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COUNTY · 2020 ACS

St. Clair County

Michigan · 160,383 residents · 721.488 sq mi
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The short version

St. Clair County has lower-than-average household income, with a median household income of $58,722. Population has held roughly steady since 2000. 19% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $162,300. With a median age of 44.5, the population is older than the US median of 38.8.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 44.5
US median: 38.8
Less educated
19% hold a bachelor's degree
US average: 33%
More affordable
home values down 12%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
160,383
−2%since 2000
from 164,235 in 2000
1990 – 2025
Population density
222 / sq mi
−2%since 2000
from 228 / sq mi in 2000
US average: 280
Median age
44.5
+22%since 2000
from 36.4 in 2000
US average: 38.8
Population, 1990 – 2024
143K150K157K165K172K1990201020202024St. Clair County
2024160K
1990201020202024
Section 02

Income & economy

Median household income
$58,722
−16%inflation adjusted, since 2000
from $46,313 in 2000
US average: $66,278
1990 – 2024
Per capita income
$31,724
+47%since 2000
from $21,582 in 2000
US average: $35,364
Households earning $100K+
38.9%
+9.5 ptssince 2009
from 29.5% in 2009
US average: 43.9%
Poverty rate
12.4%
+4.6 ptssince 2000
from 7.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade22.3%
US avg: 10%
Information11.5%
US avg: 11.1%
Wholesale trade8.2%
US avg: 6.7%
Finance & insurance5.3%
US avg: 5.5%
Professional, scientific, technical3.8%
US avg: 4.7%
Other services3.3%
US avg: 6.6%
Public administration2.1%
US avg: 4.7%
Transportation & warehousing1.7%
US avg: 2.5%
Education & health services1.5%
US avg: 0.8%
Arts, entertainment, food1.2%
US avg: 2%
Agriculture, forestry, fishing1%
US avg: 1.7%
Construction0.8%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$162,300
−12%inflation adjusted, since 2000
from $122,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$840
+4%inflation adjusted, since 2000
from $537 in 2000
US average: $1,124
Owner-occupied
77.0%
−2.6 ptssince 2000
from 79.6% in 2000
23.0% rent
Afford Score
2.8
+4%since 2000
from 2.6 in 2000
1990 – 2024
RELATED:See current rent listings in St. Clair County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.7%(153,893)
Black2.1%(3,381)
Hispanic / Latino2.2%(3,593)
Asian0.4%(637)
Other0%
Diversity Score11.4%(18,699)
Segregation Score0%
2020
White, non-Hispanic88.8%(142,396)
Black2.4%(3,773)
Hispanic / Latino3.4%(5,505)
Asian0.5%(809)
Other2.9%(4,630)
Diversity Score22%(35,257)
Segregation Score39.6%(63,450)
Diversity Score
22
+93%since 2000
from 11 in 2000
1990 – 2024
Segregation Score
40
Section 05

Education

Bachelor's degree or higher
19.1%
+6.5 ptssince 2000
from 12.6% in 2000
US average: 32.9%
High school or higher
91.4%
+8.6 ptssince 2000
from 82.8% in 2000
US average: 88.5%
Graduate degree
7.2%
+2.6 ptssince 2000
from 4.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
29.5 min
+33%since 2000
from 22.3 min in 2000
US average: 26.9
Drive alone to work
83.5%
−0.7 ptssince 2009
from 84.2% in 2009
US average: 75.1%
No vehicle available
5.9%
+0.8 ptssince 2009
from 5.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.6%
−7.3 ptssince 2011
from 14.0% in 2011
US average: 5.4%
Labor force participation
59.8%
−2.5 ptssince 2011
from 62.3% in 2011
US average: 63.4%
Management & professional
31.2%
−27.3 ptssince 2009
from 58.6% in 2009
US average: 39.3%
Section 08

People & community

Male
49.7%
+0.2 ptssince 2009
from 49.5% in 2009
Female
50.3%
−0.2 ptssince 2009
from 50.5% in 2009
Foreign born
2.2%
Unchangedsince 2009
from 2.3% in 2009
US average: 13.5%
Uninsured
5.2%
−83.4 ptssince 2013
from 88.6% in 2013
US average: 8.8%
Drill deeper

Places similar to St. Clair County

Kings County
Pop 154,327
Mesa County
Pop 162,845
Johnson County
Pop 160,044
Indian River County
Pop 172,799
Places similar to St. Clair County
Head to head

Compare St. Clair County to nearby counties

ST. CLAIR COUNTY VS
Macomb County
Income$77,837+33%
Home value$243,900+50%
Population886,221+452%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Lapeer County
Income$77,306+32%
Home value$239,000+47%
Population89,516−44%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Sanilac County
Income$58,863same
Home value$168,300+4%
Population40,083−75%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Oakland County
Income$97,760+66%
Home value$343,600+112%
Population1,288,337+703%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Clair County, Michigan?

St. Clair County, Michigan has about 160,383 residents according to the 2020 American Community Survey.

What is the median household income in St. Clair County, Michigan?

The typical household in St. Clair County, Michigan earns about $58,722 a year. Half of households make more than that, and half make less.

Is St. Clair County, Michigan expensive?

In St. Clair County, Michigan, the median home is worth about $162,300, and the typical rent is about $840 a month.

How educated are people in St. Clair County, Michigan?

About 19.1% of adults age 25 and over in St. Clair County, Michigan hold a bachelor's degree or higher.

What is the poverty rate in St. Clair County, Michigan?

About 12.4% of people in St. Clair County, Michigan live below the federal poverty line.

Has St. Clair County, Michigan grown since 1990?

Yes, St. Clair County, Michigan has grown since 1990. The population has added about 14,776 residents, a change of about 10 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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