Clarion is famous as the birthplace of the four-leaf clover emblem used by the 4-H Clubs of America.
Clarion is located at 42°43'52" North, 93°43'52" West (42.731112, -93.731095)1.
As of the census2 of 2000, there are 2,968 people, 1,255 households, and 786 families residing in the city. The population density is 418.2/km² (1,081.6/mi²). There are 1,355 housing units at an average density of 190.9/km² (493.8/mi²). The racial makeup of the city is 93.67% White, 0.20% African American, 0.24% Native American, 0.13% Asian, 0.00% Pacific Islander, 5.53% from other races, and 0.24% from two or more races. 9.80% of the population are Hispanic or Latino of any race.
There are 1,255 households out of which 27.5% have children under the age of 18 living with them, 53.5% are married couples living together, 6.4% have a female householder with no husband present, and 37.3% are non-families. 33.1% of all households are made up of individuals and 19.0% have someone living alone who is 65 years of age or older. The average household size is 2.29 and the average family size is 2.89.
In the city the population is spread out with 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 are 65 years of age or older. The median age is 42 years. For every 100 females there are 90.1 males. For every 100 females age 18 and over, there are 86.7 males.
The median income for a household in the city is $37,026, and the median income for a family is $47,083. Males have a median income of $28,281 versus $23,077 for females. The per capita income for the city is $18,431. 9.9% of the population and 5.3% of families are below the poverty line. Out of the total population, 12.4% of those under the age of 18 and 7.2% of those 65 and older are living below the poverty line.