in Saint Clair

In Saint Clair, the median construction year is 1978. About 14.8% of homes were built before the 1940s, with another 9% going up by 1949. Most development happened in the second half of the 20th century. Then, 11% of homes were added from 2000 to 2009, 4.5% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 802 14.8% -4.6%
Built between 1940 and 1949 490 9% 15.3%
Built between 1950 and 1959 551 10.2% 9.3%
Built between 1960 and 1969 296 5.5% -18.9%
Built between 1970 and 1979 676 12.5% 7.8%
Built between 1980 and 1989 590 10.9% -11.0%
Built between 1990 and 1999 1,138 21% -3.9%
Built between 2000 and 2009 598 11% 10.9%
Built between 2010 and 2019 244 4.5% -4.3%
Built in 2020 or later 30 0.6% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Saint Clair occupancy rates

Out of the 5,348 occupied housing units in Saint Clair, 82.1% are owner-occupied, while 17.9% are lived in by tenants. Meanwhile, 1.2% of all homes on the local market sit vacant.

Occupied housing units
5,348
2.8% year-over-year change
Occupancy breakdown
Renter occupied
956
Owner occupied
4,392
Value Percent YoY
change
Renter occupied 956 17.9% 3.4%
Owner occupied 4,392 82.1% 2.7%
Unoccupied housing units
1.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Saint Clair housing costs

Housing costs in Saint Clair come to a median of $1,107 per month, while tenants specifically pay a median gross rent of $1,139.

Median housing costs per month
$1,107/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Saint Clair
$1,139/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Saint Clair

Saint Clair education at a glance

About 34.8% of the population in Saint Clair went to high school, while 26.5% pursued college studies. Another 13.1% earned an associate degree and 17% hold a bachelor’s. Meanwhile, 7.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 132 1.3% 36.1%
High school diploma 3,482 34.8% -3.0%
College diploma 2,652 26.5% -4.4%
Associate degree 1,311 13.1% 3.1%
Bachelor's degree 1,702 17% -1.2%
Graduate degree 737 7.4% 18.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Saint Clair

How much people earn in Saint Clair

The average annual household income in Saint Clair was $102,928 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -7.2% change from the previous year. At the same time, the median income stood at $79,891, reflecting a -0.5% shift over the same period.

Average household income in Saint Clair
$102,928/year
-7.2% year-over-year change
Median household income in Saint Clair
$79,891/year
-0.5% year-over-year change

Saint Clair income by age

In Saint Clair, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $93,214. Those with someone between 45 and 64 in charge, often well established professionally, earn $105,783 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $65,192, while those led by someone over 65, many of whom may be retired, have about $53,627 in earnings. Overall, 93.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $65,192 -0.3%
25 - 44 $93,214 12.9%
45 - 64 $105,783 1.5%
Over 65 $53,627 0.8%
Above poverty level
11,874
Below poverty level
773
Value Percent YoY
change
Above poverty level 11,874 93.9% 1.5%
Below poverty level 773 6.1% -13.1%

Employment in Saint Clair

Workforce and job types in Saint Clair

75% of the working population are employed in professional or administrative positions, while 25% are in hands-on or service-based jobs. Also, 9.4% run their own businesses, 71.1% are employed by private companies, and 13.7% work in the public sector.

Workforce demographics

White collar
4,705
Blue collar
1,565
Value Percent YoY change
White collar 4,705 75% 6.3%
Blue collar 1,565 25% -6.7%
Employer type
Self employees
9.4%
Private companies
71.1%
Governmental workers
13.7%
Not for profit companies
5.8%
Value Percent YoY change
Self employees 591 9.4% -3.4%
Private companies 4,456 71.1% 2.0%
Governmental workers 861 13.7% 18.3%
Not for profit companies 362 5.8% -7.9%

Transportation in Saint Clair

How people get around in Saint Clair

Commuting methods vary: 98.8% of residents travel by personal vehicle and 1.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 5,482 98.8% 2.1%
Bus or trolleybus 1 0% 0.0%
Walk 68 1.2% -25.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Saint Clair by zipcode?

Zipcode Population Number of households Median income Average income
48079 12,711 5,348 $79,891 $102,930

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FAQs about Saint Clair demographics 

What is the total population of Saint Clair?

Saint Clair has a total population of 12,711 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.2% compared to a year ago.

What is the gender ratio in Saint Clair?

The gender ratio in Saint Clair is as follows:
  • 47.5% males (6,035 residents)
  • 52.5% females (6,676 residents)

What is the median age in Saint Clair?

The median age in Saint Clair is 45.3.

What is the age distribution of the population in Saint Clair?

The age distribution in Saint Clair is as follows:
  • Under 15: 16.9% (2,151 residents)
  • Ages 15-24: 11.3% (1,442 residents)
  • Ages 25-44: 21.4% (2,726 residents)
  • Ages 45-64: 30.2% (3,845 residents)
  • Over 65: 20% (2,547 residents)

What is the racial and ethnic makeup of Saint Clair?

The racial and ethnic makeup of Saint Clair is as follows:
  • White: 93.9% (11,940 residents)
  • Black or African American: 1.6% (208 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0.1% (11 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 3.9% (495 residents)
  • Other: 0.4% (57 residents)

What percentage of the population in Saint Clair are U.S.-born citizens?

U.S.-born citizens represent 95.7% of the population in Saint Clair.

How many housing units are there in Saint Clair?

There are 5,415 housing units in Saint Clair, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Saint Clair and what is the average household size?

Saint Clair has a total of 5,348 households, with an average of 2 people in each.

What is the median household income in Saint Clair?

Saint Clair has a median household income of $79,891, representing a -0.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Saint Clair?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 75% (4,705 residents)
  • Blue-collar workers: 25% (1,565 residents)

Places of employment:
  • Self-employed: 9.4% (591 residents)
  • Private companies: 71.1% (4,456 residents)
  • Governmental workers: 13.7% (861 residents)
  • Not-for-profit companies: 5.8% (362 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025