Union County, Arkansas

Union County is a located in the  of. As of 2000, the population was 45,629. The is. The county was formed on, and named in recognition of the citizens' petition for a new county, stating that they were petitioning "in the spirit of Union and Unity".

Geography
According to the, the county has a total area of 2,733 (1,055 ), making it the largest county in the state by land area. 2,691 km² (1,039 sq mi) of it is land and 42 km² (16 sq mi) of it (1.55%) is water. Union County, along with Columbia County, has the largest reserve in the.

Adjacent counties

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Union County, Arkansas is one of the few counties in the United States to border as many as 8 counties.

Also, Union County, Arkansas, is one of the few counties in the United States to border its namesake in another state--in this case, Union Parish, Louisiana.

Demographics
As of the of 2000, there were 45,629 people, 17,989 households, and 12,646 families residing in the county. The was 17/km² (44/sq mi). There were 20,676 housing units at an average density of 8/km² (20/sq mi). The racial makeup of the county was 66.15%, 31.97% or , 0.24% , 0.40% , 0.01% , 0.46% from , and 0.77% from two or more races. 1.14% of the population were or  of any race.

There were 17,989 households out of which 32.20% had children under the age of 18 living with them, 51.30% were living together, 15.20% had a female householder with no husband present, and 29.70% were non-families. 26.90% of all households were made up of individuals and 12.10% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.00.

In the county the population was spread out with 25.90% under the age of 18, 8.30% from 18 to 24, 27.00% from 25 to 44, 22.70% from 45 to 64, and 16.10% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 91.60 males. For every 100 females age 18 and over, there were 86.00 males.

The median income for a household in the county was $29,809, and the median income for a family was $36,805. Males had a median income of $31,868 versus $19,740 for females. The for the county was $16,063. About 14.70% of families and 18.70% of the population were below the, including 25.80% of those under age 18 and 14.30% of those age 65 or over.