Editing Jefferson County, Wisconsin (section)

==Demographics==
{{US Census population
|1840= 914
|1850= 15317
|1860= 30438
|1870= 34040
|1880= 32156
|1890= 33530
|1900= 34789
|1910= 34306
|1920= 35022
|1930= 36785
|1940= 38868
|1950= 43069
|1960= 50094
|1970= 60060
|1980= 66152
|1990= 67783
|2000= 74021
|2010= 83686
|2020= 84900
|estyear= 2023
|estimate= 85743
|estref=
|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=August 5, 2015}}</ref><br />1790–1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=August 5, 2015}}</ref> 1900–1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/wi190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|editor-last=Forstall|editor-first=Richard L.|date=March 27, 1995|access-date=August 5, 2015}}</ref><br />1990–2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=October 9, 2022 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|date=April 2, 2001|access-date=August 5, 2015}}</ref> 2010<ref name="QF">{{cite web|title=State & County QuickFacts|url=http://quickfacts.census.gov/qfd/states/55/55055.html|publisher=United States Census Bureau|access-date=January 21, 2014|url-status=dead|archive-url=https://web.archive.org/web/20110606160626/http://quickfacts.census.gov/qfd/states/55/55055.html|archive-date=June 6, 2011}}</ref> 2020<ref name="2020-census-55055" />
}}

As of the [[2020 United States census|census of 2020]],<ref name="2020-census-55055">{{cite web|title=2020 Decennial Census: Jefferson County, Wisconsin |url=https://data.census.gov/cedsci/table?g=0500000US55055&y=2020&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29 |website=data.census.gov |publisher=U.S. Census Bureau |access-date=July 5, 2022}}</ref> the population was 84,900. The [[population density]] was {{convert|152.6|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. There were 36,376 housing units at an average density of {{convert|65.4|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The racial makeup of the county was 88.5% [[White (U.S. Census)|White]], 1.0% [[Black (U.S. Census)|Black]] or [[African American (U.S. Census)|African American]], 0.8% [[Asian (U.S. Census)|Asian]], 0.4% [[Native American (U.S. Census)|Native American]], 3.4% from [[Race and ethnicity in the United States census|other races]], and 5.8% from two or more races. Ethnically, the population was 8.3% [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race.

{{Stack|[[Image:USA Jefferson County, Wisconsin age pyramid.svg|thumb|left|2000 Census Age Pyramid for Jefferson County]]}}

As of the [[census]]<ref name="GR8">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=May 14, 2011|title=U.S. Census website}}</ref> of 2010, there were 83,686 people, 32,117 households, and 21,872 families residing in the county. The [[population density]] was {{convert|133|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. There were 30,092 housing units at an average density of {{convert|54|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The county's racial makeup was 96.34% [[Race (United States Census)|White]], 0.28% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.34% [[Race (United States Census)|Native American]], 0.45% [[Race (United States Census)|Asian]], 0.02% [[Race (United States Census)|Pacific Islander]], 1.65% from [[Race (United States Census)|other races]], and 0.93% from two or more races. 4.09% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|Latino]] of any race. 55.1% were of [[German people|German]], 6.1% [[norwegian people|Norwegian]], 6.0% [[Irish people|Irish]] and 5.1% [[United States|American]] ancestry.

There were 28,205 households, out of which 33.20% had children under the age of 18 living with them, 58.50% were [[Marriage|married couples]] living together, 8.20% had a female householder with no husband present, and 29.50% were non-families. 23.60% of all households were made up of individuals, and 9.60% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.02.

In the county, the population was spread out, with 25.20% under the age of 18, 8.50% from 18 to 24, 30.40% from 25 to 44, 23.20% from 45 to 64, and 12.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.40 males. For every 100 females age 18 and over, there were 96.80 males.

In 2017, there were 861 births, giving a general fertility rate of 53.7 births per 1000 women aged 15–44, the eleventh lowest rate out of all 72 Wisconsin counties.<ref>{{Cite web |url=https://www.dhs.wisconsin.gov/publication/p01161-2019-tb.xlsx |title=Annual Wisconsin Birth and Infant Mortality Report, 2017 P-01161-19 (June 2019): Detailed Tables |access-date=June 19, 2019 |archive-date=June 19, 2019 |archive-url=https://web.archive.org/web/20190619175940/https://www.dhs.wisconsin.gov/publication/p01161-2019-tb.xlsx |url-status=dead }}</ref>

The [[Dwight Foster Public Library]], which serves as the resource library for the county,<ref>{{cite web|title=Jefferson County Library Service|url=http://jeffersoncountylibraryservice.wordpress.com|access-date=April 24, 2012|archive-url=https://web.archive.org/web/20120517070830/http://jeffersoncountylibraryservice.wordpress.com/|archive-date=May 17, 2012|url-status=dead}}</ref> had a total service population of 19,095 in 2010.<ref>{{cite web|title=Wisconsin Public Library Service Data, 2010|url=http://dpi.wi.gov/pld/pdf/10publib.pdf|publisher=Department of Public Instruction|url-status=dead|archive-url=https://web.archive.org/web/20120306202912/http://dpi.wi.gov/pld/pdf/10publib.pdf|archive-date=March 6, 2012}}</ref> It is a member of the [[Bridges Library System]].