Editing Clarion, Iowa (section)

==Demographics==
{{Historical populations
|type= USA
|align= left
|width= 20%
|state= Iowa
|shading= 
|percentages= 
|1870|37
|1880|147
|1890|744
|1900|1475
|1910|2065
|1920|2826
|1930|2578
|1940|2971
|1950|3150
|1960|3232
|1970|2972
|1980|3060
|1990|2703
|2000|2968
|2010|2850
|2020|2810
|source={{center|U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|accessdate=June 4, 2015}}</ref><ref name=cen2020/>}}|footnote=Source: {{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|title=U.S. Census website|access-date=2020-03-29}}
}}
[[File:ClarionIowaPopPlot.png|thumb|left|alt=The population of Clarion, Iowa from US census data|The population of Clarion, Iowa from US census data]]

===2020 census===
As of the [[United States census|census]] of 2020,<ref>{{cite web |title=2020 Census |url=https://www.census.gov/programs-surveys/decennial-census/decade/2020/2020-census-main.html |publisher=United States Census Bureau}}</ref> there were 2,810 people, 1,153 households, and 720 families residing in the city. The [[population density]] was 836.5 inhabitants per square mile (323.0/km<sup>2</sup>). There were 1,327 housing units at an average density of 395.0 per square mile (152.5/km<sup>2</sup>). The [[Race and ethnicity in the United States census|racial]] makeup of the city was 75.1% [[White Americans|White]], 0.2% [[African Americans|Black or African American]], 0.9% [[Native Americans in the United States|Native American]], 1.1% [[Asian Americans|Asian]], 0.1% [[Pacific Islander Americans|Pacific Islander]], 16.5% from other races and 6.1% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] persons of any race comprised 26.2% of the population.

Of the 1,153 households, 30.4% of which had children under the age of 18 living with them, 47.5% were [[Marriage|married couples]] living together, 4.5% were cohabitating couples, 28.9% had a female householder with no spouse or partner present and 19.1% had a male householder with no spouse or partner present. 37.6% of all households were non-families. 33.1% of all households were made up of individuals, 18.2% had someone living alone who was 65 years old or older.

The median age in the city was 39.1 years. 28.2% of the residents were under the age of 20; 4.6% were between the ages of 20 and 24; 24.1% were from 25 and 44; 23.0% were from 45 and 64; and 20.0% were 65 years of age or older. The gender makeup of the city was 49.4% male and 50.6% female.

===2010 census===
As of the [[census]]<ref name ="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|accessdate=2012-05-11}}</ref> of 2010, there were 2,850 people, 1,185 households, and 752 families residing in the city. The [[population density]] was {{convert|874.2|PD/sqmi|PD/km2|1}}. There were 1,346 housing units at an average density of {{convert|412.9|/sqmi|/km2|1}}. The racial makeup of the city was 91.9% [[White (U.S. Census)|White]], 0.5% [[African American (U.S. Census)|African American]], 0.3% [[Native American (U.S. Census)|Native American]], 0.5% [[Asian (U.S. Census)|Asian]], 0.1% [[Race (U.S. Census)|Pacific Islander]], 5.0% from [[Race (U.S. Census)|other races]], and 1.8% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 15.9% of the population.

There were 1,185 households, of which 30.5% had children under the age of 18 living with them, 49.9% were [[Marriage|married couples]] living together, 9.3% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 36.5% were non-families. 32.2% of all households were made up of individuals, and 18.2% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.94.

The median age in the city was 41.3 years. 24.8% of residents were under the age of 18; 7.1% were between the ages of 18 and 24; 22.5% were from 25 to 44; 24.9% were from 45 to 64; and 20.7% were 65 years of age or older. The gender makeup of the city was 48.8% male and 51.2% female.

===2000 census===
As of the [[census]]<ref name="GR2">{{cite web |url=https://www.census.gov |publisher=[[United States Census Bureau]] |accessdate=2008-01-31 |title=U.S. Census website }}</ref> of 2000, there were 2,968 people, 1,255 households, and 786 families residing in the city. The population density was {{convert|1,081.6|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 1,355 housing units at an average density of {{convert|493.8|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the city was 93.67% [[White (U.S. Census)|White]], 0.20% [[African American (U.S. Census)|African American]], 0.24% [[Native American (U.S. Census)|Native American]], 0.13% [[Asian (U.S. Census)|Asian]], 5.53% from [[Race (United States Census)|other races]], and 0.24% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 9.80% of the population.

There were 1,255 households, out of which 27.5% had children under the age of 18 living with them, 53.5% were [[Marriage|married couples]] living together, 6.4% had a female householder with no husband present, and 37.3% were non-families. 33.1% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.89.

Age spread: 23.6% under the age of 18, 7.2% from 18 to 24, 24.1% from 25 to 44, 21.7% from 45 to 64, and 23.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 90.1 males. For every 100 females age 18 and over, there were 86.7 males.

The median income for a household in the city was $37,026, and the median income for a family was $47,083. Males had a median income of $28,281 versus $23,077 for females. The [[per capita income]] for the city was $18,431. About 5.3% of families and 9.9% of the population were below the [[poverty line]], including 12.4% of those under age 18 and 7.2% of those age 65 or over.

===Religion===
{{unsourced|section|date=May 2025}}
There are several churches in Clarion including First Methodist Church, First Lutheran Church, St. John's Catholic Church, Clarion Church of Christ, United Presbyterian Church, United Church of Christ Congregational, The Dwelling Place, and the Lighthouse Church of the Nazarene. First Lutheran Church shares a pastor with the First Lutheran Church in Dows. St. John's Catholic Church is part of the Holy Family Cluster, which includes catholic churches in Clarion, Eagle Grove, and Belmond. Two churches are located in Holmes, an unincorporated community five miles west of Clarion, including Holmes Evangelical Lutheran Church and Holmes Baptist Church. Immanuel Lutheran Church ([[Lutheran Church–Missouri Synod]]) is located 6 miles east of Clarion.