| Official Name: | Oak Grove, Arkansas |
| Settlement Type: | Town |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arkansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Carroll |
| Leader Title: | Mayor |
| Leader Name: | Robert Fairweather [1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 7.15 |
| Area Land Km2: | 7.15 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 2.76 |
| Area Land Sq Mi: | 2.76 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 386 |
| Population Density Km2: | 54.01 |
| Population Density Sq Mi: | 139.86 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1322 |
| Coordinates: | 36.4639°N -93.4303°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 72660 |
| Area Code: | 870 |
| Blank Name: | FIPS code |
| Blank Info: | 05-50810 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2407016 |
| Website: | http://oakgrovear.com/ |
| Unit Pref: | Imperial |
Oak Grove is a town in Carroll County, Arkansas, United States. The population was 386 at the 2020 census.[3]
According to the United States Census Bureau, the town has a total area of 6.6sqkm, all land.[4]
As of the census[5] of 2000, there were 376 people, 145 households, and 108 families residing in the town. The population density was 56.5/km2. There were 171 housing units at an average density of 25.7/km2. The racial makeup of the town was 96.28% White, 1.60% Native American, 0.53% Asian, and 1.60% from two or more races.
There were 145 households, out of which 37.2% had children under the age of 18 living with them, 58.6% were married couples living together, 6.2% had a female householder with no husband present, and 25.5% were non-families. 24.1% of all households were made up of individuals, and 13.1% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.06.
In the town, the population was spread out, with 28.5% under the age of 18, 9.8% from 18 to 24, 22.3% from 25 to 44, 25.3% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 89.9 males. For every 100 females age 18 and over, there were 92.1 males.
The median income for a household in the town was $25,625, and the median income for a family was $28,750. Males had a median income of $24,444 versus $18,958 for females. The per capita income for the town was $15,364. About 13.0% of families and 13.9% of the population were below the poverty line, including 20.2% of those under age 18 and none of those age 65 or over.