Johnson County is a county located in the U.S. state of Arkansas. As of the 2010 census, the population was 25,540. The county seat is Clarksville. Johnson County is Arkansas's 30th county, formed on November 16, 1833, from a portion of Pope County and named for Benjamin Johnson, a Territorial Judge. It is an alcohol prohibition or dry county.
The Ada Mills Bridge links the Arkansas River between Johnson and Logan counties. It is named for Ada Mills, a former Republican political activist who lobbied for the structure for forty years before its completion.
The notorious bandit Bill Doolin, the founder of the Wild Bunch, was born in Johnson County in 1858 and shot to death on capture in Oklahoma in 1896.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (3.4%) is water.
Major highways
25px Interstate 40
25px U.S. Route 64
25px Arkansas Highway 21
25px Arkansas Highway 103
25px Arkansas Highway 109
25px Arkansas Highway 123
Adjacent counties
Newton County (north)
Pope County (east)
Logan County (south)
Franklin County (west)
Madison County (northwest)
National protected area
Ozark National Forest (part)
Demographics
thumb|Age pyramid Johnson County]]
2000 census
As of the 2000 census, there were 22,781 people, 8,738 households, and 6,238 families residing in the county. The population density was 34 people per square mile (13/km2). There were 9,926 housing units at an average density of 15 per square mile (6/km2). The racial makeup of the county was 93.69% White, 1.37% Black or African American, 0.62% Native American, 0.25% Asian, 0.01% Pacific Islander, 2.62% from other races, and 1.43% from two or more races. 6.70% of the population were Hispanic or Latino of any race.
There were 8,738 households, out of which 32.40% had children under the age of 18 living with them, 58.10% were married couples living together, 9.50% had a female householder with no husband present, and 28.60% were non-families. 24.60% of all households were made up of individuals, and 11.60% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.01.
In the county, the population was spread out, with 25.20% under the age of 18, 9.70% from 18 to 24, 27.60% from 25 to 44, 22.70% from 45 to 64, and 14.80% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 99.00 males. For every 100 females age 18 and over, there were 95.40 males.
The median income for a household in the county was $27,910, and the median income for a family was $33,630. Males had a median income of $25,779 versus $19,924 for females. The per capita income for the county was $15,097. About 12.90% of families and 16.40% of the population were below the poverty line, including 19.60% of those under age 18 and 15.30% of those age 65 or over.
2020 census
As of the 2020 United States census, there were 25,749 people, 9,682 households, and 6,650 families residing in the county.
Racial composition
Government
Politics
Over the past few election cycles Johnson County has trended heavily towards the GOP. The last Democrat to carry this county was Arkansas native Bill Clinton in 1996.
Cities
Clarksville (county seat)
Coal Hill
Hartman
Knoxville
Lamar
Unincorporated communities
Gillian Settlement
Hickeytown
Pittsburg
Oark
Ozone
Hunt
Harmony
Census-designated place
Hagarville
Townships
Batson
Dickerson-Hill
Grant (Coal Hill)
Hickey
Horsehead
Howell (most of Knoxville)
Lee
Low Gap
McKennon
Mulberry
Perry (CDP Hagarville)
Pittsburg (most of Lamar, small part of Knoxville)
Prairie (small part of Clarksville)
Red Lick
Sherman
Spadra (most of Clarksville, small part of Lamar)
Stonewall
Ward (Hartman)
