Editing St. Clair County, Michigan (section)

==Demographics==
{{US Census population
|1830= 1114
|1840= 4606
|1850= 10420
|1860= 26604
|1870= 36661
|1880= 46197
|1890= 52105
|1900= 55228
|1910= 52341
|1920= 58009
|1930= 67563
|1940= 76222
|1950= 91599
|1960= 107201
|1970= 120175
|1980= 138802
|1990= 145607
|2000= 164235
|2010= 163040
|2020= 160383
|estyear=2023
|estimate=159874
|estref=<ref name="USCensusEst2023">{{cite web|url=https://www.census.gov/programs-surveys/popest/data/tables.html|title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023|publisher=United States Census Bureau|access-date=April 4, 2024}}</ref>
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=September 28, 2014}}</ref><br />1790–1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=September 28, 2014}}</ref> 1900–1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/mi190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=September 28, 2014}}</ref><br />1990–2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://web.archive.org/web/20100327165705/http://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=March 27, 2010 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|access-date=September 28, 2014}}</ref> 2010–2019<ref name="QF"/>
}}

The [[2010 United States Census|2010 United States census]]<ref name=AmFactFinder>{{cite web | url= https://www.census.gov | title=U.S. Census website | publisher=[[United States Census Bureau]] |access-date=March 11, 2012}}</ref> indicates St. Clair County had a 2010 population of 163,040. This is a decrease of -1,195 people from the [[2000 United States Census|2000 United States census]]. Overall, the county had a -0.7% growth rate during this ten-year period. In 2010 there were 63,841 households and 44,238 families in the county. The [[population density]] was {{convert|226.1|/mi2|/km2|abbr=off|sp=us}}. There were 71,822 housing units at an average density of {{convert|99.6|/mi2|/km2|abbr=off|sp=us}}. 93.9% were [[White American|White]], 2.4% [[African American|Black or African American]], 0.5% [[Asian American|Asian]], 0.4% [[Native Americans in the United States|Native American]], 0.7% of some other race and 2.0% [[Multiracial American|of two or more races]]. 2.9% were [[Hispanic and Latino Americans|Hispanic or Latino]] (of any race). 25.9% identified as of [[German American|German]], 10.2% [[Polish American|Polish]], 9.3% [[Irish American|Irish]], 8.5% [[English American|English]], 6.5% [[French American|French]], 6.5% [[American ethnicity|American]], and 5.1% [[Italian American|Italian]] ancestry.<ref name=AmFactFinder />

There were 63,841 households, out of which 31.3% had children under the age of 18 living with them, 52.9% were opposite-sex [[Family|families]], 11.4% had a female householder with no husband present, 30.7% were non-families, and 25.5% were made up of individuals. The average household size was 2.52 and the average family size was 3.01.

In the county, the population was spread out, with 23.7% under the age of 18, 8.0% from 18 to 24, 23.8% from 25 to 44, 30.1% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 98.1 males. For every 100 females age 18 and over, there were 95.7 males.

The [[American Community Survey|2010 American Community Survey 1-year estimate]]<ref name=AmFactFinder /> indicates the [[median income]] for a household in the county was $44,369 and the median income for a family was $53,207. Males had a median income of $30,056 versus $16,771 for females. The [[per capita income]] for the county was $22,390. About 10.4% of families and 15.4% of the population were below the [[poverty line]], including 22.7% of those under the age of 18 and 6.8% of those age 65 or over.