Editing Pierce County, North Dakota (section)

==Demographics==
{{US Census population
|1890= 905
|1900= 4765
|1910= 9740
|1920= 9283
|1930= 9074
|1940= 9208
|1950= 8326
|1960= 7394
|1970= 6323
|1980= 6166
|1990= 5052
|2000= 4675
|2010= 4357
|2020= 3990
|estyear=2022
|estimate=3942
|estref=<ref name="USCensusEst2022">{{cite web|url=https://www.census.gov/data/tables/time-series/demo/popest/2020s-counties-total.html|title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2022|access-date=April 5, 2023}}</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=February 1, 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=February 1, 2015}}</ref> 1900-1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/nd190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|editor-last=Forstall|editor-first=Richard L.|date=April 20, 1995|access-date=February 1, 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://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|date=April 2, 2001|access-date=February 1, 2015}}</ref> 2010-2020<ref name="QF" />
}}

===2020 census===
As of the [[census]] of 2020, there were 3,990 people.

===2010 census===
As of the [[census]] of 2010, there were 4,357 people, 1,835 households, and 1,145 families in the county. The population density was {{convert|4.28|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. There were 2,199 housing units at an average density of {{convert|2.16|/mi2|/km2|adj=pre|units&nbsp;}}. The racial makeup of the county was 94.1% white, 3.9% American Indian, 0.5% black or African American, 0.1% Asian, 0.7% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. In terms of ancestry, 52.3% were [[Germans|German]], 34.5% were [[Norwegians|Norwegian]], 5.5% were [[Irish people|Irish]], and 2.0% were [[Americans|American]].

Of the 1,835 households, 24.5% had children under the age of 18 living with them, 52.8% were married couples living together, 5.9% had a female householder with no husband present, 37.6% were non-families, and 34.3% of all households were made up of individuals. The average household size was 2.23 and the average family size was 2.86. The median age was 46.9 years.

The median income for a household in the county was $37,091 and the median income for a family was $55,304. Males had a median income of $39,511 versus $21,811 for females. The per capita income for the county was $18,575. About 6.4% of families and 12.9% of the population were below the [[poverty line]], including 11.2% of those under age 18 and 19.2% of those age 65 or over.

===Population by decade===
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  bar:1960 text:1960
  bar:1970 text:1970
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  bar:1990 text:1990
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  bar:1930 from: 0 till:9074
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  bar:1970 from: 0 till:6323
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